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. 178-5271
Mfr. Part No.93LC46B-I/P
BrandMicrochip
€0.22
Each (On a Reel of 2000)
units
1kbit Serial-Microwire PDIP Through Hole 8 64 x 16 bit 2.5 V 5.5 V - - 9.27 x 6.35 x 3.3mm - 200yr +85 °C
RS Stock No. 454-218
Mfr. Part No.93LC46B-I/P
BrandMicrochip
€0.265
Each (In a Pack of 20)
units
1kbit Serial-Microwire PDIP Through Hole 8 64 x 16 bit 2.5 V 5.5 V - - 9.27 x 6.35 x 3.3mm - 200yr +85 °C
RS Stock No. 714-7585
Mfr. Part No.M24M01-RMN6TP
€0.825
Each (In a Pack of 2)
units
1Mbit Serial-I2C SOIC Surface Mount 8 128 x 8 bit 1.8 V 5.5 V 1.7 → 5.5V - 5 x 4 x 1.25mm - 40yr +85 °C
RS Stock No. 920-6250
Mfr. Part No.M24M01-RMN6TP
€0.546
Each (On a Reel of 2500)
units
1Mbit Serial-I2C SOIC Surface Mount 8 128 x 8 bit 1.8 V 5.5 V 1.7 → 5.5V - 5 x 4 x 1.25mm - 40yr +85 °C
RS Stock No. 920-6257
Mfr. Part No.M24C02-WDW6TP
€0.043
Each (On a Reel of 4000)
units
2kbit Serial-I2C TSSOP Surface Mount 8 256 x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 3 x 4.4 x 1mm - 40yr +85 °C
RS Stock No. 686-2374
Mfr. Part No.M24C02-WDW6TP
€0.044
Each (In a Pack of 25)
units
2kbit Serial-I2C TSSOP Surface Mount 8 256 x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 3 x 4.4 x 1mm - 40yr +85 °C
RS Stock No. 823-1249
Mfr. Part No.24LC32A/SN
BrandMicrochip
€0.261
Each (In a Pack of 20)
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 -
RS Stock No. 826-1672
Mfr. Part No.24LC32A/SN
BrandMicrochip
€0.264
Each (In a Tube of 100)
units
32kbit Serial-2 Wire, Serial-I2C SOIC Surface Mount 8 4k x 8 bit 2.5 V 5.5 V - 8bit 4.9 x 3.9 x 1.5mm - 200yr +85 °C
RS Stock No. 165-7477
Mfr. Part No.M24512-RMN6TP
€0.31
Each (On a Reel of 2500)
units
512kbit Serial-I2C SOIC Surface Mount 8 64K x 8 bit 1.8 V 5.5 V - - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 168-7603
Mfr. Part No.M95512-RMN6P
€0.452
Each (In a Tube of 100)
units
512kbit SPI SOIC Surface Mount 8 65536 x 8 1.8 V 5.5 V - 8bit 5 x 4 x 1.5mm - 200yr +85 °C
RS Stock No. 168-5793
Mfr. Part No.M24512-RMN6P
€0.393
Each (In a Tube of 100)
units
512kbit Serial-I2C SOIC Surface Mount 8 64K x 8 bit 1.8 V 5.5 V - - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 178-4919
Mfr. Part No.24LC64-I/P
BrandMicrochip
€0.364
Each (In a Tube of 50)
units
64kbit Serial-I2C PDIP Through Hole 8 8K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 9.4 x 6.35 x 3.3mm - 200yr +85 °C
RS Stock No. 823-1176
Mfr. Part No.24AA1025-I/SN
BrandMicrochip
€2.665
Each (In a Pack of 2)
units
1024kbit Serial-I2C SOIC Surface Mount 8 128 x 8 bit 1.7 V 5.5 V 1.7 → 5.5V 8bit 4.9 x 3.9 x 1.5mm - >200yr +85 °C
RS Stock No. 454-331
Mfr. Part No.24LC256-I/SN
BrandMicrochip
€0.712
Each (In a Pack of 5)
units
256kbit Serial-I2C SOIC Surface Mount 8 32K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 4.9 x 3.9 x 1.25mm - 200yr +85 °C
RS Stock No. 889-5229
Mfr. Part No.25LC256-I/SN
BrandMicrochip
€0.952
Each (In a Tube of 100)
units
256kbit Serial-SPI SOIC Surface Mount 8 32K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 4.9 x 3.9 x 1.25mm - 200yr +85 °C
RS Stock No. 134-532
Mfr. Part No.M95128-WMN6P
€0.37
Each (In a Pack of 5)
units
128kbit Serial-SPI SOIC Surface Mount 8 16K 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. 880-5333
Mfr. Part No.M24M02-DRMN6TP
€1.812
Each (In a Pack of 5)
units
2Mbit Serial-I2C SOIC Surface Mount 8 256K x 8 bit 1.8 V 5.5 V - 8bit 5 x 4 x 1.25mm - 200yr +85 °C
RS Stock No. 920-6263
Mfr. Part No.M95128-WMN6P
€0.292
Each (In a Tube of 100)
units
128kbit Serial-SPI SOIC Surface Mount 8 16K 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. 454-410
Mfr. Part No.24LC16B-I/P
BrandMicrochip
€0.316
Each (In a Pack of 10)
units
16kbit Serial-I2C PDIP Through Hole 8 8 Block x 256 x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 9.4 x 6.35 x 3.3mm - 200yr +85 °C
RS Stock No. 165-5307
Mfr. Part No.M24M02-DRMN6TP
€1.301
Each (On a Reel of 2500)
units
2Mbit Serial-I2C SOIC Surface Mount 8 256K x 8 bit 1.8 V 5.5 V - 8bit 5 x 4 x 1.25mm - 200yr +85 °C