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Real Time Clock IC Clocks

Last Updated: November 6, 2024 Reviewed by: Jon Lowy, consulting engineer

Description

A Real Time Clock (RTC) is a digital clock integrated circuit (IC) designed to keep accurate track of time even when the main power supply is turned off or the device is in low power mode. RTCs are composed of a controller, an oscillator, and an embedded quartz crystal resonator. These components work together to provide precise timekeeping functions, which include maintaining the current time, date, and other time-related data.

Working Principle

The RTC operates by using a quartz crystal oscillator to generate a stable time base. This oscillator typically runs at a frequency of 32.768 kHz. The controller within the RTC uses this frequency to increment time registers, which store the current time and date. These registers are periodically updated and stored in RAM memory. The RTC also includes a power switch function that allows it to switch to a battery or another low power backup source when the main power is lost. This ensures continuous timekeeping without the need for the user to reset the time and date every time the device is powered off.

Applications

RTCs are used in a wide range of applications where accurate timekeeping is critical. These include electronics, medical devices, industrial products, smart speakers, utility meters, security cameras, healthcare devices, and autonomous vehicles. In these applications, RTCs provide essential functions such as alarms, timers, interrupt functions, and power-saving features. They are particularly valuable in scenarios where power savings and backup timekeeping are essential.

Advantages over other IC Clocks

RTCs offer several advantages over other IC clocks. One of the primary benefits is their ability to maintain accurate timekeeping even when the main power supply is turned off, thanks to their low power consumption and backup power capabilities. This makes them ideal for portable and small electronic devices. Additionally, RTCs are engineered as all-in-one devices, which simplifies integration into new designs and accelerates time to market. They also provide specialized calendar and timer functions, and their precise temperature sensors and temperature-compensated circuits ensure high clock accuracy.

Limitations

While RTCs offer numerous benefits, they also have some limitations. The accuracy of an RTC is largely dependent on the quality of the quartz crystal oscillator used. Variations in temperature can affect the oscillator's frequency, leading to timekeeping errors. Additionally, the need for a backup power source, such as a battery, can add to the overall cost and complexity of the device. In some cases, the basic timing functions provided by embedded RTCs in microcontroller units (MCUs) and system on chips (SoCs) may be sufficient, making standalone RTCs unnecessary.

Considerations

When selecting an RTC for a project, engineers should consider factors such as the required accuracy, power consumption, and the availability of backup power sources. The specific application and its timing requirements will also play a crucial role in determining whether a standalone RTC or an embedded RTC within an MCU or SoC is the best choice. Additionally, the operating environment, including temperature variations, should be taken into account to ensure reliable and accurate timekeeping.

294 Results
BQ32002D [BQ32002D from Texas Instruments High-Performance Analog]
from Rochester Electronics

BQ32002 Real-Time Clock (RTC) [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOIC
real-time clock for CAN systems -- CR3020
from ifm electronic gmbh

Compact design in cube relay housing. High-performance CAN interface for various communication tasks. Integrated alarm output. Robust design for use in mobile machines. Easy integration into the application program with CODESYS function blocks [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 8 to 32
Real Time Clocks -- 1337ACSRI [1337ACSRI from Renesas Electronics Corporation]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C 16-SOIC (0.295", 7.50mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: Surface Mount; SOIC; 16-SOIC (0.295\", 7.50mm Width)
  • Operating Temperature: -40 to 85
Real Time Clocks -- 114-RX-4035SAAC3PURESNTR-ND [RX-4035SAAC3 PURE SN from Epson Electronics America, Inc.]
from DigiKey

IC RTC CLK/CALENDAR SPI 14SOP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.4 to 5.5
  • Package Type: Surface Mount; SOIC; "14-SOIC (0.197"", 5.00mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - 1337GDCGI -- 743473-1337GDCGI [1337GDCGI from Integrated Device Technology]
from Win Source Electronics

Manufacturer: IDT, Integrated Device Technology Inc. Win Source Part Number: 743473-1337GDCGI. Manufacturer Homepage: www.idt.com. Reference case: SOP8. Reference Date Code: 1123+. Popularity: Low. Fake Threat In the Open Market: 68 pct. Supply and Demand Status: Limited [See More]

  • Device Type: Real Time Clock
BQ32000 Serial RTC with Battery Backup and Trickle Charge -- BQ32000D
from Texas Instruments

Serial RTC with Battery Backup and Trickle Charge 8-SOIC -40 to 85 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC
  • Features / Standards: RoHS
RTC -- ECS-RTC-3225-5699HS
from ECS Inc. International

The ECS-RTC-3225-5699HS Real Time Clock Module (I²C-Bus)with built in 32.768 kHz TCXO. It supports calendar (year, month, day, hour, minute, second), clock and timer functions [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount
  • Bus Interface: I2C
  • Operating Temperature: -40 to 85
RTC/Clock Chip >> Clock / Timing - Application Specific -- M4T32-BR12SH6 [M4T32-BR12SH6 from STMicroelectronics]
from LCSC Electronics Technology (HK) Limited

SOIC-28 Clock / Timing - Application Specific ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOIC
Integrated Circuits -- BQ32000D
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR I2C 8-SOIC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 3.6
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- 1337ACSRI [1337ACSRI from Renesas Electronics Corporation]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC 16-SOIC (0.295 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC
BQ4285EP
from Rochester Electronics

Real Time Clock, Volatile, 1 Timer(s), PDIP24 [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: DIP
Real Time Clocks -- 1337AGCSRGI [1337AGCSRGI from Renesas Electronics Corporation]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 16-SOIC (0.295", 7.50mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: Surface Mount; SOIC; 16-SOIC (0.295\", 7.50mm Width)
  • Operating Temperature: -40 to 85
Real Time Clocks -- 114-RX-4571LCB0PURESNTR-ND [RX-4571LCB0 PURE SN from Epson Electronics America, Inc.]
from DigiKey

RX-4571LC:B0 RTC {SN-AG OR SN} V [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.6 to 5.5
  • Package Type: Surface Mount; "12-TFSOJ (0.094"", 2.40mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - 1339-31DVGI -- 853947-1339-31DVGI [1339-31DVGI from Renesas Electronics Corporation]
from Win Source Electronics

Manufacturer: Renesas Electronics America. Win Source Part Number: 853947-1339-31DVGI. Features: Real Time Clock (RTC) IC. Package: Tube. Family Name: IDT1339. Categories: Integrated Circuits (ICs). ECCN: EAR99. Popularity: Medium. Fake Threat In the Open Market: 77 pct. Supply and Demand Status:... [See More]

  • Device Type: Real Time Clock
BQ32002 Real-Time Clock (RTC) -- BQ32002D
from Texas Instruments

Real-Time Clock (RTC) 8-SOIC -40 to 85 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC
  • Features / Standards: RoHS
RTC -- ECS-RTC-SOP8-5101A
from ECS Inc. International

The ECS-RTC-SOP8-5101A Low Cost Real Time Clock Module (I²C-Bus).Provides calendar (year, month, day, hour, minute, second), clock and timer functions based on external 32.768 khZ crystal. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount
  • Bus Interface: I2C
  • Operating Temperature: -40 to 85
RTC/Clock Chip >> Clock / Timing - Application Specific -- PCF85063TP/1Z [PCF85063TP/1Z from NXP Semiconductors]
from LCSC Electronics Technology (HK) Limited

VSON-8-EP(2x3) Clock / Timing - Application Specific ROHS [See More]

  • Device Type: Real Time Clock
  • Frequency: 0.4000
  • Supply Voltage: 0.9000 to 5.5
  • Operating Temperature: -40 to 85
Integrated Circuits -- BQ32000DR
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR I2C 8-SOIC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 3.6
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- 1337AGCSRGI [1337AGCSRGI from Renesas Electronics Corporation]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 16-SOIC (0.295 [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: I2C
  • Operating Temperature: -40 to 85
BQ4285LS [BQ4285LS from Texas Instruments High-Performance Analog]
from Rochester Electronics

Real Time Clock, Volatile, 1 Timer(s), PDSO24 [See More]

  • Device Type: Real Time Clock
  • Package Type: SOP
Real Time Clocks -- 1337AGDCGI [1337AGDCGI from Renesas Electronics Corporation]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: Surface Mount; SOIC; 8-SOIC (0.154\", 3.90mm Width)
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- 1337AGCSRGI [1337AGCSRGI from Renesas Electronics Corporation]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 16SOIC [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 1337DVGI8-ND [1337DVGI8 from Renesas Electronics Corporation]
from DigiKey

"Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118"", 3.00mm Width)" [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: Surface Mount; TSSOP; "8-TSSOP, 8-MSOP (0.118"", 3.00mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - 255 -- 1131565-255 [255 from Adafruit Industries]
from Win Source Electronics

Manufacturer: Adafruit Industries LLC. Storage Condition: Dry storage cabinet & Humidity protection package. Win Source Part Number: 1131565-255. Categories: Clock/Timing - Real Time Clocks. Popularity: Medium. Fake Threat In the Open Market: 36 pct. Supply and Demand Status: Limited. RoHS:... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40
  • Supply Voltage: 2.3 to 5.5
  • Features / Standards: RoHS
BQ3285 RTC IC with 114x8 NVSRAM -- BQ3285P-SB2
from Texas Instruments

RTC IC with 114x8 NVSRAM 24-PDIP 0 to 70 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: 0.0 to 70
  • Package Type: PDIP,SOIC
  • Features / Standards: RoHS
RTC -- RTC-3225-5609
from ECS Inc. International

Low Power Consumption I ²C RTC 3.2 x 2.5 x 1.0 mm (lwh) [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount
  • Bus Interface: I2C
  • Features / Standards: RoHS
RTC/Clock Chip >> Real-time Clocks (RTC) -- AiP8563 [AiP8563 from WUXI i-CORE Electronics Co., Ltd]
from LCSC Electronics Technology (HK) Limited

