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. 170-4332
Mfr. Part No.24LC512T-I/SM
BrandMicrochip
MYR6.758
Each (On a Reel of 2100)
units
32kbit Serial-I2C SOIC Surface Mount 8 4k x 8 bit 2.5 V 5.5 V 2.5 → 5.5V 8bit 4.9 x 3.9 x 1.5mm - >200yr +85 °C
RS Stock No. 920-6248
Mfr. Part No.M24LR64E-RMN6T/2
MYR4.423
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. 165-7737
Mfr. Part No.M24C04-WMN6TP
MYR0.344
Each (On a Reel of 2500)
units
4kbit Serial-I2C SOIC Surface Mount 8 512 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. 686-2289
Mfr. Part No.M95640-WMN6TP
MYR1.344
Each (In a Pack of 10)
units
64kbit 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. 168-6811
Mfr. Part No.M24C02-WMN6P
MYR0.355
Each (In a Tube of 100)
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. 178-4007
Mfr. Part No.24FC256-I/MS
BrandMicrochip
MYR4.141
Each (In a Tube of 100)
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. 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
MYR0.537
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. 889-5480
Mfr. Part No.24LC512-I/SN
BrandMicrochip
MYR6.705
Each (In a Tube of 100)
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. 165-5310
Mfr. Part No.M95M02-DRMN6TP
MYR5.998
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. 687-9085
Mfr. Part No.24LC128-I/ST
BrandMicrochip
MYR3.90
Each
units
128kbit Serial-I2C TSSOP Surface Mount 8 16K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 3 x 4.4 x 1mm - 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
RS Stock No. 178-4022
Mfr. Part No.24LC128-I/ST
BrandMicrochip
MYR2.909
Each (In a Tube of 100)
units
128kbit Serial-I2C TSSOP Surface Mount 8 16K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 3 x 4.4 x 1mm - 200yr +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. 912-6930
Mfr. Part No.24FC1025-I/SN
BrandMicrochip
MYR14.741
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. 686-2419
Mfr. Part No.M24C04-WMN6TP
MYR0.434
Each (In a Pack of 25)
units
4kbit Serial-I2C SOIC Surface Mount 8 512 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. 145-9422
Mfr. Part No.M24C02-WMN6TP
MYR0.333
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. 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. 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. 667-8173
Mfr. Part No.24FC256-I/MS
BrandMicrochip
MYR4.142
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