EEPROM

EEPROM is short for Electrically Erasable Programmable Read-Only Memory. It is a non-volatile memory used in devices that are required to hold small amounts of data within a circuit in a compact package. Non-volatile data is able to be erased and reprogrammed.

The read-only memory or ROM can be erased and reprogrammed through the application of electrical voltages. EEPROM chips can be modified whilst still in a computer system and their non-volatile functionality means the memory can be retrieved even after the device or computer has been turned off and back on again.

Where is EEPROM memory used?

EEPROM devices are found in computers, microcontrollers and remote keyless systems to name a few. Flash Memory is another type of EEPROM which is commonly used in applications such as USB sticks.

EEPROM Interface Types:

  • Serial EEPROM ICs use interfaces such as SPI or I2C. They often feature lower current consumption and voltage. They are also often smaller as can utilise packages with 8 pins or less.
  • Parallel EEPROM ICs offer better memory density and AC performance. It is often quicker than EEPROM but usually has a higher number of pins.

Benefits to EEPROM Memory

There are many benefits to using EEPROM memory in a computer or electronic device. The ability to erase the entire contents of an EEPROM chip as well as being able to erase single bytes per section is invaluable. As well, a variety of interfaces are available for EEPROM with both serial and parallel buses. Programming capabilities of EEPROM are easy and efficient while being programmable without removing from a device board or testing set up.


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Description Price Memory Size Interface Type Package Type Mounting Type Pin Count Organisation Minimum Operating Supply Voltage Maximum Operating Supply Voltage Programming Voltage Number of Bits per Word Dimensions Automotive Standard Data Retention Maximum Operating Temperature
RS Stock No. 781-4708
Mfr. Part No.CAT24C02TDI-GT3A
€0.103
Each (In a Pack of 20)
units
2kbit Serial-I2C TSOT-23 Surface Mount 5 256 x 8 bit 1.7 V 5.5 V - 8bit 2.9 x 1.6 x 0.9mm - 100yr +85 °C
RS Stock No. 122-0154
Mfr. Part No.CAT24C02TDI-GT3A
€0.075
Each (On a Reel of 3000)
units
2kbit Serial-I2C TSOT-23 Surface Mount 5 256 x 8 bit 1.7 V 5.5 V - 8bit 2.9 x 1.6 x 0.9mm - 100yr +85 °C
RS Stock No. 755-9877
Mfr. Part No.CAV24C04WE-GT3
€0.31
Each (On a Tape of 5)
units
4kB Serial-I2C SOIC Surface Mount 8 512 x 8 2.5 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +125 °C
RS Stock No. 185-8150
Mfr. Part No.NV25640DWHFT3G
€0.666
Each (On a Reel of 3000)
units
64kbit SPI SOIC Surface Mount 8 8k x 8 bit 2.5 V 5.5 V - 8bit 5 x 4 x 1.5mm AEC-Q100 200yr +150 °C
RS Stock No. 163-0877
Mfr. Part No.CAT24C128YI-GT3
€0.122
Each (On a Reel of 3000)
units
128kbit Serial-I2C TSSOP Surface Mount 8 16K x 8 bit 1.8 V 5.5 V - 8bit 4.5 x 3.1 x 1.05mm - 100yr +85 °C
RS Stock No. 781-4792
Mfr. Part No.CAT24C208WI-G
€0.97
Each (In a Pack of 2)
units
8kbit Serial-I2C SOIC Surface Mount 8 1K x 8 bit 2.5 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +85 °C
RS Stock No. 186-9820
Mfr. Part No.CAT25256YI-G
€0.818
Each (In a Pack of 10)
units
256kbit - TSSOP Surface Mount 8 32k x 8 bit 1.8 V 5.5 V - 8bit 3.1 x 4.5 x 1.05mm AEC-Q100 100yr +85 °C
RS Stock No. 755-9880
Mfr. Part No.CAV24C08WE-GT3
€0.346
Each (In a Pack of 5)
units
8kB Serial-I2C SOIC Surface Mount 8 1K x 8 bit 2.5 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +125 °C
RS Stock No. 163-0878
Mfr. Part No.CAT24C16WI-GT3JN
€0.147
Each (On a Reel of 3000)
units
16kbit Serial-I2C SOIC Surface Mount 8 2K x 8 bit 1.7 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +85 °C
RS Stock No. 781-5039
Mfr. Part No.CAV25640VE-GT3
€0.682
Each (In a Pack of 5)
units
64kbit Serial-SPI SOIC Surface Mount 8 8K x 8 bit 2.5 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +125 °C
RS Stock No. 163-0867
Mfr. Part No.CAT24AA04TDI-GT3
€0.118
Each (On a Reel of 3000)
units
4kbit Serial-I2C TSOT-23 Surface Mount 5 512 x 8 bit 1.7 V 5.5 V - 8bit 2.9 x 1.6 x 0.9mm - 100yr +85 °C
RS Stock No. 163-0893
Mfr. Part No.CAT25256VI-GT3
€0.246
Each (On a Reel of 3000)
units
256kbit Serial-SPI SOIC Surface Mount 8 32K x 8 bit 1.8 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +85 °C
RS Stock No. 163-2372
Mfr. Part No.CAT24C16WI-GT3
€0.087
Each (On a Reel of 3000)
units
16kbit Serial-I2C SOIC Surface Mount 8 2K x 8 bit 1.7 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +85 °C
RS Stock No. 163-0880
Mfr. Part No.CAT24C256YI-GT3
€0.183
Each (On a Reel of 3000)
units
256kbit Serial-I2C TSSOP Surface Mount 8 32K x 8 bit 1.8 V 5.5 V - 8bit 4.5 x 3.1 x 1.05mm - 100yr +85 °C
RS Stock No. 781-4897
Mfr. Part No.CAT25256XI-T2
€0.692
Each (On a Tape of 5)
units
256kbit Serial-SPI SOIC Surface Mount 8 32K x 8 bit 1.8 V 5.5 V - 8bit 5.38 x 5.33 x 1.78mm - 100yr +85 °C
RS Stock No. 781-4828
Mfr. Part No.CAT24C32WI-GT3
€0.148
Each (In a Pack of 20)
units
32kbit Serial-I2C SOIC Surface Mount 8 4k x 8 bit 1.7 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +85 °C
RS Stock No. 781-4890
Mfr. Part No.CAT25256VI-GT3
€0.24
Each (In a Pack of 10)
units
256kbit Serial-SPI SOIC Surface Mount 8 32K x 8 bit 1.8 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +85 °C
RS Stock No. 163-0871
Mfr. Part No.CAT24C04HU4I-GT3
€0.177
Each (On a Reel of 3000)
units
4kbit Serial-I2C UDFN Surface Mount 8 512 x 8 bit 1.7 V 5.5 V - 8bit 3.05 x 2.05 x 0.5mm - 100yr +85 °C
RS Stock No. 185-8147
Mfr. Part No.NV25080DWHFT3G
€0.298
Each (On a Reel of 3000)
units
8kbit SPI SOIC Surface Mount 8 1k x 8 bit 2.5 V 5.5 V - 8bit 5 x 4 x 1.5mm AEC-Q100 200yr +150 °C
RS Stock No. 121-6322
Mfr. Part No.CAT25128VI-GT3
€0.281
Each (On a Reel of 3000)
units
128kbit Serial-SPI SOIC Surface Mount 8 16K x 8 bit 1.8 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +85 °C