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. 463-7088
Mfr. Part No.BR24L04F-WE2
BrandROHM
£0.306
Each (In a Pack of 5)
Units
4kbit Serial-I2C SOP Surface Mount 8 512 x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 5 x 4.4 x 1.5mm - 40yr +85 °C
RS Stock No. 463-7094
Mfr. Part No.BR24L08F-WE2
BrandROHM
£0.412
Each (In a Pack of 5)
Units
8kbit Serial-I2C SOP Surface Mount 8 1K x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 5 x 4.4 x 1.5mm - 40yr +85 °C
RS Stock No. 640-4644
Mfr. Part No.BR93L76F-WE2
BrandROHM
£0.434
Each (In a Pack of 5)
Units
8kbit Serial-Microwire SOP Surface Mount 8 512 x 16 bit 1.8 V 5.5 V 1.8 → 5.5V - 5 x 4.4 x 1.5mm - 40yr +85 °C
RS Stock No. 463-7139
Mfr. Part No.BR24L64F-WE2
BrandROHM
£0.806
Each (In a Pack of 5)
Units
64kbit Serial-2 Wire SOP Surface Mount 8 8K x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 5 x 4.4 x 1.5mm - 40yr +85 °C
RS Stock No. 131-2741
Mfr. Part No.BR24T256FJ-WE2
BrandROHM
£0.475
Each (In a Pack of 10)
Units
256kbit Serial-I2C SOP-J Surface Mount 8 32K x 8 bit 1.6 V 5.5 V - 8bit 4.9 x 3.9 x 1.37mm - Minimum of 40yr +85 °C
RS Stock No. 131-2738
Mfr. Part No.BR24G32FJ-3GTE2
BrandROHM
£0.269
Each (In a Pack of 10)
Units
32kbit Serial-I2C SOP-J Surface Mount 8 4096 x 8 bit 1.6 V 5.5 V - 8bit 4.9 x 3.9 x 1.37mm - Minimum of 40yr +85 °C
RS Stock No. 131-2746
Mfr. Part No.BR25G320FVT-3GE2
BrandROHM
£0.41
Each (In a Pack of 10)
Units
32kbit Serial-SPI TSSOP-B Surface Mount 8 4k x 8 bit 1.6 V 5.5 V - 8bit 4.4 x 3 x 1mm - Minimum of 100yr +85 °C
RS Stock No. 640-4622
Mfr. Part No.BR25L320F-WE2
BrandROHM
£1.118
Each (In a Pack of 5)
Units
32kbit SPI SOP Surface Mount 8 4k x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 5 x 4.4 x 1.5mm - 40yr +85 °C
RS Stock No. 640-4593
Mfr. Part No.BR25L040F-WE2
BrandROHM
£0.52
Each (In a Pack of 5)
Units
4kbit SPI SOP Surface Mount 8 512 x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 5 x 4.4 x 1.5mm - 40yr +85 °C
RS Stock No. 185-0732
Mfr. Part No.BR24G128NUX-5TR
BrandROHM
£0.359
Each (In a Pack of 10)
Units
128kbit Serial-2 Wire, Serial-I2C VSON008X2030 Surface Mount 8 16K x 8 bit 1.6 V 5.5 V 1.6 → 5.5V 8bit 2 x 3 x 0.6mm - 200yr +85 °C
RS Stock No. 185-0736
Mfr. Part No.BR24G02FVJ-3GTE2
BrandROHM
£0.189
Each (In a Pack of 25)
Units
2kbit Serial-2 Wire, Serial-I2C TSSOP-BJ Surface Mount 8 256 x 8 bit 1.6 V 5.5 V 1.6 → 5.5V 8bit 3 x 3 x 0.85mm - 40yr +85 °C
RS Stock No. 185-0739
Mfr. Part No.BR25S320NUX-WTR
BrandROHM
£0.437
Each (In a Pack of 10)
Units
32kbit SPI VSON008X2030 Surface Mount 8 4K x 8 bit 1.7 V 5.5 V 1.7 → 5.5V 8bit 2 x 3 x 0.6mm - 40yr +85 °C
RS Stock No. 185-0786
Mfr. Part No.BR24G64F-5E2
BrandROHM
£0.308
Each (In a Pack of 25)
Units
64kbit Serial-2 Wire, Serial-I2C SOP Surface Mount 8 8K x 8 bit 1.6 V 5.5 V 1.6 → 5.5V 8bit 5 x 4.4 x 1.5mm - 200yr +85 °C
RS Stock No. 185-0742
Mfr. Part No.BR24T16FVM-WTR
BrandROHM
£0.265
Each (In a Pack of 25)
Units
16kbit Serial-2 Wire, Serial-I2C MSOP Surface Mount 8 2K x 8 bit 1.6 V 5.5 V 1.6 → 5.5V 8bit 2.9 x 2.8 x 0.75mm - 40yr +85 °C
RS Stock No. 185-0789
Mfr. Part No.BR24L16FVJ-WE2
BrandROHM
£0.381
Each (In a Pack of 10)
Units
16kbit Serial-2 Wire, Serial-I2C TSSOP-BJ Surface Mount 8 2K x 8 bit 1.7 V 5.5 V 1.7 → 5.5V 8bit 3 x 3 x 0.85mm - 40yr +85 °C
RS Stock No. 185-0745
Mfr. Part No.BR24G32NUX-3TTR
BrandROHM
£0.243
Each (In a Pack of 25)
Units
32kbit Serial-2 Wire, Serial-I2C VSON008X2030 Surface Mount 8 4K x 8 bit 1.6 V 5.5 V 1.6 → 5.5V 8bit 2 x 3 x 0.6mm - 40yr +85 °C
RS Stock No. 185-0792
Mfr. Part No.BR24G04FVT-3GE2
BrandROHM
£0.176
Each (In a Pack of 25)
Units
4kbit Serial-2 Wire, Serial-I2C TSSOP-B Surface Mount 8 512 x 8 bit 1.6 V 5.5 V 1.6 → 5.5V 8bit 3 x 4.4 x 1mm - 40yr +85 °C
RS Stock No. 185-0748
Mfr. Part No.BR24L02FVT-WE2
BrandROHM
£0.393
Each (In a Pack of 10)
Units
2kbit Serial-2 Wire, Serial-I2C TSSOP-B Surface Mount 8 256 x 8 bit 1.7 V 5.5 V 1.7 → 5.5V 8bit 3 x 4.4 x 1mm - 40yr +85 °C
RS Stock No. 185-0795
Mfr. Part No.BR93G86F-3AGTE2
BrandROHM
£0.348
Each (In a Pack of 25)
Units
16kbit Serial-Microwire SOP Surface Mount 8 1K x 16 bit 1.7 V 5.5 V 1.7 → 5.5V 16bit 5 x 4.4 x 1.5mm - 40yr +85 °C
RS Stock No. 185-0798
Mfr. Part No.BR24G256FJ-3GTE2
BrandROHM
£0.527
Each (In a Pack of 10)
Units
256kbit Serial-2 Wire, Serial-I2C SOP-J Surface Mount 8 32K x 8 bit 1.6 V 5.5 V 1.6 → 5.5V 8bit 4.9 x 3.9 x 1.37mm - 40yr +85 °C