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. 177-1859
Mfr. Part No.AT17LV010-10PU
BrandMicrochip
MYR62.75
Each
units
1Mbit 2-Wire PDIP Through Hole 8 1048576 Word x 1 bit 3 V 5.5 V - 1bit 10.16 x 7.11 x 4.95mm - 90yr +85 °C
RS Stock No. 177-1711
Mfr. Part No.47L16-E/SN
BrandMicrochip
MYR3.542
Each (In a Pack of 10)
units
16kbit Serial-I2C SOIC Surface Mount 8 2048 Word x 8 bit 2.7 V 3.6 V - 8bit 4.9 x 3.9 x 1.5mm - 200yr +125 °C
RS Stock No. 823-1227
Mfr. Part No.24LC08BT-E/OT
BrandMicrochip
MYR1.497
Each (In a Pack of 20)
units
8kbit Serial-I2C SOT-23 Surface Mount 5 256 x 8 2.5 V 5.5 V 2.5 → 5.5V 8bit 3.1 x 1.8 x 1.3mm - >200yr +125 °C
RS Stock No. 187-9415
Mfr. Part No.24FC02T-I/MUY
BrandMicrochip
MYR0.797
Each (On a Reel of 5000)
units
2kbit Serial-2 Wire UDFN Surface Mount 8 256 x 8 bit 1.7 V 5.5 V 1.7 → 5.5V 8bit 2 x 3 x 0.55mm AEC-Q100 >200yr +85 °C
RS Stock No. 185-0677
Mfr. Part No.BR24G64FVM-5TR
BrandROHM
MYR2.189
Each (In a Pack of 25)
units
64kbit Serial-2 Wire, Serial-I2C MSOP Surface Mount 8 8K x 8 bit 1.6 V 5.5 V 1.6 → 5.5V 8bit 2.9 x 2.8 x 0.75mm - 200yr +85 °C
RS Stock No. 188-0155
Mfr. Part No.24FC04T-I/MUY
BrandMicrochip
MYR0.966
Each (In a Pack of 50)
units
4kbit Serial-2 Wire UDFN Surface Mount 8 256 x 8 bit 1.7 V 5.5 V 1.7 → 5.5V 8bit 2 x 3 x 0.55mm AEC-Q100 >200yr +85 °C
RS Stock No. 127-8189
Mfr. Part No.AT93C46E-PU
BrandMicrochip
MYR1.882
Each (In a Pack of 25)
units
1kbit Serial-3 Wire PDIP Through Hole 8 64 x 16 bit 1.8 V 5.5 V - 16bit 10.16 x 7.11 x 4.95mm - 100yr +85 °C
RS Stock No. 823-3393
Mfr. Part No.93LC66B-E/P
BrandMicrochip
MYR1.595
Each (In a Pack of 20)
units
4kB Serial-Microwire PDIP Through Hole 8 256 x 16 bit 2.5 V 5.5 V - 16bit 0.4 x 0.28 x 0.195in - 200yr +125 °C
RS Stock No. 190-7567
Mfr. Part No.M24C64-FCS6TP/K
MYR1.895
Each (In a Pack of 25)
units
64kbit Serial-I2C WLCSP Surface Mount 5 8 K x 8 1.7 V 5.5 V - 8bit 1.07 x 1.16 x 0.35mm - 200yr +85 °C
RS Stock No. 781-4815
Mfr. Part No.CAT24C32HU4I-GT3
MYR2.16
Each (In a Pack of 10)
units
32kbit Serial-I2C UDFN Surface Mount 8 4k x 8 bit 1.7 V 5.5 V - 8bit 3.05 x 2.05 x 0.5mm - 100yr +85 °C
RS Stock No. 889-5777
Mfr. Part No.24LC64-I/SN
BrandMicrochip
MYR1.996
Each (In a Tube of 100)
units
64kbit Serial-I2C 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 - 200yr +85 °C
RS Stock No. 190-7652
Mfr. Part No.M24C16-WDW6TP
MYR0.643
Each (In a Pack of 50)
units
16kbit Serial-I2C TSSOP Surface Mount 8 2 K x 8 2.5 V 5.5 V - 8bit 3.1 x 4.5 x 1.05mm - 100yr +85 °C
RS Stock No. 185-0618
Mfr. Part No.BR25G128NUX-3TR
BrandROHM
MYR3.14
Each (In a Pack of 10)
units
128kbit SPI 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 - 100yr +85 °C
RS Stock No. 127-2679
Mfr. Part No.AT17LV256-10PU
BrandMicrochip
MYR39.83
Each
units
256kbit Serial-2 Wire PDIP Through Hole 8 256K x 1 bit 3 V 5.5 V - 1bit 10.16 x 7.11 x 4.95mm - 90yr +85 °C
RS Stock No. 803-2106
Mfr. Part No.24AA02UID-I/SN
BrandMicrochip
MYR1.048
Each (In a Pack of 50)
units
2kbit Serial-2 Wire SOIC Surface Mount 8 128 x 8 bit 1.7 V 5.5 V - 8bit 4.9 x 3.9 x 1.5mm - 200yr +85 °C
RS Stock No. 667-8148
Mfr. Part No.24AA02E48T-I/OT
BrandMicrochip
MYR1.099
Each (In a Pack of 10)
units
2kbit Serial-I2C SOT-23 Surface Mount 5 256 x 8 bit 1.7 V 5.5 V 1.7 → 5.5V - 3.1 x 1.8 x 1.3mm - 200yr +85 °C
RS Stock No. 178-5297
Mfr. Part No.24LC01BT-I/OT
BrandMicrochip
MYR0.93
Each (On a Reel of 3000)
units
1kbit Serial-I2C SOT-23 Surface Mount 5 128 x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 3.1 x 1.8 x 1.3mm - 200yr +85 °C
RS Stock No. 196-1986
Mfr. Part No.M24M01-RMN6P
MYR6.606
Each (In a Tube of 100)
units
1Mbit Serial SO Surface Mount 8 128 K x 8 bits 1.8 V 5.5 V - - 5 x 4 x 1.5mm - - +130 °C
RS Stock No. 163-2381
Mfr. Part No.CAV24C08WE-GT3
MYR1.116
Each (On a Reel of 3000)
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. 122-0154
Mfr. Part No.CAT24C02TDI-GT3A
MYR0.46
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