I2C SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Package Type: SOP
  • Bus Interface: I2C; I2C
  • Supply Voltage: 1 to 5.5
Integrated Circuits -- BQ32002DR
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR I2C 8-SOIC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 3.6
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- 1337AGDCGI [1337AGDCGI from Renesas Electronics Corporation]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 8-SOIC (0.154 [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: I2C
  • Operating Temperature: -40 to 85
BQ4285S-SB2 [BQ4285S-SB2 from Texas Instruments High-Performance Analog]
from Rochester Electronics

Real Time Clock, Non-Volatile, 1 Timer(s), PDSO24 [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOIC
Real Time Clocks -- 1337AGDVGI [1337AGDVGI from Renesas Electronics Corporation]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: Surface Mount; SSOP; 8-TSSOP, 8-MSOP (0.118\", 3.00mm Width)
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- 1337AGDCGI [1337AGDCGI from Renesas Electronics Corporation]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 8SOIC [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 1662-1600-1-ND [S-35391A-I8T1U from ABLIC Inc.]
from DigiKey

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-SMD, Flat Lead [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.3 to 5.5
  • Package Type: Surface Mount; 8-SMD, Flat Leads
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - AB-RTCMC-32.768KHZ-AIGZ-S7-T -- 849210-AB-RTCMC-32.768KHZ-AIGZ-S7-T [AB-RTCMC-32.768KHZ-AIGZ-S7-T from Abracon, LLC]
from Win Source Electronics

Manufacturer: Abracon LLC. Win Source Part Number: 849210-AB-RTCMC-32.768KHZ-AIGZ-S7-T. Features: Real Time Clock (RTC) IC. Package: Reel - TR. Categories: Integrated Circuits (ICs). ECCN: EAR99. Popularity: Medium. Fake Threat In the Open Market: 40 pct. Supply and Demand Status: Limited. Quantity... [See More]

  • Device Type: Real Time Clock
BQ3285E RTC IC with 242x8 NVSRAM Alarm Wake-up -- BQ3285EP
from Texas Instruments

RTC IC with 242x8 NVSRAM Alarm Wake-up 24-PDIP 0 to 70 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: 0.0 to 70
  • Package Type: PDIP,SOIC,SSOP
  • Features / Standards: RoHS
Integrated Circuits -- BQ3285P-SB2
from LIXINC Electronics Co., Limited

REAL TIME CLOCK, NON-VOLATILE, 1 [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: DIP; Through Hole
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- 1337AGDVGI [1337AGDVGI from Renesas Electronics Corporation]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118 [See More]

  • Device Type: Real Time Clock
  • Package Type: SOP; SSOP; TSSOP
  • Bus Interface: I2C
  • Operating Temperature: -40 to 85
BQ4832YMA-85 [BQ4832YMA-85 from Texas Instruments High-Performance Analog]
from Rochester Electronics

Real Time Clock, Non-Volatile, 0 Timer(s), PDMA32 [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: DIP
Real Time Clocks -- 1337GNLGI [1337GNLGI from Renesas Electronics Corporation]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 16-VFQFN Exposed Pad [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: Surface Mount; 16-VFQFN Exposed Pad
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- 1337AGDVGI [1337AGDVGI from Renesas Electronics Corporation]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 8TSSOP [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 1662-2116-1-ND [S-35390A-J8T1U from ABLIC Inc.]
from DigiKey

"Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-SOIC (0.154"", 3.90mm Width)" [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.3 to 5.5
  • Package Type: Surface Mount; SOIC; "8-SOIC (0.154"", 3.90mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - AB0805-T3 -- 007781-AB0805-T3 [AB0805-T3 from Abracon, LLC]
from Win Source Electronics

Manufacturer: Abracon LLC. Win Source Part Number: 007781-AB0805-T3. Packaging: Reel - TR. Type: Clock/Calendar. Features: Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer. Mounting: SMD (SMT). Memory Size: 256B. Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 1.5 V to 3.6 V. Current -... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.5 to 3.6
  • Package Type: Surface Mount; 16-QFN (3x3)
  • Operating Temperature: -40 to 85
BQ4845 RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning -- BQ4845P-A4
from Texas Instruments

RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning 28-PDIP 0 to 70 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: PDIP,SOIC
  • Features / Standards: RoHS
RTC/Clock Chip >> Real-time Clocks (RTC) -- BM8563EMA
from LCSC Electronics Technology (HK) Limited

MSOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
Integrated Circuits -- BQ3285S-SB2
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 24-SOP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- 1337CSRI8 [1337CSRI8 from Renesas Electronics Corporation]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC 16-SOIC (0.295 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC
BQ4852YMC-85 [BQ4852YMC-85 from Texas Instruments High-Performance Analog]
from Rochester Electronics

Real Time Clock, Non-Volatile, 0 Timer(s), PDMA36 [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: DIP
Real Time Clocks -- 1338C-18SRI [1338C-18SRI from Renesas Electronics Corporation]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar 56B I ²C, 2-Wire Serial 16-SOIC (0.295", 7.50mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3 to 5.5
  • Package Type: Surface Mount; SOIC; 16-SOIC (0.295\", 7.50mm Width)
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- 1337DCGI8 [1337DCGI8 from Renesas Electronics Corporation]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 8-SOIC [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: SOIC
  • Operating Temperature: -40 to 85
Real Time Clocks -- 1662-3197-1-ND [S-35390A-T8T1U from ABLIC Inc.]
from DigiKey

"Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-TSSOP (0.173"", 4.40mm Width)" [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.3 to 5.5
  • Package Type: Surface Mount; TSSOP; "8-TSSOP (0.173"", 4.40mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - AM0815AQ -- 768421-AM0815AQ [AM0815AQ from Ambiq Micro]
from Win Source Electronics

Manufacturer: Ambiq Micro, Inc. Win Source Part Number: 768421-AM0815AQ. Series: *. Packaging: Reel package. Package: 16-VFQFN Exposed Pad. Mounting: SMD. Categories: Integrated Circuits (ICs). Manufacturer Package: 16-QFN (3x3). Popularity: Medium. Fake Threat In the Open Market: 50 pct. Supply and... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount
DP8573A Real Time Clock (RTC) -- DP8573AV
from Texas Instruments

Real Time Clock (RTC) 28-PLCC -40 to 85 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: PLCC
RTC/Clock Chip >> Real-time Clocks (RTC) -- BM8563ESA
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP
Integrated Circuits -- BQ4285S-SB2
from LIXINC Electronics Co., Limited

REAL TIME CLOCK, NON-VOLATILE, 1 [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- 1337GNLGI [1337GNLGI from Renesas Electronics Corporation]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 16-VFQFN Exposed Pad [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Bus Interface: I2C
CDP68HC68T1E [CDP68HC68T1E from Renesas Electronics Corporation]
from Rochester Electronics

Serial Real-Time Clock with RAM and Power Sense/Control [See More]

  • Device Type: Real Time Clock
  • Package Type: DIP
Real Time Clocks -- AB-RTCMC-32.768KHZ-AIGZ-S7-T [AB-RTCMC-32.768KHZ-AIGZ-S7-T from Abracon, LLC]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-WCDFN [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1 to 4.4
  • Package Type: Surface Mount; 8-WCDFN
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- 1337GNLGI [1337GNLGI from Renesas Electronics Corporation]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 16QFN [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 1662-S-35190AH-T8T2UTR-ND [S-35190AH-T8T2U from ABLIC Inc.]
from DigiKey

LINEAR IC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.3 to 5.5
  • Package Type: Surface Mount; TSSOP; "8-TSSOP (0.173"", 4.40mm Width)"
  • Operating Temperature: -40 to 105
Clock/Timing - Clock/Timing - Real Time Clocks - BQ32000D -- 1154305-BQ32000D [BQ32000D from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 1154305-BQ32000D. Manufacturer Homepage: www.ti.com. Popularity: Medium. Fake Threat In the Open Market: 57 pct. Supply and Demand Status: Limited [See More]

  • Device Type: Real Time Clock
Integrated Circuits -- BQ4285S-SB2TR
from LIXINC Electronics Co., Limited

REAL TIME CLOCK, NON-VOLATILE, 1 [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- 1338C-18SRI [1338C-18SRI from Renesas Electronics Corporation]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar 56B IC, 2-Wire Serial 16-SOIC (0.295 [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: I2C
  • Operating Temperature: -40 to 85
CDP68HC68T1M [CDP68HC68T1M from Renesas Electronics Corporation]
from Rochester Electronics

Serial Real-Time Clock with RAM and Power Sense/Control [See More]

  • Device Type: Real Time Clock
  • Package Type: SOP
Real Time Clocks -- AB-RTCMC-32.768KHZ-B5GA-S3-T [AB-RTCMC-32.768KHZ-B5GA-S3-T from Abracon, LLC]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 10-SMD Module [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.2 to 5.5
  • Package Type: Surface Mount; 10-SMD Module
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- 1338C-18SRI [1338C-18SRI from Renesas Electronics Corporation]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 16-SOIC [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 175-MAX31342EWA+TCT-ND [MAX31342EWA+T from Analog Devices, Inc.]
from DigiKey

IC RTC CLK/CALENDAR I2C 8WLP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.6 to 3.6
  • Package Type: Surface Mount; 8-WFBGA, WLBGA
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ32000DR -- 081127-BQ32000DR [BQ32000DR from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 081127-BQ32000DR. Packaging: Reel - TR. Type: Clock/Calendar. Features: Leap Year, Square Wave Output, Trickle-Charger. Mounting: SMD (SMT). Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 1.4 V to 3.6 V. Current - Timekeeping (Max): 100... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.4 to 3.6
  • Package Type: Surface Mount; 8-SOIC
  • Operating Temperature: -40 to 85
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302+ [DS1302+ from Analog Devices, Inc.]
from LCSC Electronics Technology (HK) Limited

