3.3 V EEPROM
Description
A 3.3 V EEPROM (Electrically Erasable Programmable Read-Only Memory) is a type of non-volatile memory used in electronic devices to store small amounts of data that must be saved when power is removed. It operates at a supply voltage of 3.3 volts, which is a common voltage level for modern electronic circuits, particularly in battery-powered and portable devices.
Working Principle
EEPROM works by using an electrical charge to change the state of a floating-gate transistor, which allows it to store data even when the power is turned off. The memory cells in EEPROM can be individually erased and programmed, making it possible to update specific bytes of data without affecting the entire memory. This feature is particularly useful for applications that require frequent updates to stored data. The EEPROM's ability to retain data without power and its capability for byte-level erase and write operations make it a versatile and reliable choice for data storage.
Applications
3.3 V EEPROMs are used in a variety of applications where data retention is critical. Specific examples include:
- Cellular Phones: Used to store configuration settings and user preferences.
- TV Tuners: Employed to save channel presets and tuning parameters.
- Keyless Entry Systems: Utilized to store security codes and access logs.
- VCRs: Used for storing timer settings and recording schedules.
Advantages over other EEPROM
3.3 V EEPROMs offer several advantages over other types of EEPROMs, particularly those operating at higher voltages:
- Lower Power Consumption: Operating at 3.3 V reduces power consumption, which is beneficial for battery-powered devices.
- Compatibility with Modern Electronics: Many modern microcontrollers and digital circuits operate at 3.3 V, making these EEPROMs a suitable choice for integration without additional voltage regulation.
Limitations
While 3.3 V EEPROMs are versatile, they do have limitations:
- Limited Write/Erase Cycles: Typically, EEPROMs can endure over 1,000,000 write/erase cycles, but this is still finite and can be a limitation for applications requiring constant data updates.
- Slower Write Speeds: Compared to other types of memory like RAM, EEPROMs have slower write speeds, which can be a bottleneck in time-sensitive applications.
Considerations
When considering the use of 3.3 V EEPROMs, several factors should be taken into account:
- Initial Costs: The cost of EEPROMs can vary based on density and package type, but they are generally affordable for most applications.
- Operating Expense: Due to their low power consumption, operating expenses are minimal, especially in battery-operated devices.
- Durability and Maintenance: EEPROMs are durable with a long lifespan, but their finite write/erase cycles mean that they may eventually require replacement in high-write applications.
- Accuracy: EEPROMs provide reliable data retention, but care must be taken to ensure data integrity during write operations, especially in environments with frequent power interruptions.
from Micross Components, Inc.
Memory Products Offered: MRAM. SRAM. nvSRAM. VRAM. SDRAM. UVEPROM. DRAM. EEPROM. FRAM. Flash [See More]
- Supply Voltage: 3.3V; 3.3
- Access Time: 250 to 300
- Density: 1024
- Package Type: 32CLCC, 32CSOJ, 32FP
from Microchip Technology, Inc.
Need more microcontroller pins for new features? Want to stay with a low pin-count microcontroller rather than switching to a more expensive one? Microchip ’s UNI/O ® bus serial EEPROM uses only one connection to the host microcontroller. This compares to two or three pins for I2C and... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 16
- Data Rate: 0
from Datakey
The IAX10.5Kb CryptoAuthentication ™ extended length memory token utilizes Microchip ’s ATECC608A CryptoAuthentication ™ IC, enabling embedded applications, like: • Secure storage/transfer of keys, certificates, passwords. • Secure credential with unique, read-only serial... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V; 2.0 to 5.5 V
- Data Retention: 10
- Density: 10
- Operating Range: Commercial; Industrial
from TT Semiconductor, Inc.
TT Memories is a division of Twilight Technology formed to support the memory marketplace from legacy technologies to state-of-the-art technologies. TT Memories manufactures devices and modules for the Commercial, Industrial, Aerospace, and Defense marketplaces. TT Memories also designs and... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V; 2.5-5.5V
- Operating Temperature: -55 to 125
- Density: 256
from Microchip Technology, Inc.
