Programmable IC Clocks

4-PLL Jitter Attenuating Clock -- Si5374
from Silicon Labs

The Si5374/75 any-frequency jitter attenuating clocks integrate four independent jitter attenuating PLLs into a single device, providing industry-leading integration for space-constrained OTN (OTU1, OTU2, OTU3, OTU4) applications. The Si537x can generate any output frequency (2 kHz to 808 MHz) from... [See More]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: CMOS; LVPECL; LVDS; CML
  • Device Type: Clock Generator
  • Package Type: BGA
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]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: SPI
  • Device Type: Real Time Clock
  • Package Type: Surface Mount
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]

  • Features / Standards: Programmable
  • Package Type: PDIP; SOIC
  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 6
Differential + LVCMOS Clock Generator -- Si5334A
from Silicon Labs

Silicon Labs ’ programmable clock generator IC solutions provide any rate, any output frequency synthesis. All combinations of output frequencies can be generated exactly with 0 ppm error. The SL28PCIe10/30/50 devices are highly integrated clock generators capable of generating PCIe compliant... [See More]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: LVPECL; HSTL; LVDS; SSTL; LVCMOS, HCSL
  • Device Type: Clock Generator
  • Package Type: QFN
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]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: I2C
  • Device Type: Real Time Clock
  • Package Type: Surface Mount
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]

  • Features / Standards: Programmable
  • Package Type: PDIP; SOIC
  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 6
Embedded Intel x86 Clock -- CY28317-2
from Silicon Labs

Silicon Labs' embedded Intel x86 clock generators support a wide variety of chipsets and processors. They provide all the necessary clock generation for the CPU, memory controller (chipset north bridge), I/O controller (chipset south bridge) as well as exceed the latest timing requirements for... [See More]

  • Features / Standards: RoHS; Programmable
  • Bus Interface: LVCMOS, HCSL
  • Device Type: Clock Generator
  • Package Type: SSOP; TSSOP
Real Time Clock Power Backup Evaluation Kit -- EnerChip CC CBC-EVAL-06
from Cymbet Corporation

Experiment with the world's smallest footprint battery backup for low power RTC. A Micro Crystal 2123 RTC with oscillator can be backed up for 92 hours with the EnerChip CC CBC3112 UPS in a Chip ™. USB stick with PC GUI. [See More]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: SPI
  • Device Type: Real Time Clock (optional feature)
  • Package Type: Surface Mount
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]

  • Features / Standards: Programmable
  • Package Type: PDIP; SOIC
  • Device Type: Real Time Clock
  • Supply Voltage: 3 to 6
Embedded Intel x86 Clock -- SL28442-2
from Silicon Labs

Silicon Labs' embedded Intel x86 clock generators support a wide variety of chipsets and processors. They provide all the necessary clock generation for the CPU, memory controller (chipset north bridge), I/O controller (chipset south bridge) as well as exceed the latest timing requirements for... [See More]

  • Features / Standards: RoHS; Programmable
  • Bus Interface: LVCMOS, HCSL
  • Device Type: Clock Generator
  • Package Type: TSSOP
EMI Reduction Clock -- Si5330A
from Silicon Labs

Silicon Labs' programmable spread spectrum clock generators feature a wide range of programming options that allow system designers to minimize electro-magnetic interference (EMI) at the application level. Configurable parameters to reduce EMI include a wide range of signal integrity adjustments... [See More]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: LVPECL
  • Device Type: Clock Generator
  • Package Type: QFN
Integrated Clock + VCXO Solution -- Si5350B-A-GM
from Silicon Labs

Silicon Labs' highly-integrated clock + VCXO solutions feature an integrated voltage controlled oscillator (VCXO). Free-running and VCXO clocks can be generated by one device, making them ideal for cost-sensitive consumer applications. Si5350/51 clock generators feature an integrated VCXO that does... [See More]

  • Features / Standards: RoHS; Programmable
  • Bus Interface: LVCMOS
  • Device Type: Clock Generator
  • Package Type: QFN
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]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: CMOS; LVPECL; I2C; LVDS; SPI; CML, LVCMOS
  • Device Type: Real Time Clock
  • Package Type: QFN
LVCMOS Clock (<4 outputs) -- Si5350A-A-GT
from Silicon Labs

Silicon Labs' highly flexible, factory and I2C programmable LVCMOS clock generators can be customized to generate multiple frequencies with significantly lower jitter, lower power and smaller size than competing solutions. Factory customized options are available to minimize EMI, including... [See More]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: LVCMOS
  • Device Type: Clock Generator
  • Package Type: MSOP
LVCMOS Clock (5+ Outputs) -- Si5334C
from Silicon Labs

Silicon Labs' highly flexible, factory and I2C programmable and factory customizable LVCMOS clock generators can be customized to generate multiple independent non-integer-related frequencies with equivalent frequency synthesis capability of 8 PLLs, with exact frequency synthesis (0 ppm error), at... [See More]

  • Features / Standards: RoHS; Programmable
  • Bus Interface: LVPECL; HSTL; LVDS; SSTL; LVCMOS, HCSL
  • Device Type: Clock Generator
  • Package Type: QFN
PCI Express (PCIe) Gen 1/2/3 Clock -- Si5334K
from Silicon Labs

Silicon Labs' PCI Express clocks provide industry-leading jitter performance, compliance with PCI Express (PCIe) Gen 1/2/3 requirements, outstanding frequency flexibility and configurable AC parameters for signal integrity optimization. The PCIe Clock family addresses the specific clock requirements... [See More]

  • Features / Standards: RoHS; Programmable
  • Bus Interface: LVPECL; HSTL; LVDS; SSTL; LVCMOS, HCSL
  • Device Type: Clock Generator
  • Package Type: QFN
Zero Delay Buffer -- SL2305
from Silicon Labs

Silicon Labs' zero delay clock buffer products are used in applications that require zero propagation delay between the input and output clocks. Silicon Labs' zero delay buffers are based on Silicon Labs ’ low power, high performance PLL technology and provide low power consumption and allow... [See More]

  • Features / Standards: RoHS; Lead-Free; Programmable
  • Bus Interface: LVCMOS
  • Device Type: Clock Driver
  • Package Type: SOIC; TSSOP