SPI DIP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Package Type: DIP
  • Bus Interface: SPI; SPI
  • Supply Voltage: 2 to 5.5
Integrated Circuits -- BQ4802LYDWR
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 28-SOIC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 3.6
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- A3024SO20A+ [A3024SO20A+ from EM Microelectronic - US, Inc.]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar 8B - 20-SOIC (0.295 [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC
CY14B256K-SP25XI [CY14B256K-SP25XI from Cypress Semiconductor Corp.]
from Rochester Electronics

CY14B256 - Real Time Clock, 1 Timer(s) PDSO48 [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP; SSOP
Real Time Clocks -- AB-RTCMC-32.768KHZ-IBO5-S3-T [AB-RTCMC-32.768KHZ-IBO5-S3-T from Abracon, LLC]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar 512B I ²C, 2-Wire Serial Module [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.5 to 3.6
  • Package Type: Surface Mount; Module
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-AIGZ-S7-T [AB-RTCMC-32.768KHZ-AIGZ-S7-T from Abracon, LLC]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 8CLCC [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 175-MAX31343ETAY+TCT-ND [MAX31343ETAY+T from Analog Devices, Inc.]
from DigiKey

ACCURATE/ROBUST RTC WITH INTEGRA [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.6 to 5.5
  • Package Type: Surface Mount; 8-VFBGA, WLBGA
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ32002D -- 1154306-BQ32002D [BQ32002D from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 1154306-BQ32002D. Manufacturer Homepage: www.ti.com. Popularity: Medium. Fake Threat In the Open Market: 47 pct. Supply and Demand Status: Limited [See More]

  • Device Type: Real Time Clock
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302CDRG [DS1302CDRG from HANSCHIP Semiconductor Co., Ltd.]
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP
Integrated Circuits -- BQ4802LYPWR
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 28-TSSOP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 3.6
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-AIGZ-S7-T [AB-RTCMC-32.768KHZ-AIGZ-S7-T from Abracon, LLC]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 8-WCDFN [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Bus Interface: I2C
DP8573AV [DP8573AV from Texas Instruments]
from Rochester Electronics

Real Time Clock, Volatile, 0 Timer(s), PQCC28 [See More]

  • Device Type: Real Time Clock
Real Time Clocks -- AB-RTCMC-32.768KHZ-ZIZE-S2-T [AB-RTCMC-32.768KHZ-ZIZE-S2-T from Abracon, LLC]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar SPI 10-SMD Module [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.1 to 5.5
  • Package Type: Surface Mount; 10-SMD Module
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-B5GA-S3-T [AB-RTCMC-32.768KHZ-B5GA-S3-T from Abracon, LLC]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C MODULE [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 20-ISL12008IB8Z-TCT-ND [ISL12008IB8Z-T from Renesas Electronics Corporation]
from DigiKey

IC RTC CLK/CALENDAR I2C 8SOIC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: Surface Mount; SOIC; "8-SOIC (0.154"", 3.90mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ32002DR -- 110356-BQ32002DR [BQ32002DR from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 110356-BQ32002DR. Packaging: Reel - TR. Type: Clock/Calendar. Features: Leap Year, Square Wave Output, Trickle-Charger. Mounting: SMD (SMT). Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 1.4 V to 3.6 V. Current - Timekeeping (Max): 65... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.4 to 3.6
  • Package Type: Surface Mount; 8-SOIC
  • Operating Temperature: -40 to 85
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302DTR(XBLW)
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2 to 5.5
  • Package Type: SOP
  • Features / Standards: RoHS
Integrated Circuits -- BQ4802YPW
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 28-TSSOP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-B5GA-S3-T [AB-RTCMC-32.768KHZ-B5GA-S3-T from Abracon, LLC]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 10-SMD Module [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Bus Interface: I2C
DS12885T [DS12885T from Maxim Integrated]
from Rochester Electronics

DS12885 Real-Time Clock [See More]

  • Device Type: Real Time Clock
Real Time Clocks -- AB-RTCMK-32.768KHZ-T [AB-RTCMK-32.768KHZ-T from Abracon, LLC]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-SMD Module [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.3 to 5.5
  • Package Type: Surface Mount; 8-SMD Module
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-IBO5-S3-T [AB-RTCMC-32.768KHZ-IBO5-S3-T from Abracon, LLC]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C MODULE [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 20-ISL12026AIVZ-TCT-ND [ISL12026AIVZ-T from Renesas Electronics Corporation]
from DigiKey

"Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-TSSOP (0.173"", 4.40mm Width)" [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: Surface Mount; TSSOP; "8-TSSOP (0.173"", 4.40mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285EP -- 1154308-BQ3285EP [BQ3285EP from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 1154308-BQ3285EP. Packaging: Tube. Type: Clock/Calendar. Mounting Style: Through Hole. Operating Temperature Range: 0 °C ~ 70 °C. Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output. Package: 24-DIP (0.600",... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.5 to 5.5
  • Package Type: DIP
  • Operating Temperature: 0.0 to 70
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302IDRG [DS1302IDRG from HANSCHIP Semiconductor Co., Ltd.]
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP
Integrated Circuits -- BQ4845S-A4G4
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 28-SOIC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.75 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-IBO5-S3-T [AB-RTCMC-32.768KHZ-IBO5-S3-T from Abracon, LLC]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar 512B IC, 2-Wire Serial Module [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Bus Interface: I2C
DS1337 [DS1337 from Maxim Integrated]
from Rochester Electronics

DS1337 I2C Serial Real-Time Clock [See More]

  • Device Type: Real Time Clock
  • Package Type: DIP; PDIP
  • Bus Interface: I2C
Real Time Clocks -- AB0801-T3 [AB0801-T3 from Abracon, LLC]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 16-VFQFN Exposed Pad [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.7 to 3.6
  • Package Type: Surface Mount; 16-VFQFN Exposed Pad
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-ZIZE-S2-T [AB-RTCMC-32.768KHZ-ZIZE-S2-T from Abracon, LLC]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR SPI MODULE [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 2129-NJU6355EM-ND [NJU6355EM from Nisshinbo Micro Devices Inc.]
from DigiKey

"Real Time Clock (RTC) IC Clock/Calendar 4-Wire Serial 8-SOIC (0.154"", 3.90mm Width)" [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; SOIC; "8-SOIC (0.154"", 3.90mm Width)"
  • Operating Temperature: -30 to 80
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285ESS -- 081298-BQ3285ESS [BQ3285ESS from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 081298-BQ3285ESS. Packaging: Reel - TR. Type: Clock/Calendar. Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output. Mounting: SMD (SMT). Memory Size: 242B. Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 2.5 V to 4 V. [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.5 to 5.5
  • Package Type: Surface Mount; 24-SSOP/QSOP
  • Operating Temperature: 0.0 to 70
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302N [DS1302N from Huagao Semiconductor Co., Ltd.]
from LCSC Electronics Technology (HK) Limited

DIP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: DIP
Integrated Circuits -- BQ4845S-A4NTRG4
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 28-SOIC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.75 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-ZIZE-S2-T [AB-RTCMC-32.768KHZ-ZIZE-S2-T from Abracon, LLC]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - SPI 10-SMD Module [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Bus Interface: SPI
DS1337U [DS1337U from Maxim Integrated]
from Rochester Electronics

DS1337 I2C Serial Real-Time Clock [See More]

  • Device Type: Real Time Clock
  • Package Type: SOP; SSOP
  • Bus Interface: I2C
Real Time Clocks -- BQ32000D [BQ32000D from Texas Instruments]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 3.6
  • Package Type: Surface Mount; SOIC; 8-SOIC (0.154\", 3.90mm Width)
  • Operating Temperature: -40 to 85
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AB0801-T3 [AB0801-T3 from Abracon, LLC]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 16QFN [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 2129-R2051S01-E2-FCT-ND [R2051S01-E2-F from Nisshinbo Micro Devices Inc.]
from DigiKey

"Real Time Clock (RTC) IC Clock/Calendar I ²C, 2-Wire Serial 16-LSSOP (0.173"", 4.40mm Width)" [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.34 to 5.5
  • Package Type: Surface Mount; "16-LSSOP (0.173"", 4.40mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285LDSS -- 011999-BQ3285LDSS [BQ3285LDSS from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 011999-BQ3285LDSS. Packaging: Reel - TR. Type: Clock/Calendar. Features: Alarm, Daylight Savings, NVSRAM. Mounting: SMD (SMT). Memory Size: 242B. Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 2.4 V to 4 V. Current - Timekeeping (Max):... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.4 to 5.5
  • Package Type: Surface Mount; 24-SSOP/QSOP
  • Operating Temperature: 0.0 to 70
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302Z [DS1302Z from JSMicro Semiconductor Co., Ltd.]
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP
Integrated Circuits -- BQ4845S-A4TR
from LIXINC Electronics Co., Limited

REAL TIME CLOCK, NON-VOLATILE, 1 [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.75 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- AB-RTCMK-32.768KHZ [AB-RTCMK-32.768KHZ from Abracon, LLC]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC 8-SMD Module [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Bus Interface: I2C
DS1339C-2 [DS1339C-2 from Maxim Integrated]
from Rochester Electronics

DS1339 I2C Serial Real-Time Clock [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: I2C
Real Time Clocks -- BQ32000D [BQ32000D from Texas Instruments]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AM0805AQ [AM0805AQ from Ambiq Micro]
from Shenzhen Shengyu Electronics Technology Limited

RTC ARTASIE I2C LO PWR 16QFN [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 2195-RV-8063-C8-32.768KHZ-20PPM-TA-QACT-ND [RV-8063-C8-32.768KHZ-20PPM-TA-QA from Micro Crystal AG]
from DigiKey