Need more microcontroller pins for new features? Want to stay with a low pin-count microcontroller rather than switching to a more expensive one? Microchip ’s UNI/O ® bus serial EEPROM uses only one connection to the host microcontroller. This compares to two or three pins for I2C and... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 16
- Data Rate: 0
from Datakey
The IAT10.5Kb CryptoAuthentication ™ memory token utilizes Microchip ’s ATECC608A CryptoAuthentication ™ IC, enabling embedded applications, like: • Secure storage/transfer of keys, certificates, passwords. • Secure credential with unique, read-only serial number. •... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V; 2.0 to 5.5 V
- Data Retention: 10
- Density: 10
- Operating Range: Commercial; Industrial
from Microchip Technology, Inc.
Need more microcontroller pins for new features? Want to stay with a low pin-count microcontroller rather than switching to a more expensive one? Microchip ’s UNI/O ® bus serial EEPROM uses only one connection to the host microcontroller. This compares to two or three pins for I2C and... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 1
- Data Rate: 0
from Datakey
For additional security, Datakey offers the Secure Memory line of tokens, featuring the Unique ID series and the CryptoMemory ® series. Secure Memory tokens are available with I2C interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Ultra-rugged Construction – SlimLine... [See More]
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Operating Range: Commercial; Industrial
- Density: 1 to 256
- Operating Temperature: -40 to 85
from Microchip Technology, Inc.
Need more microcontroller pins for new features? Want to stay with a low pin-count microcontroller rather than switching to a more expensive one? Microchip ’s UNI/O ® bus serial EEPROM uses only one connection to the host microcontroller. This compares to two or three pins for I2C and... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 2
- Data Rate: 0
from Datakey
For additional security, Datakey offers the Secure Memory line of tokens, featuring the Unique ID series and the CryptoMemory ® series. Secure Memory tokens are available with I2C interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Ultra-rugged Construction – SlimLine... [See More]
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Operating Range: Commercial; Industrial
- Density: 1 to 256
- Operating Temperature: -40 to 85
from Microchip Technology, Inc.
Need more microcontroller pins for new features? Want to stay with a low pin-count microcontroller rather than switching to a more expensive one? Microchip ’s UNI/O ® bus serial EEPROM uses only one connection to the host microcontroller. This compares to two or three pins for I2C and... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 4
- Data Rate: 0
from Datakey
For additional security, Datakey offers the Secure Memory line of keys, featuring the Unique ID series and the CryptoMemory ® series. Secure Memory keys are available with I2C interfaces and capacities from 1 Kb to 256 Kb. The keys feature: Ultra-rugged Construction – Serial Memory keys... [See More]
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Operating Range: Commercial; Industrial
- Density: 1 to 256
- Operating Temperature: -40 to 85
from Microchip Technology, Inc.
Need more microcontroller pins for new features? Want to stay with a low pin-count microcontroller rather than switching to a more expensive one? Microchip ’s UNI/O ® bus serial EEPROM uses only one connection to the host microcontroller. This compares to two or three pins for I2C and... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 8
- Data Rate: 0
from Datakey
Leveraging industry-standard serial EEPROM memory, Datakey offers Bar tokens with SPI, I2C or Microwire interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Ultra-rugged Construction – Bar memory tokens are solid over-molded using a durable composite, making them impervious to... [See More]
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Operating Range: Commercial; Industrial
- Density: 1 to 256
- Operating Temperature: -40 to 85
from Microchip Technology, Inc.
The Microchip Technology Inc. 24AA00/24LC00/ 24C00 (24XX00*) is a 128-bit Serial EEPROM organized as 16 x 8 with a 2-wire serial interface. Low-voltage design permits operation down to 1.8 volts for the 24AA00 version, and every version maintains a maximum standby current of only 1 µA and... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 0
- Data Rate: 0
from Datakey
Leveraging industry-standard serial EEPROM memory, Datakey offers Plug memory tokens with SPI, I2C or Microwire interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Foldable Stainless Steel Bail – The plug token's stainless steel bail is used to lock the token in place. The bail... [See More]
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Operating Range: Commercial; Industrial
- Density: 1 to 256
- Operating Temperature: -40 to 80
from Microchip Technology, Inc.
