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. 608-5625
Mfr. Part No.M95640-WMN6P
MYR1.53
Each
units
64kbit Serial-SPI SOIC Surface Mount 8 8K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 703-7961
Mfr. Part No.24LC512-I/SN
BrandMicrochip
MYR7.22
Each
units
512kbit Serial-I2C SOIC Surface Mount 8 64K x 8 bit 2.5 V 5.5 V 3.3 V, 5 V 8bit 4.9 x 3.9 x 1.75mm - >200yr +85 °C
RS Stock No. 145-9422
Mfr. Part No.M24C02-WMN6TP
MYR0.445
Each (On a Reel of 2500)
units
2kbit Serial-I2C SOIC Surface Mount 8 256 x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 829-2724
Mfr. Part No.M24LR64E-RMN6T/2
MYR7.40
Each (In a Pack of 5)
units
64kbit Serial-2 Wire, Serial-I2C SOIC Surface Mount 8 2048 x 32 bit 1.8 V 5.5 V - 32bit 5 x 4 x 1.5mm - 40yr +85 °C
RS Stock No. 714-0843
Mfr. Part No.M24C02-WMN6P
MYR0.544
Each (In a Pack of 20)
units
2kbit Serial-I2C SOIC Surface Mount 8 256 x 8 bit 2.5 V 5.5 V 3.3 V, 5 V 8bit 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 823-0981
Mfr. Part No.25C160/SN
BrandMicrochip
MYR3.812
Each (In a Pack of 10)
units
16kbit Serial-SPI SOIC Surface Mount 8 2048 x 8 4.5 V 5.5 V 4.5 → 5.5V 8bit 5 x 3.99 x 1.55mm - >200yr +85 °C
RS Stock No. 687-9401
Mfr. Part No.24FC1025-I/SN
BrandMicrochip
MYR15.62
Each
units
1Mbit Serial-2 Wire SOIC Surface Mount 8 128 x 8 bit 1.7 V 5.5 V - - 4.9 x 3.9 x 1.25mm - 200yr +85 °C
RS Stock No. 823-0748
Mfr. Part No.93C76-E/SN
BrandMicrochip
MYR4.599
Each (In a Pack of 10)
units
8 kbit, 16 kbit Serial-3 Wire SOIC Surface Mount 8 1024 x 8/512 x 16 4.5 V 5.5 V 4.5 → 5.5V 8/16bit 5 x 3.99 x 1.55mm - >200yr +125 °C
RS Stock No. 912-6930
Mfr. Part No.24FC1025-I/SN
BrandMicrochip
MYR14.916
Each (In a Tube of 100)
units
1Mbit Serial-2 Wire SOIC Surface Mount 8 128 x 8 bit 1.7 V 5.5 V - - 4.9 x 3.9 x 1.25mm - 200yr +85 °C
RS Stock No. 920-6248
Mfr. Part No.M24LR64E-RMN6T/2
MYR4.475
Each (On a Reel of 2500)
units
64kbit Serial-2 Wire, Serial-I2C SOIC Surface Mount 8 2048 x 32 bit 1.8 V 5.5 V - 32bit 5 x 4 x 1.5mm - 40yr +85 °C
RS Stock No. 889-5724
Mfr. Part No.24LC512-I/SM
BrandMicrochip
MYR6.853
Each (In a Tube of 90)
units
512kbit Serial-I2C SOIJ Surface Mount 8 64K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 5.21 x 5.28 x 1.88mm - 200yr +85 °C
RS Stock No. 880-5351
Mfr. Part No.M95M02-DRMN6TP
MYR8.71
Each (In a Pack of 5)
units
2Mbit Serial-SPI SOIC Surface Mount 8 262144 x 8 bit 1.8 V 5.5 V - 8bit 5 x 4 x 1.25mm - 200yr +85 °C
RS Stock No. 178-4067
Mfr. Part No.93C76-E/SN
BrandMicrochip
MYR4.44
Each (In a Tube of 100)
units
8 kbit, 16 kbit Serial-3 Wire SOIC Surface Mount 8 1024 x 8/512 x 16 4.5 V 5.5 V 4.5 → 5.5V 8/16bit 5 x 3.99 x 1.55mm - >200yr +125 °C
RS Stock No. 667-8173
Mfr. Part No.24FC256-I/MS
BrandMicrochip
MYR4.19
Each (In a Pack of 5)
units
256kbit Serial-I2C MSOP Surface Mount 8 32K x 8 bit 1.7 V 5.5 V 1.7 → 5.5V - 3 x 3 x 0.85mm - 200yr +85 °C
RS Stock No. 178-3983
Mfr. Part No.25LC1024-E/SM
BrandMicrochip
MYR15.621
Each (In a Tube of 90)
units
1Mbit SPI SOIJ Surface Mount 8 128 x 8 bit 2.5 V 5.5 V 2.5 → 5.5V 8bit 5.26 x 5.25 x 1.98mm - 200yr +125 °C
RS Stock No. 168-6299
Mfr. Part No.M95640-WMN6P
MYR1.173
Each (In a Tube of 100)
units
64kbit Serial-SPI SOIC Surface Mount 8 8K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 686-2429
Mfr. Part No.M24C02-WMN6TP
MYR17.30
Each (In a Pack of 25)
units
2kbit Serial-I2C SOIC Surface Mount 8 256 x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 824-6336
Mfr. Part No.24LC16BH-I/P
BrandMicrochip
MYR1.617
Each (In a Pack of 20)
units
16kbit Serial-2 Wire PDIP Through Hole 8 256 x 8 bit 2.5 V 5.5 V - 8bit 0.4 x 0.28 x 0.195in - 200yr +85 °C
RS Stock No. 165-5310
Mfr. Part No.M95M02-DRMN6TP
MYR8.511
Each (On a Reel of 2500)
units
2Mbit Serial-SPI SOIC Surface Mount 8 262144 x 8 bit 1.8 V 5.5 V - 8bit 5 x 4 x 1.25mm - 200yr +85 °C
RS Stock No. 178-4976
Mfr. Part No.24LC16BH-I/P
BrandMicrochip
MYR1.499
Each (In a Tube of 60)
units
16kbit Serial-2 Wire PDIP Through Hole 8 256 x 8 bit 2.5 V 5.5 V - 8bit 0.4 x 0.28 x 0.195in - 200yr +85 °C