IC RTC CLK/CALENDAR SPI 8-SMT [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 0.9000 to 5.5
  • Package Type: Surface Mount; 8-WCDFN
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285LDSSTR -- 113171-BQ3285LDSSTR [BQ3285LDSSTR from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 113171-BQ3285LDSSTR. Packaging: Reel - TR. Type: Clock/Calendar. Features: Alarm, Daylight Savings, NVSRAM. Mounting: SMD (SMT). Memory Size: 242B. Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 2.4 V to 4 V. Current - Timekeeping (Max):... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.4 to 5.5
  • Package Type: Surface Mount; 24-SSOP/QSOP
  • Operating Temperature: 0.0 to 70
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302Z [DS1302Z from ShenZhen SlkorMicro Semicon Co., Ltd.]
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP
Integrated Circuits -- DP8570AV/NOPB
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 28-PLCC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AB-RTCMK-32.768KHZ-T [AB-RTCMK-32.768KHZ-T from Abracon, LLC]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 8-SMD Module [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Bus Interface: I2C
DS1375T [DS1375T from Maxim Integrated]
from Rochester Electronics

DS1375 2-Wire Digital Input Real Time Clock With Alarm [See More]

  • Device Type: Real Time Clock
Real Time Clocks -- BQ3285EP [BQ3285EP from Texas Instruments]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar 242B Parallel 24-DIP (0.600", 15.24mm) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: DIP; 24-DIP (0.600\", 15.24mm)
  • Operating Temperature: 0.0 to 70
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AM0815AQ [AM0815AQ from Ambiq Micro]
from Shenzhen Shengyu Electronics Technology Limited

RTC ARTASIE SPI LO PWR 16QFN [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 2195-RV-8263-C8-32.768KHZ-20PPM-TA-QACT-ND [RV-8263-C8-32.768KHZ-20PPM-TA-QA from Micro Crystal AG]
from DigiKey

IC RTC CLK/CALENDAR I2C 8-SMT [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 0.9000 to 5.5
  • Package Type: Surface Mount; 8-WCDFN
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285LDSSTRG4 -- 1154311-BQ3285LDSSTRG4 [BQ3285LDSSTRG4 from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 1154311-BQ3285LDSSTRG4. Manufacturer Homepage: www.ti.com. Popularity: Medium. Fake Threat In the Open Market: 39 pct. Supply and Demand Status: Limited [See More]

  • Device Type: Real Time Clock
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302Z+T&R [DS1302Z+T&R from Analog Devices, Inc.]
from LCSC Electronics Technology (HK) Limited

SPI SOIC-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: SPI; SPI
  • Supply Voltage: 2 to 5.5
Integrated Circuits -- DP8570AVX
from LIXINC Electronics Co., Limited

REAL TIME CLOCK, VOLATILE, 2 TIM [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AB0801-T3 [AB0801-T3 from Abracon, LLC]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 16-VFQFN Exposed Pad [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Bus Interface: I2C
DS1501W+ [DS1501W+ from Maxim Integrated]
from Rochester Electronics

DS1501 Y2K-Compliant Watchdog Real-Time Clocks [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: DIP; PDIP
Real Time Clocks -- BQ3285ES [BQ3285ES from Texas Instruments]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar 242B Parallel 24-SOIC (0.295", 7.50mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; SOIC; 24-SOIC (0.295\", 7.50mm Width)
  • Operating Temperature: 0.0 to 70
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AM1805AQ [AM1805AQ from Ambiq Micro]
from Shenzhen Shengyu Electronics Technology Limited

RTC ARTASIE I2C W/PWR MNGT 16QFN [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 2651-V3020SO8A+-ND [V3020SO8A+ from EM Microelectronic - US, Inc.]
from DigiKey

"Real Time Clock (RTC) IC Clock/Calendar 1B 3-Wire Serial 8-SOIC (0.154"", 3.90mm Width)" [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.2 to 5.5
  • Package Type: Surface Mount; SOIC; "8-SOIC (0.154"", 3.90mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285LFSS-A1 -- 012000-BQ3285LFSS-A1 [BQ3285LFSS-A1 from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 012000-BQ3285LFSS-A1. Packaging: Reel - TR. Type: Clock/Calendar. Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output. Mounting: SMD (SMT). Memory Size: 242B. Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 2.4 V to 4... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.4 to 5.5
  • Package Type: Surface Mount; 24-SSOP/QSOP
  • Operating Temperature: 0.0 to 70
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302ZM/TR [DS1302ZM/TR from Huagao Semiconductor Co., Ltd.]
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP
Integrated Circuits -- DP8570AVX/NOPB
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 28-PLCC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AS1801-BTDT [AS1801-BTDT from ams-OSRAM AG]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 8-UFDFN Exposed Pad [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
DS1501YE [DS1501YE from Maxim Integrated]
from Rochester Electronics

DS1501 Y2K-Compliant Watchdog Real-Time Clocks [See More]

  • Device Type: Real Time Clock
  • Package Type: SOP; SSOP
Real Time Clocks -- BQ3285ESS [BQ3285ESS from Texas Instruments]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar 242B Parallel 24-SSOP (0.154", 3.90mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; SSOP; 24-SSOP (0.154\", 3.90mm Width)
  • Operating Temperature: 0.0 to 70
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- AM1815AQ [AM1815AQ from Ambiq Micro]
from Shenzhen Shengyu Electronics Technology Limited

RTC ARTASIE SPI W/PWR MNGT 16QFN [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 31-PT7C43390LEXCT-ND [PT7C43390LEX from DIODES Incorporated]
from DigiKey

IC RTC CLK/CALENDAR I2C 8MSOP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.3 to 5.5
  • Package Type: Surface Mount; TSSOP; "8-TSSOP, 8-MSOP (0.118"", 3.00mm Width)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285LFSS-A1G4 -- 864531-BQ3285LFSS-A1G4 [BQ3285LFSS-A1G4 from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 864531-BQ3285LFSS-A1G4. Operating Temperature Range: 0 °C ~ 70 °C. Features: Real Time Clock (RTC) IC Clock/Calendar 242B Parallel 24-SSOP (0.154", 3.90mm Width). Package: Tube. Package: 24-SSOP (0.154", 3.90mm Width). Mounting:... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: 0.0 to 70
  • Package Type: Surface Mount; 24-SSOP
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302ZN [DS1302ZN from Huagao Semiconductor Co., Ltd.]
from LCSC Electronics Technology (HK) Limited

DIP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: DIP
Integrated Circuits -- DP8573AV/NOPB
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 28-PLCC [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AS1810-PTR [AS1810-PTR from ams-OSRAM AG]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C
DS1501YE+ [DS1501YE+ from Maxim Integrated]
from Rochester Electronics

DS1501 Y2K-Compliant Watchdog Real-Time Clocks [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP
Real Time Clocks -- BQ3285ESS [BQ3285ESS from Texas Instruments]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC Clock/Calendar 242B Parallel 24-SSOP (0.154", 3.90mm Width) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; SSOP; 24-SSOP (0.154\", 3.90mm Width)
  • Operating Temperature: 0.0 to 70
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- BQ32000D [BQ32000D from Texas Instruments]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR I2C 8SOIC [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 31-PT7C4363BQ1WEXCT-ND [PT7C4363BQ1WEX from DIODES Incorporated]
from DigiKey

"Real Time Clock (RTC) IC Clock/Calendar I ²C, SMBus 8-SOIC (0.154"", 3.90mm Width)" [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.3 to 5.5
  • Package Type: Surface Mount; SOIC; "8-SOIC (0.154"", 3.90mm Width)"
  • Operating Temperature: -40 to 125
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285LFSS-A1TRG4 -- 201362-BQ3285LFSS-A1TRG4 [BQ3285LFSS-A1TRG4 from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 201362-BQ3285LFSS-A1TRG4. Packaging: Reel - TR. Type: Clock/Calendar. Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output. Mounting: SMD (SMT). Memory Size: 242B. Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 2.4 V... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.4 to 5.5
  • Package Type: Surface Mount; 24-SSOP/QSOP
  • Operating Temperature: 0.0 to 70
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1302ZN+T&R [DS1302ZN+T&R from Analog Devices, Inc.]
from LCSC Electronics Technology (HK) Limited

SPI SOIC-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: SPI; SPI
  • Supply Voltage: 2 to 5.5
Integrated Circuits -- DP8573AVX
from LIXINC Electronics Co., Limited

REAL TIME CLOCK, VOLATILE, 0 TIM [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- BQ32000D [BQ32000D from Texas Instruments]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar - IC, 2-Wire Serial 8-SOIC (0.154 [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: I2C
  • Operating Temperature: -40 to 85
DS1678 [DS1678 from Maxim Integrated]
from Rochester Electronics

DS1678 Real-Time Event Recorder [See More]

  • Device Type: Real Time Clock
  • Package Type: DIP
Real Time Clocks -- BQ3285ESS-TR1 [BQ3285ESS-TR1 from Texas Instruments]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- BQ3285EP [BQ3285EP from Texas Instruments]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR PAR 24DIP [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: 0.0 to 70
  • Package Type: DIP; Through Hole
Real Time Clocks -- 505-DS1678+-ND [DS1678+ from Analog Devices, Inc.]
from DigiKey

IC RTC TIME EVENT REC I2C 8DIP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Through Hole; DIP; "8-DIP (0.300"", 7.62mm)"
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285LSS -- 1154313-BQ3285LSS [BQ3285LSS from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 1154313-BQ3285LSS. Manufacturer Homepage: www.ti.com. RoHS State: Request Verification. Popularity: Medium. Fake Threat In the Open Market: 52 pct. Supply and Demand Status: Limited [See More]

  • Device Type: Real Time Clock
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1307CDRG [DS1307CDRG from HANSCHIP Semiconductor Co., Ltd.]
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
  • Package Type: SOP
Integrated Circuits -- DP8573AVX/NOPB
from LIXINC Electronics Co., Limited

DP8573A REAL TIME CLOCK (RTC) [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: Surface Mount; Surface Mount
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- BQ3285EP [BQ3285EP from Texas Instruments]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar 242B Parallel 24-DIP (0.600 [See More]

  • Device Type: Real Time Clock
  • Package Type: DIP
  • Bus Interface: Parallel
  • Operating Temperature: 0.0 to 70
DS1685E-3 [DS1685E-3 from Maxim Integrated]
from Rochester Electronics

DS1685 5V Real-Time Clock [See More]

  • Device Type: Real Time Clock
  • Package Type: SOP; SSOP
Real Time Clocks -- BQ3285LCS [BQ3285LCS from Texas Instruments]
from Quarktwin Technology Ltd.

