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. 190-6277
Mfr. Part No.DS2408S+T&R
SGD5.786
Each (On a Reel of 2500)
units
64bit 1-Wire SOIC Surface Mount 16 - 2.8 V 5.25 V - - 10 x 4 x 1.5mm - - +85 °C
RS Stock No. 189-9456
Mfr. Part No.DS2431X-S+
SGD2.182
Each (In a Pack of 5)
units
1kbit Serial-1 Wire UCSPR Surface Mount 3 4 Pages x 256 2.8 V 5.25 V - 256bit 1.68 x 1.68 x 0.38mm - 40yr +85 °C
RS Stock No. 189-7474
Mfr. Part No.DS1973-F5+
SGD7.663
Each (In a Bag of 100)
units
4kbit Serial-1 Wire F5 MicroCan - 2 16 Pages x 256 bit 2.8 V 6 V 2.8 → 6V - 17.35 x 17.35 x 5.89mm - - +85 °C
RS Stock No. 191-4791
Mfr. Part No.DS28E15P+
SGD2.034
Each (In a Pack of 10)
units
512bit 1-Wire TSOC Surface Mount 6 2 Page x 256 bit 2.97 V 3.63 V - 256bit 4 x 3.89 x 1.34mm - 10 (Minimum)yr +85 °C
RS Stock No. 146-1278
Mfr. Part No.DS24B33S+
SGD3.99
Each (In a Tube of 88)
units
4kbit Serial-1 Wire SOIC Surface Mount 8 16 Page x 256 bit 2.8 V 5.25 V - 256bit 5.46 x 5.41 x 2.03mm - 40yr +85 °C
RS Stock No. 190-6279
Mfr. Part No.DS2431P-A1+
SGD4.41
Each (In a Pack of 5)
units
1024bit 1-Wire TSOC Surface Mount 6 4M x 256 bit 4.5 V 5.25 V - 256bit 4 x 3.89 x 1.348mm - 10 (min)yr +125 °C
RS Stock No. 189-9407
Mfr. Part No.DS2431P+
SGD2.525
Each (In a Pack of 10)
units
1024bit Serial-1 Wire TSOC Surface Mount 6 256 x 4 bit 2.8 V 5.25 V - 4bit 4 x 3.89 x 1.5mm - 40yr +85 °C
RS Stock No. 190-6305
Mfr. Part No.DS24B33Q+T&R
SGD4.35
Each (In a Pack of 5)
units
4kbit 1-Wire TDFN Surface Mount 6 16M x 256 bit 2.8 V 5.25 V - 256bit 3.1 x 3.1 x 0.75mm - 40 (min)yr +85 °C
RS Stock No. 191-4242
Mfr. Part No.DS28E15P+
SGD1.586
Each (In a Tube of 120)
units
512bit 1-Wire TSOC Surface Mount 6 2 Page x 256 bit 2.97 V 3.63 V - 256bit 4 x 3.89 x 1.34mm - 10 (Minimum)yr +85 °C
RS Stock No. 190-6080
Mfr. Part No.DS2431Q+T&R
SGD1.846
Each (On a Reel of 2500)
units
1024bit 1-Wire TDFN Surface Mount 6 4M x 256 bit 2.8 V 5.25 V - 256bit 3.1 x 3.1 x 0.75mm - 40 (min)yr +85 °C
RS Stock No. 189-7478
Mfr. Part No.DS2431P+T&R
SGD1.32
Each (On a Reel of 4000)
units
1kbit Serial-1 Wire TSOC Surface Mount 6 4 Pages x 256 2.8 V 5.25 V - 256bit 4 x 3.89 x 1.35mm - 40yr +85 °C
RS Stock No. 190-6079
Mfr. Part No.DS2431+T&R
SGD1.444
Each (On a Reel of 2000)
units
1024bit 1-Wire TO-92 Through Hole 3 4M x 256 bit 2.8 V 5.25 V - 256bit 4.95 x 3.94 x 4.95mm - 40 (min)yr +85 °C
RS Stock No. 190-6320
Mfr. Part No.DS28E05R+T
SGD1.06
Each (In a Pack of 25)
units
896bit 1-Wire SOT-23 Surface Mount 3 7 Pages x 16 bytes 1.71 V 3.63 V - 16B 3.04 x 1.4 x 1.02mm - 10 (min)yr +85 °C
RS Stock No. 190-4296
Mfr. Part No.DS28EC20P+T
SGD2.905
Each (On a Reel of 4000)
units
20kbit 1-Wire TSOC Surface Mount 6 80M x 256 bit 4 V 5.25 V - 256bit 4 x 3.89 x 1.348mm - 40 (min)yr +85 °C
RS Stock No. 189-7479
Mfr. Part No.DS2431X-S+
SGD1.481
Each (On a Reel of 2500)
units
1kbit Serial-1 Wire UCSPR Surface Mount 3 4 Pages x 256 2.8 V 5.25 V - 256bit 1.68 x 1.68 x 0.38mm - 40yr +85 °C
RS Stock No. 190-6332
Mfr. Part No.DS28EC20P+T
SGD4.478
Each (In a Pack of 5)
units
20kbit 1-Wire TSOC Surface Mount 6 80M x 256 bit 4 V 5.25 V - 256bit 4 x 3.89 x 1.348mm - 40 (min)yr +85 °C
RS Stock No. 189-9601
Mfr. Part No.DS28EC20P+
SGD5.188
Each (In a Pack of 5)
units
20kbit Serial-1 Wire TSOC Surface Mount 64 80 Page x 256 bit 4.75 V 5.25 V - 256bit 4 x 3.89 x 1.5mm - 40yr +85 °C
RS Stock No. 189-9433
Mfr. Part No.DS2431P+T&R
SGD1.964
Each (In a Pack of 10)
units
1kbit Serial-1 Wire TSOC Surface Mount 6 4 Pages x 256 2.8 V 5.25 V - 256bit 4 x 3.89 x 1.35mm - 40yr +85 °C
RS Stock No. 189-7483
Mfr. Part No.DS28E04S-100+
SGD5.858
Each (In a Tube of 50)
units
4kbit Serial-1 Wire SOIC Surface Mount 16 16 Page x 256 bit 2.8 V 5.25 V 5.25V 256bit 10 x 4 x 1.5mm - 40yr +85 °C
RS Stock No. 189-7477
Mfr. Part No.DS2431P+
SGD2.051
Each (In a Tube of 120)
units
1024bit Serial-1 Wire TSOC Surface Mount 6 256 x 4 bit 2.8 V 5.25 V - 4bit 4 x 3.89 x 1.5mm - 40yr +85 °C