The Microchip Technology Inc. 24AA00/24LC00/ 24C00 (24XX00*) is a 128-bit Serial EEPROM organized as 16 x 8 with a 2-wire serial interface. Low-voltage design permits operation down to 1.7 volts for the 24AA00 version, and every version maintains a maximum standby current of only 1 µA and... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 0
- Data Rate: 0
from Datakey
Leveraging industry-standard serial EEPROM memory, Datakey offers Plug memory tokens with SPI, I2C or Microwire interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Foldable Stainless Steel Bail – The plug token's stainless steel bail is used to lock the token in place. The bail... [See More]
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Operating Range: Commercial; Industrial
- Density: 1 to 4
- Operating Temperature: -40 to 85
from Microchip Technology, Inc.
The Microchip 25AA128 is a 128 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 16,384 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial; Serial-SPI
- Density: 128
- Data Rate: 10
from Microchip Technology, Inc.
The Microchip 25LC128 is a 128 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 16,384 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial; Serial-SPI
- Density: 128
- Data Rate: 10
from Microchip Technology, Inc.
The Microchip Technology Inc. 24AA128 is a 16K x 8 (128 Kbit) Serial Electrically Erasable PROM (EEPROM), capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition. This device also... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 128
- Data Rate: 0
from Microchip Technology, Inc.
The Microchip Technology Inc. 24AA128/24LC128/ 24FC128 (24XX128*) is a 16K x 8 (128 Kbit) Serial Electrically Erasable PROM (EEPROM), capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 128
- Data Rate: 0
from Microchip Technology, Inc.
The Microchip AT24C128C is a 128Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 16K x 8 and is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 128
- Data Rate: 1
from Microchip Technology, Inc.
The Microchip Technology Inc. 24FC128 is a 16K x 8 (128 Kbit) Serial Electrically Erasable PROM (EEPROM), capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition. This device also... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 128
- Data Rate: 1
from Microchip Technology, Inc.
The Microchip AT25128B is a 128 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 16,384 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial; Serial-SPI
- Density: 128
- Data Rate: 20
from Microchip Technology, Inc.
The Microchip 25AA160C is a 16Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 2048 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial; Serial-SPI
- Density: 16
- Data Rate: 10
from Microchip Technology, Inc.
The Microchip 25AA160D is a 16 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 2048 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial; Serial-SPI
- Density: 16
- Data Rate: 10
from Microchip Technology, Inc.
The Microchip 25LC160C is a 16 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 2048 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial; Serial-SPI
- Density: 16
- Data Rate: 10
from Microchip Technology, Inc.
The Microchip 25LC160D is a 16 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 2048 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial; Serial-SPI
- Density: 16
- Data Rate: 10
from Microchip Technology, Inc.
The Microchip Technology Inc 47L16 EERAM is a 16Kbit SRAM with EEPROM Backup. The I2C EERAM Memory is a Low-Cost NVSRAM that Eliminates the Need for an External Battery to Retain Data. The device is organized as 2048 x 8 bits and utilizes the I2C serial interface. The 47L16 provides infinite read... [See More]
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V
- Bus Type: Serial
- Density: 16
- Data Rate: 1
from Microchip Technology, Inc.
The Microchip Technology Inc. 24AA16 is a 16Kb I2C ™ compatible Serial EEPROM. The device is organized as eight blocks of 256 x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 1.7V with standby and active currents of only 1 µA and 1 mA,... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 16
- Data Rate: 0
from Microchip Technology, Inc.
The Microchip Technology Inc. 24FC16 is a 16Kb I2C ™ compatible Serial EEPROM. The device is organized as eight blocks of 256 x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 1.7V, with standby and active currents of only 1 µA and 1 mA,... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 16
- Data Rate: 1
from Microchip Technology, Inc.
The Microchip Technology Inc. 24AA16/24LC16B is a 16Kb I2C ™ compatible Serial EEPROM. The device is organized as eight blocks of 256 x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 1.7V with standby and active currents of only 1 µA and 1 mA,... [See More]
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 16
- Data Rate: 0
from Microchip Technology, Inc.
The Microchip AT24C16C is a 16Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 2K x 8 and is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V
- Bus Type: Serial
- Density: 16
- Data Rate: 1
from Microchip Technology, Inc.
The Microchip AT24C16D is a 16 Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 2,048 x 8 and is optimized for use in industrial and consumer applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is... [See More]
- Supply Voltage: 1.8V; 2.5V; 2.7V; 3V; 3.3V; 3.6V
- Bus Type: Serial
- Density: 16
- Data Rate: 1