Real Time Clock (RTC) IC [See More]

  • Device Type: Real Time Clock
  • Features / Standards: RoHS
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- BQ3285ES [BQ3285ES from Texas Instruments]
from Shenzhen Shengyu Electronics Technology Limited

IC RTC CLK/CALENDAR PAR 24SOIC [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: 0.0 to 70
  • Package Type: Surface Mount; Surface Mount
Real Time Clocks -- 535-11930-1-ND [AB0815-T3 from Abracon, LLC]
from DigiKey

Real Time Clock (RTC) IC Clock/Calendar 256B SPI 16-VFQFN Exposed Pad [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.7 to 3.6
  • Package Type: Surface Mount; 16-VFQFN Exposed Pad
  • Operating Temperature: -40 to 85
Clock/Timing - Clock/Timing - Real Time Clocks - BQ3285P-SB2 -- 012001-BQ3285P-SB2 [BQ3285P-SB2 from Texas Instruments]
from Win Source Electronics

Manufacturer: Texas Instruments. Win Source Part Number: 012001-BQ3285P-SB2. Packaging: Tube/Rail. Type: Clock/Calendar. Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output. Mounting: Through Hole. Memory Size: 114B. Date Format: YY-MM-DD-dd. Voltage - Supply, Battery: 2.5 V to... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.5 to 5.5
  • Package Type: DIP; PDIP; 24-PDIP
  • Operating Temperature: 0.0 to 70
RTC/Clock Chip >> Real-time Clocks (RTC) -- DS1307DTR(XBLW)
from LCSC Electronics Technology (HK) Limited

SOP-8 Real-time Clocks (RTC) ROHS [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: SOP
  • Features / Standards: RoHS
Integrated Circuits -- DS12C887+
from LIXINC Electronics Co., Limited

IC RTC CLK/CALENDAR PAR 24-EDIP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: DIP; Through Hole
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- BQ3285ES [BQ3285ES from Texas Instruments]
from Nova Technology(HK) Co.,Ltd

Real Time Clock (RTC) IC Clock/Calendar 242B Parallel 24-SOIC (0.295 [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: Parallel
  • Operating Temperature: 0.0 to 70
CMOS Serial Real-Time Clock With RAM and Power Sense/Control -- CDP68HC68T1EZ
from Renesas Electronics Corporation

The CDP68HC68T1 Real-Time Clock provides a time/calendar function, a 32 byte static RAM, and a 3 wire Serial Peripheral Interface (SPI Bus). The primary function of the clock is to divide down a frequency input that can be supplied by the on-board oscillator in conjunction with an external crystal... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 6
  • Package Type: PDIP; SOIC
  • Features / Standards: Programmable
Battery-Backed I2C Real-Time Clock/Calendar with Pre-Programmed EUI-48™ MAC ID -- en551551
from Microchip Technology, Inc.

The MCP79401 general purpose I2CTM Compatible real-time clock/calendar (RTCC) is highly integrated with memory and advanced features normally found in higher priced devices. These features include a battery switchover circuit for backup power, a timestamp to log power failures and digital trimming... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['DICE', 'WAFER', 'MSOP', 'TDFN', 'TSSOP', 'SOIC']
Real Time Clock
from TT Semiconductor, Inc.

Provides Year, Month, Day, Weekday, Hours, Minutes and Seconds based on a 32.768 KHz Quartz Crystal. 1.8v to 5.5v Operation. Low Backup Current; Typical .65 µA. I ²C Bus Interface. Alarm and Timer Functions. 200 °C Operation. Ceramic SOIC Package. Production 3Q 2014 [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
  • Bus Interface: I2C
  • Supply Voltage: 1.8 to 5.5
±5ppm, I 2C Real-Time Clock -- DS3231M
from Maxim Integrated

The DS3231M is a low-cost, extremely accurate, I2C real-time clock (RTC). The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted. The integration of the microelectromechanical systems (MEMS) resonator enhances the long-term accuracy of... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.3 to 5.5
  • Package Type: Surface Mount; SOIC; SOIC(N), SOIC(W)
  • Operating Temperature: -45 to 85
Real Time Clock Backup Batteries -- EnerChip RTC CBC34123-M5C with SPI bus
from Cymbet Corporation

The EnerChip RTC CBC34123-M5C combines a Real-Time Clock (RTC) and calendar optimized for low power applications with an integrated rechargeable solid state backup battery and all power management functions. The EnerChip RTC ensures a seamless transition from main power to backup power in the event... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount
  • Bus Interface: SPI
  • Supply Voltage: 2.5 to 6
AB-557 -- AB-557-03-HCC-F-L-C-T
from Abracon, LLC

RoHS/RoHS II Compliant. Series: AB-557. Operating Temperature: -40 °C ~ 85 °C. Main Purpose: PCI Express (PCIe), Clock Generator. Output: HCSL, LVCMOS. Number of Circuits: 1. Ratio - Input:Output: 0:02. Differential - Input:Output: No/Yes. Frequency Maximum: 460 MHz. Voltage - Supply:... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.25 to 3.6
  • Package Type: QFN; 14-VFQFN Exposed Pad
  • Frequency: 460
Real Time Clock Parallel 8KByte 28-Pin SO -- M48T58Y-70MH1E [M48T58Y-70MH1E from STMicroelectronics, Inc.]
from Karl Kruse GmbH & Co. KG

Karl Kruse  is a worldwide leading franchised distributor (ISO: 9001-2008 certified). A service provider specializing in the supply and material management of electronic components, since 1951. We are an innovative company who is dedicated to collaborating with customers and partners to develop... [See More]

  • Device Type: Real Time Clock
Clock/Timing - Real Time Clocks -- 1337ACSRI
from Lingto Electronic Limited

TIMING REAL TIME CLOCK [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C
ITU-T G.8262 Synchronous Ethernet Jitter-Attenuating Clock Multiplier -- Si5328B-C-GM
from Silicon Labs

Description: The Si5328 is a jitter-attenuating precision clock multiplier for Synchronous Ethernet applications requiring sub 1 ps jitter performance and ultra-low loop bandwidth. When combined with a low-wander, lowjitter reference oscillator, the Si5328 meets all of the wander, MTIE, TDEV, and... [See More]

  • Device Type: Real Time Clock
  • Package Type: QFN
  • Bus Interface: CMOS; LVPECL; I2C; LVDS; SPI; CML, LVCMOS
  • Supply Voltage: 3.3
Real Time Clock Multiplexed 242Byte 24-Pin SSOP -- 815-BQ3285LSS [BQ3285LSS from Texas Instruments]
from Utmel Electronic Limited

Real Time Clock Multiplexed 242Byte 24-Pin SSOP [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.15
  • Package Type: SSOP
  • Frequency: 0.0320
I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment -- BU9873F
from ROHM Semiconductor USA, LLC

The BU9873 is a CMOS real-time clock, which has a built-in interrupt generation function. This product is connected to the CPU via I ²C interface, and configured to perform serial transmission of time and calendar data to the CPU. A high-precision oscillation adjustment circuit is also... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: SOP
  • Operating Temperature: -40 to 85
2 Output PCI-Express GEN1 Clock Source -- 557G-03LF
from Integrated Device Technology

The 557-03 is a spread spectrum clock generator that supports PCI -Express Gen 1 and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce electromagnetic interference ( EMI ). The device provides two differential ( HCSL ) spread spectrum outputs. The spread... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: HCSL
  • Supply Voltage: 3.3
CMOS Serial Real-Time Clock With RAM and Power Sense/Control -- CDP68HC68T1M2Z
from Renesas Electronics Corporation

The CDP68HC68T1 Real-Time Clock provides a time/calendar function, a 32 byte static RAM, and a 3 wire Serial Peripheral Interface (SPI Bus). The primary function of the clock is to divide down a frequency input that can be supplied by the on-board oscillator in conjunction with an external crystal... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 6
  • Package Type: PDIP; SOIC
  • Features / Standards: Programmable
Battery-Backed I2C Real-Time Clock/Calendar with Pre-Programmed EUI-48™ MAC ID -- MCP79411
from Microchip Technology, Inc.

The MCP79411 general purpose I2C ™Compatible real-time clock/calendar (RTCC) is highly integrated with nonvolatile memory and advanced features normally found in higher priced devices. These features include a battery switchover circuit for backup power, a timestamp to log power failures and... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['DICE', 'WAFER', 'MSOP', 'TDFN', 'TSSOP', 'SOIC']
±5ppm, I²C Real-Time Clock with SRAM -- DS3232M
from Maxim Integrated

The DS3232M is a low-cost, extremely accurate, I ²C real-time clock (RTC) with 236 bytes of battery-backed SRAM. The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted. The integration of the microelectromechanical systems (MEMS)... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.3 to 4.5
  • Package Type: Surface Mount; SOIC
  • Operating Temperature: -40 to 85
Real Time Clock Backup Batteries -- EnerChip RTC CBC34803 with I2C bus
from Cymbet Corporation

The EnerChip RTC CBC34803-M5C combines a Real-Time Clock (RTC) and calendar optimized for low power applications with an integrated rechargeable solid state backup battery and all power management functions. The EnerChip RTC ensures a seamless transition from main power to backup power in the event... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount
  • Bus Interface: I2C
  • Supply Voltage: 2.5 to 3.6
AB-RTCMK Clock/Calendar -- AB-RTCMC-32.768KHZ-AIGZ-S7-T
from Abracon, LLC

RoHS/RoHS II Compliant. Series: AB-RTCMK. Type: Clock/Calendar. Operating Temperature: -40 °C ~ 85 °C. Features: Alarm, Leap Year, Watchdog Timer. Time Format: HH:MM:SS:hh (24 hr). Date Format: YY-MM-DD-dd. Interface: I ²C, 2-Wire Serial. Voltage - Supply: 1V ~ 4.4V. Current -... [See More]

  • Device Type: Real Time Clock
  • Package Type: 8-WCDFN
  • Bus Interface: I2C
  • Supply Voltage: 1 to 4.4
Clock/Timing - Real Time Clocks -- 1337AGCSRGI
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C 16-SOIC [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
Real Time Clock Multiplexed 242byte 24-Pin SSOP T/R -- 815-BQ3285LDSSTR [BQ3285LDSSTR from Texas Instruments]
from Utmel Electronic Limited

Real Time Clock Multiplexed 242byte 24-Pin SSOP T/R [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: 24-SSOP (0.154, 3.90mm Width)
  • Frequency: 0.0320
I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment -- BU9873FJ
from ROHM Semiconductor USA, LLC

The BU9873 is a CMOS real-time clock, which has a built-in interrupt generation function. This product is connected to the CPU via I ²C interface, and configured to perform serial transmission of time and calendar data to the CPU. A high-precision oscillation adjustment circuit is also... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: SOP
  • Operating Temperature: -40 to 85
32.768KHz Clock Oscillator -- MK3200SILF
from Integrated Device Technology

The MK3200 is IDT ’s lowest cost, low power clock oscillator that generates a low power 32.768 kHz output from an inexpensive 32.768 kHz crystal. This part includes a power down pin and allows you to tri state the output clock for in-circuit testing. IDT manufactures the largest variety of... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; SOIC; SOIC
  • Bus Interface: LVCMOS
  • Supply Voltage: 2.5 to 5
CMOS Serial Real-Time Clock With RAM and Power Sense/Control -- CDP68HC68T1MZ
from Renesas Electronics Corporation

The CDP68HC68T1 Real-Time Clock provides a time/calendar function, a 32 byte static RAM, and a 3 wire Serial Peripheral Interface (SPI Bus). The primary function of the clock is to divide down a frequency input that can be supplied by the on-board oscillator in conjunction with an external crystal... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 6
  • Package Type: PDIP; SOIC
  • Features / Standards: Programmable
Battery-Backed I2C Real-Time Clock/Calendar with Pre-Programmed EUI-64™ MAC ID -- en551552
from Microchip Technology, Inc.

The MCP79402 general purpose I2CTM Compatible real-time clock/calendar (RTCC) is highly integrated with memory and advanced features normally found in higher priced devices. These features include a battery switchover circuit for backup power, a timestamp to log power failures and digital trimming... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['DICE', 'WAFER', 'MSOP', 'TDFN', 'TSSOP', 'SOIC']
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- 1338B-18DVGI [1338B-18DVGI from Renesas Electronics Corporation]
from Acme Chip Technology Co., Limited

1338B-18 REAL TIME CLOCK [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
1-Wire Time Chip With Interrupt -- DS2417
from Maxim Integrated

The DS2417 1-Wire Time Chip with Interrupt offers a simple solution for storing and retrieving vital time information with minimal hardware. The DS2417 contains a unique lasered ROM and a real-time clock/calendar implemented as a binary counter. Only one pin is required for communication with the... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 5
  • Package Type: Surface Mount; FCHIP, TSOC
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- 1337AGDCGI
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C 8-SOIC [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
Real Time Clock Parallel 128KByte 32-Pin PMDIP -- 761-M48T129Y-70PM1 [M48T129Y-70PM1 from STMicroelectronics]
from Utmel Electronic Limited

Real Time Clock Parallel 128KByte 32-Pin PMDIP [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Supply Voltage: 4.5 to 5.5
  • Package Type: DIP; 32-DIP Module (0.600, 15.24mm)
  • Frequency: 70000
I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment -- BU9873FVM
from ROHM Semiconductor USA, LLC

The BU9873 is a CMOS real-time clock, which has a built-in interrupt generation function. This product is connected to the CPU via I ²C interface, and configured to perform serial transmission of time and calendar data to the CPU. A high-precision oscillation adjustment circuit is also... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: MSOP8
  • Operating Temperature: -40 to 85
CK-MNG Synthesizer for Peripherals -- 9FGP202AKLF
from Integrated Device Technology

The 9FGP202 is a peripheral clock for Intel Server. It is driven with a 25MHz crystal and generates CPU outputs up to 400MHz. An SMBus interface allows full control of the device. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; VFQFPN
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
Horizontal Genlock, 8FSC -- EL4585CSZ
from Renesas Electronics Corporation

The EL4585 is a PLL (Phase Lock Loop) sub-system, designed for video applications and also suitable for general purpose use up to 36MHz. In video applications, this device generates a TTL/CMOS-compatible pixel clock (CLK OUT) which is a multiple of the TV horizontal scan rate and phase locked to... [See More]

  • Device Type: Real Time Clock
  • Package Type: SOIC
Battery-Backed I2C Real-Time Clock/Calendar with Pre-Programmed EUI-64™ MAC ID -- MCP79412
from Microchip Technology, Inc.

The MCP79412 general purpose I2C ™Compatible real-time clock/calendar (RTCC) is highly integrated with nonvolatile memory and advanced features normally found in higher priced devices. These features include a battery switchover circuit for backup power, a timestamp to log power failures and... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['DICE', 'WAFER', 'MSOP', 'TDFN', 'TSSOP', 'SOIC']
1024K NV SRAM with Phantom Clock -- DS1248
from Maxim Integrated

The DS1248 1024K NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 128K words by 8 bits) with a built-in real-time clock. The DS1248 has a self-contained lithium energy source and control circuitry, which constantly monitors VCC for an out-of-tolerance condition. When such a... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3 to 5
  • Package Type: Surface Mount; DIP; EDIP, PCAP
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- 1337AGDVGI
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C 8-TSSOP [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
Real Time Clock Serial (3-Wire, I2C, SPI) 20-Pin SO Tube -- 568-PCF2129AT/1,512 [PCF2129AT/1,512 from NXP Semiconductors]
from Utmel Electronic Limited

Real Time Clock Serial (3-Wire, I2C, SPI) 20-Pin SO Tube [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Supply Voltage: 1.8 to 4.2
  • Package Type: 20-SOIC (0.295, 7.50mm Width)
  • Operating Temperature: -40 to 85
I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment -- BU9873FVT
from ROHM Semiconductor USA, LLC

The BU9873 is a CMOS real-time clock, which has a built-in interrupt generation function. This product is connected to the CPU via I ²C interface, and configured to perform serial transmission of time and calendar data to the CPU. A high-precision oscillation adjustment circuit is also... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: TSSOP-B8
  • Operating Temperature: -40 to 85
CK-MNG+ Peripheral Synthesizer for Intel Servers -- 9FGP204BKLF
from Integrated Device Technology

The 9FGP204 is a peripheral clock for Intel Servers. It is driven with a 25MHz crystal. An SMBus interface allows full control of the device. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; VFQFPN
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
I2C Real Time Clock with Battery Backup Low Power RTC with Battery ReSeal™ Function -- ISL12008IB8Z
from Renesas Electronics Corporation

The ISL12008 device is a low power real time clock/calendar that is pin compatible and functionally equivalent to the ST M41T00S and Maxim DS1340 with timing and crystal compensation. The device additionally provides power-fail indicator, software alarm and intelligent battery backup.brbr The... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: SOIC
Battery-Backed SPI Real-Time Clock/Calendar -- en557865
from Microchip Technology, Inc.

The MCP79520 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: ['MSOP', 'TDFN']
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- CBC34803-M5C-TR1 [CBC34803-M5C-TR1 from Cymbet Corporation]
from Acme Chip Technology Co., Limited

IC RTC CLK/CALENDAR I2C 16QFN [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -10 to 70
  • Package Type: Surface Mount; Surface Mount
1M, Nonvolatile, Y2K-Compliant Timekeeping RAM -- DS1556
from Maxim Integrated

The DS1556 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 128k x 8 nonvolatile static RAM. User access to all registers within the DS1556 is accomplished with a byte-wide interface as shown in... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3 to 5
  • Package Type: Surface Mount; DIP; EDIP, PCAP
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- 1337GNLGI
from Lingto Electronic Limited

IC RTC CLK/CAL I2C 16-VFQFPN [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment -- BU9873NUX
from ROHM Semiconductor USA, LLC

The BU9873 is a CMOS real-time clock, which has a built-in interrupt generation function. This product is connected to the CPU via I ²C interface, and configured to perform serial transmission of time and calendar data to the CPU. A high-precision oscillation adjustment circuit is also... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5.5
  • Package Type: VSON008X2030
  • Operating Temperature: -40 to 85
CK-MNG+ Peripheral Synthesizer w/Wake-On-Lan support for Intel Servers -- 9FGP205AKLF
from Integrated Device Technology

The 9FGP205 is a peripheral clock for Intel Servers, supporting Wake-On-Lan. It is driven with a 25MHz crystal. An SMBus interface allows full control of the device. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; VFQFPN
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
I2C® Real Time Clock/Calendar, Low Power RTC with Battery Backed SRAM -- ISL1208IB8Z
from Renesas Electronics Corporation

The ISL1208 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and battery-backed user SRAM.brbr The oscillator uses an external, low-cost 32.768kHz crystal. The real time... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: SOIC; SOP; DFN
Battery-Backed SPI Real-Time Clock/Calendar -- en557874
from Microchip Technology, Inc.

The MCP79510 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: ['MSOP', 'TDFN']
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- CBC92132C-Q3-TR3 [CBC92132C-Q3-TR3 from Cymbet Corporation]
from Acme Chip Technology Co., Limited

IC RTC CLK/CALENDAR I2C 16MLPQ [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
256k Nonvolatile, Y2K-Compliant Timekeeping RAM -- DS1554
from Maxim Integrated

The DS1554 is a full-function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 nonvolatile static RAM. User access to all registers within the DS1554 is accomplished with a byte-wide interface as shown in... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3 to 5
  • Package Type: Surface Mount; DIP; EDIP, PCAP
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- 1338C-18SRI
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C 16-SOIC [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
CK410B+ Derivative Synthesizer -- 932S422CGLF
from Integrated Device Technology

The IDT932S422 is a main clock synthesizer for CK410B + generation Intel server platforms. The IDT932S422 is driven with a 14.318MHz crystal. It generates 5 CPU outputs up to 400MHz and 4 PCIe Gen2 PCI -Express clocks. The 48 MHz USB clock is an exact 48.000 MHz clock. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
I2C® Real Time Clock/Calendar, Low Power RTC with Battery Backed SRAM -- ISL1208IRT8Z
from Renesas Electronics Corporation

The ISL1208 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and battery-backed user SRAM.brbr The oscillator uses an external, low-cost 32.768kHz crystal. The real time... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: SOIC; SOP; DFN
Battery-Backed SPI Real-Time Clock/Calendar with Pre-Programmed EUI-48™ MAC ID -- en557868
from Microchip Technology, Inc.

The MCP79521 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: ['MSOP', 'TDFN']
256k NV SRAM with Phantom Clock -- DS1244
from Maxim Integrated

The DS1244 256k NV SRAM with a Phantom clock is a fully static nonvolatile RAM (NV SRAM) (organized as 32k words by 8 bits) with a built-in real-time clock. The DS1244 has a self-contained lithium energy source and control circuitry, which constantly monitors VCC for an out-of-tolerance condition. [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3 to 5
  • Package Type: Surface Mount; DIP; EDIP, PCAP
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-AIGZ-S7-T
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C 8-CLCC [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
CK410B+ Synthesizer -- 932S421BGLFT
from Integrated Device Technology

The IDT932S421 is a main clock synthesizer for CK410B + generation Intel server platforms. The IDT932S421 is driven with a 14.318MHz crystal. It generates 4 CPU outputs up to 400MHz and 5 PCIe Gen2 PCI -Express clocks. The 48 MHz USB clock is an exact 48.000 MHz clock. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
I2C® Real Time Clock/Calendar, Low Power RTC with Battery Backed SRAM -- ISL1208IU8Z
from Renesas Electronics Corporation

The ISL1208 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and battery-backed user SRAM.brbr The oscillator uses an external, low-cost 32.768kHz crystal. The real time... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: SOIC; SOP; DFN
Battery-Backed SPI Real-Time Clock/Calendar with Pre-Programmed EUI-48™ MAC ID -- en557875
from Microchip Technology, Inc.

The MCP79511 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: ['MSOP', 'TDFN']
3V/5V Real-Time Clock -- DS1685
from Maxim Integrated

The DS1685/DS1687 are real-time clocks (RTCs) designed as successors to the industry-standard DS1285,DS1385, DS1485, and DS1585 PC RTCs. These devices provide the industry-standard DS1285 clock function with either +3.0V or +5.0V operation. The DS1685 also incorporates a number of enhanced features... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 5
  • Package Type: Surface Mount; PDIP; SOIC; TSSOP; PDIP(W), PLCC, SOIC(W), TSSOP
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-B5GA-S3-T
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C MODULE [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
CK420BQ Derivative Supporting SRnS PCIe Clocking -- 932SQ426AGLF
from Integrated Device Technology

The 932SQ426 is a CK420BQ derivative supporting Separate Reference no Spread (SRnS) PCIe clocking architectures. It uses a 25MHz crystal for maximum performance and has 100MHz outputs tuned for non-spreading applications to provide the most open eye diagram on PCIe links. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
Low Cost, Low Power I2C-Bus™ Real Time Clock/Calendar Low Power and Low Cost RTC with Alarm Function -- ISL12058IRTZ
from Renesas Electronics Corporation

The ISL12058 device is a low power real time clock with clock/calendar, and alarm function.brbr The oscillator uses an external, low-cost 32.768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month,... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.4 to 3.6
  • Package Type: SOIC; SOP; DFN
Battery-Backed SPI Real-Time Clock/Calendar with Pre-Programmed EUI-64™ MAC ID -- en557869
from Microchip Technology, Inc.

The MCP79522 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: ['MSOP', 'TDFN']
3V/5V Real-Time Clocks -- DS17285
from Maxim Integrated

The DS17285, DS17485, DS17885, DS17287, DS17487, and DS17887 real-time clocks (RTCs) are designed to be successors to the industry-standard DS12885 and DS12887. The DS17285, DS17485, and DS17885 (hereafter referred to as the DS17x85) provide a real-time clock/calendar, one time-of-day alarm, three... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 5
  • Package Type: Surface Mount; PDIP; SOIC; PDIP(W), SOIC(W), TSOP
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-IBO5-S3-T
from Lingto Electronic Limited

IC RTC CLK/CALEND I2C 10CLCC ULP [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
CK420BQ Derivative Synthesizer -- 932SQ425AKLF
from Integrated Device Technology

The 932SQ425 is a reduced-pin-count main clock synthesizer for Intel Romley-generation server platforms. The 932SQ425 is driven with a 25 MHz crystal for maximum performance. It generates CPU outputs of 100 or 133.33 MHz. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; VFQFPN
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
Low Power RTC with 8 Bytes of Battery Backed SRAM and Separate FOUT -- ISL1220IUZ-T
from Renesas Electronics Corporation

The ISL1220 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching, battery-backed user SRAM and separate FsubOUT/sub and span style="text-decoration: overline"IRQ/span... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: SOP
Battery-Backed SPI Real-Time Clock/Calendar with Pre-Programmed EUI-64™ MAC ID -- en557876
from Microchip Technology, Inc.

The MCP79512 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock; Clock Generator
  • Operating Temperature: -40 to 85
  • Package Type: ['MSOP', 'TDFN']
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- ECS-RTC-3225-5609-TR [ECS-RTC-3225-5609-TR from ECS Inc. International]
from Acme Chip Technology Co., Limited

IC RTC CLK/CALENDAR I2C 10SMD [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
4096K NV SRAM with Phantom Clock -- DS1251
from Maxim Integrated

The DS1251 4096K NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 512K words by 8 bits) with a built-in real-time clock. The DS1251Y has a self-contained lithium energy source and control circuitry which constantly monitors VCC for an out-of-tolerance condition. When such a... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3 to 5
  • Package Type: Surface Mount; DIP; EDIP, PCAP
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AB-RTCMC-32.768KHZ-ZIZE-S2-T
from Lingto Electronic Limited

IC RTC CLK/CALENDAR SPI MODULE [See More]

  • Device Type: Real Time Clock
  • Bus Interface: SPI; SPI
CK420BQ Derivative Synthesizer -- 932SQ428AKLFT
from Integrated Device Technology

The 932SQ428 is a main clock synthesizer for Romley-generation Intel based server platforms. The 932SQ428 is driven with a 25 MHz crystal for maximum performance. It generates CPU outputs of 100MHz. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; VFQFPN
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
Real Time Clock with Embedded Crystal, ±5ppm Accuracy -- ISL12020MIRZ
from Renesas Electronics Corporation

Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight Saving ISL12020M The ISL12020M device is a low power Real Time Clock (RTC) with an embedded temperature sensor and crystal. Device functions include oscillator compensation, clock/calendar,... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: DFN
Enhanced Feature Battery-Backed SPI Real-Time Clock/Calendar -- en556239
from Microchip Technology, Inc.

The MCP795W20 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['TSSOP', 'SOIC']
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- ECS-RTC-3225-5699HS-TR [ECS-RTC-3225-5699HS-TR from ECS Inc. International]
from Acme Chip Technology Co., Limited

IC RTC CLK/CALENDAR I2C 10SMD [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM -- DS1557
from Maxim Integrated

The DS1557 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 512k x 8 nonvolatile static RAM. User access to all registers within the DS1557 is accomplished with a byte-wide interface as shown in... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3 to 5
  • Package Type: Surface Mount; PCAP
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AB-RTCMK-32.768KHZ-T
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C 8-SMT [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
CK420BQ Synthesizer -- 932SQ420DGLF
from Integrated Device Technology

The 932SQ420 is an Intel CK420BQ main clock synthesizer for Romley-generation and newer Intel-based server platforms. The 932SQ420 is driven with a 25 MHz crystal for maximum performance. It generates CPU outputs of 100 or 133.33 MHz. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: HCSL,LVTTL
  • Supply Voltage: 3.3
Real Time Clock/Calendar with I2C Bus™ and EEPROM -- ISL12026AIVZ
from Renesas Electronics Corporation

The ISL12026 and the ISL12026A devices are micro power real time clocks with timing and crystal compensation, clock/calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, and integrated 512x8-bit EEPROM configured in 16 Bytes per page.brbr The oscillator... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.7 to 5.5
  • Package Type: SOIC; TSSOP
Enhanced Feature Battery-Backed SPI Real-Time Clock/Calendar -- en556365
from Microchip Technology, Inc.

The MCP795W21 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['TSSOP', 'SOIC']
64 x 8, Serial, I²C Real-Time Clock -- DS1307
from Maxim Integrated

The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I ²C, bidirectional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 5
  • Package Type: Surface Mount; PDIP; SOIC; PDIP(N), SOIC(N)
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- AB0801-T3
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C 16-QFN [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
DB1200GS Frequency Gearing Clock -- 9FG1200DG-1LF
from Integrated Device Technology

9FG1200 -1 follows the Intel DB1200GS Differential Buffer Specification. This buffer provides 12 output clocks for CPU Host Bus, PCIe Gen2, or Fully Buffered DIMM applications. The outputs are configured with two groups. Both groups ( DIF 9:0) and ( DIF 11:10) can be equal to or have a gear ratio to... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Frequency: 0.0 to 400
Enhanced Feature Battery-Backed SPI Real-Time Clock/Calendar -- en556366
from Microchip Technology, Inc.

The MCP795W22 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['TSSOP', 'SOIC']
64K NV SRAM with Phantom Clock -- DS1243
from Maxim Integrated

The DS1243Y 64K NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 8192 words by 8 bits) with a built-in real time clock. The DS1243Y has a self-contained lithium energy source and control circuitry, which constantly monitors VCC for an out-of-tolerance condition. When such a... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 5
  • Package Type: Surface Mount; DIP
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- BQ32000D
from Lingto Electronic Limited

IC RTC CLK/CALENDAR I2C 8-SOIC [See More]

  • Device Type: Real Time Clock
  • Bus Interface: I2C; I²C, 2-Wire Serial
Differential-to-LVDS/0.7V Differential PCI Express Jitter Attenuator -- 8741004AGLF
from Integrated Device Technology

The 8741004 is a high performance Differential-to- LVDS /0.7V Differential Jitter Attenuator designed for use in PCI Express ® ™ systems. In some PCI Express ® systems, such as those found in desktop PCs, the PCI Express ® clocks are generated from a low bandwidth, high phase noise... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: LVDS; HCSL,LVDS
  • Supply Voltage: 3.3
Enhanced Feature Battery-Backed SPI Real-Time Clock/Calendar -- en556377
from Microchip Technology, Inc.

The MCP795W10 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['TSSOP', 'SOIC']
64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM -- DS1553
from Maxim Integrated

The DS1553 is a full-function, year-2000-compliant (Y2KC) real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and "8k x 8 nonvolatile static RAM (NV SRAM). " User access to all registers within the DS1553 is accomplished with a bytewide... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 3.3 to 5
  • Package Type: Surface Mount; DIP; EDIP, PCAP
  • Operating Temperature: 0.0 to 70
Clock/Timing - Real Time Clocks -- BQ32000D
from Lingto Electronic Limited

BQ32000 SERIAL RTC WITH BATTERY [See More]

  • Device Type: Real Time Clock
Differential-to-LVDS/0.7V Differential PCI Express Jitter Attenuator -- 8741004BGILFT
from Integrated Device Technology

The 8741004I is a high performance Differential-to- LVDS /0.7V Differential Jitter Attenuator designed for use in PCI Express ® ™ systems. In some PCI Express ® systems, such as those found in desktop PCs, the PCI Express ® clocks are generated from a low bandwidth, high phase... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: LVDS; HCSL,LVDS
  • Supply Voltage: 3.3
Enhanced Feature Battery-Backed SPI Real-Time Clock/Calendar -- en556378
from Microchip Technology, Inc.

The MCP795W11 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['TSSOP', 'SOIC']
Advanced NV SRAM Battery Cap -- DS3800
from Maxim Integrated

The DS3800 is a secondary lithium power source designed to conveniently snap-on over a 40mm Ball Grid Array (BGA) nonvolatile memory module. Its durable attachment flanges prevent misalignment and maintain mechanical and electrical connection with the module throughout shocks and stresses during and... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: 0.0 to 70
  • Package Type: Surface Mount; PCAP
Clock/Timing - Real Time Clocks -- BQ3285EP
from Lingto Electronic Limited

IC RTC CLK/CALENDAR PAR 24-DIP [See More]

  • Device Type: Real Time Clock
  • Bus Interface: Parallel; Parallel
Low Skew Clock Inverter and Divider -- 548G-05LFT
from Integrated Device Technology

The 548-05 is a low-cost, low-jitter, high-performace clock synthesizer designed to produce x16 and x24 clocks from T1 and E1 frequencies. Using IDT ’s patented analog/digital Phase- Locked Loop ( PLL ) techniques, the device uses a crystal or clock input to synthesize popular communications... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: LVCMOS
  • Supply Voltage: 3.3 to 5
Enhanced Feature Battery-Backed SPI Real-Time Clock/Calendar -- en556379
from Microchip Technology, Inc.

The MCP795W12 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of... [See More]

  • Device Type: Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: SOIC; SSOP; ['TSSOP', 'SOIC']
Extremely Accurate I²C RTC with Integrated Crystal and SRAM -- DS3232
from Maxim Integrated

The DS3232 is a low-cost temperature-compensated crystal oscillator (TCXO) with a very accurate, temperature-compensated, integrated real-time clock (RTC) and 236 bytes of battery-backed SRAM. Additionally, the DS3232 incorporates a battery input and maintains accurate timekeeping when main power to... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.3 to 5.5
  • Package Type: Surface Mount; SOIC
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- BQ3285ES
from Lingto Electronic Limited

RTC, VOLATILE [See More]

  • Device Type: Real Time Clock
  • Bus Interface: Parallel; Parallel
Low Voltage/Low Skew,1:4 PCI/PCI-X -- 87604AGILFT
from Integrated Device Technology

The 87604I is a 1:4 PCI / PCI -X Clock Generator. The 87604I has a selectable REF_IN or crystal input. The REF_IN input accepts LVCMOS or LVTTL input levels. The 87604I has a fully integrated PLL along with frequency configurable clock and feedback outputs for multiply-ing and regenerating clocks... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: LVCMOS,LVTTL
  • Supply Voltage: 3.3
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- MAX31329ELB+ [MAX31329ELB+ from Analog Devices, Inc.]
from Acme Chip Technology Co., Limited

INTEGRATED RC17 W/ QST CRYSTAL [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Supply Voltage: 1.6 to 5.5
Extremely Accurate I²C-Integrated RTC/TCXO/Crystal -- DS3231
from Maxim Integrated

The DS3231 is a low-cost, extremely accurate I ²C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted. The integration of... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2.3 to 5.5
  • Package Type: Surface Mount; SOIC
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- BQ3285ESS
from Lingto Electronic Limited

RTC, VOLATILE [See More]

  • Device Type: Real Time Clock
  • Bus Interface: Parallel; Parallel
Low-Power CK420BQ Derivative for PCIe Common Clock Architectures -- 932SQL450BGLF
from Integrated Device Technology

The 932SQL450 is a low power version of the CK420BQ synthesizer for Intel-based server platforms. It has 85-ohm LP - HCSL outputs allowing for direct connection to 85-ohm transmission lines. The 932SQL450 is driven with a 25MHz crystal for maximum performance. It generates CPU outputs of 100MHz. [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: LP-HCSL,LVTTL
  • Supply Voltage: 3.3
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- MAX31329ELB+T [MAX31329ELB+T from Analog Devices, Inc.]
from Acme Chip Technology Co., Limited

INTEGRATED RC17 W/ QST CRYSTAL [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM -- DS3234
from Maxim Integrated

The DS3234 is a low-cost, extremely accurate SPI ™ bus real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The DS3234 incorporates a precision, temperature-compensated voltage reference and comparator circuit to monitor VCC. When VCC drops... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2 to 5.5
  • Package Type: Surface Mount; SOIC
  • Operating Temperature: -40 to 85
Clock/Timing - Real Time Clocks -- BQ3285ESS
from Lingto Electronic Limited

IC RTC CLK/CALENDAR PAR 24-QSOP [See More]

  • Device Type: Real Time Clock
  • Bus Interface: Parallel; Parallel
Low-Power CK420BQ Derivative for PCIe Separate Clock Architectures -- 932SQL456AGILF
from Integrated Device Technology

The 932SQL456 is a low power version of the CK420BQ synthesizer for Intel-based server platforms. It has 85 ohm Low-Power ( LP ) HCSL outputs that save 48 resistors and reduce power consumption by 50% compared to the standard CK420BQ . The 932SQL456 is driven with a 25MHz crystal for maximum... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: LP-HCSL,LVTTL
  • Supply Voltage: 3.3
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- MAX31329NELB+ [MAX31329NELB+ from Analog Devices, Inc.]
from Acme Chip Technology Co., Limited

INTEGRATED RC17 W/ NDK CRYSTAL [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
I²C 32-Bit Binary Counter RTC -- DS1672
from Maxim Integrated

The DS1672 low-voltage serial timekeeping chip incorporates a 32-bit counter and power-monitoring functions. The 32-bit counter is designed to count seconds and can be used to derive time-of-day, week, month, and year by using a software algorithm. A precision, temperature-compensated reference and... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 2 to 3.3
  • Package Type: Surface Mount; PDIP; SOIC; µMAX, PDIP(N), SOIC(N)
  • Operating Temperature: -40 to 85
PCI Express GEN1 Clock Source -- 557M-01LF
from Integrated Device Technology

The 557-01 is a clock chip designed for use in PCI Express ® Cards as a clock source. It provides a pair of differential outputs at 100 MHz in a small 8-pin SOIC package. Using IDT ’s patented Phase-Locked Loop ( PLL ) techniques, the device takes a 25 MHz crystal input and produces HCSL... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; SOIC; SOIC
  • Bus Interface: HCSL
  • Supply Voltage: 3.3
Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks -- MAX31331EWC+T [MAX31331EWC+T from Analog Devices, Inc.]
from Acme Chip Technology Co., Limited

IC RTC CLK/CALENDAR I2C 12WLP [See More]

  • Device Type: Clock/Calendar; Real Time Clock
  • Operating Temperature: -40 to 85
  • Package Type: Surface Mount; Surface Mount
I²C Digital Input RTC with Alarm -- DS1375
from Maxim Integrated

The DS1375 digital real-time clock (RTC) is a low-power clock/calendar that does not require a crystal. The device operates from a digital clock input pin at one of four frequencies: 32.768kHz, 8.192kHz, 60Hz, or 50Hz. It maintains seconds, minutes, hours, day, date, month, and year information. The... [See More]

  • Device Type: Real Time Clock
  • Supply Voltage: 1.8 to 5
  • Package Type: Surface Mount; TDFN-EP
  • Operating Temperature: -40 to 85
PCI Express Jitter Attenuator -- 874003AG-02LFT
from Integrated Device Technology

The 874003-02 is a high performance Differential-to- LVDS Jitter Attenuator designed for use in PCI Express systems. In some PCI Express systems, such as those found in desktop PCs, the PCI Express clocks are generated from a low bandwidth, high phase noise PLL frequency synthesizer. In these... [See More]

  • Device Type: Real Time Clock
  • Package Type: Surface Mount; TSSOP; TSSOP
  • Bus Interface: LVDS; LVDS
  • Supply Voltage: 3.3