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. 168-8871
Mfr. Part No.M24C02-RMC6TG
HK$0.97
Each (On a Reel of 5000)
units
2kbit Serial-I2C MLP Surface Mount 8 16 Page x 2K 1.8 V 5.5 V 1.8 → 5.5V 2K 3 x 2 x 0.6mm - >200yr +85 °C
RS Stock No. 877-2778
Mfr. Part No.M24C02-RMC6TG
HK$1.292
Each (In a Pack of 20)
units
2kbit Serial-I2C MLP Surface Mount 8 16 Page x 2K 1.8 V 5.5 V 1.8 → 5.5V 2K 3 x 2 x 0.6mm - >200yr +85 °C
RS Stock No. 714-7585
Mfr. Part No.M24M01-RMN6TP
HK$15.015
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
HK$5.975
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. 178-4960
Mfr. Part No.24LC512-E/P
BrandMicrochip
HK$11.897
Each (In a Tube of 60)
units
512kbit Serial-I2C PDIP Through Hole 8 64K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V 8bit 0.4 x 0.28 x 0.195mm - >200yr +125 °C
RS Stock No. 823-1255
Mfr. Part No.24LC512-E/P
BrandMicrochip
HK$13.84
Each (In a Pack of 5)
units
512kbit Serial-I2C PDIP Through Hole 8 64K x 8 bit 2.5 V 5.5 V 2.5 → 5.5V 8bit 0.4 x 0.28 x 0.195mm - >200yr +125 °C
RS Stock No. 823-1246
Mfr. Part No.24LC16B-E/SN
BrandMicrochip
HK$3.431
Each (In a Pack of 20)
units
16kbit Serial-I2C SOIC Surface Mount 8 256 x 8 2.5 V 5.5 V 2.5 → 5.5V 8bit 4.9 x 3.9 x 1.5mm - >200yr +125 °C
RS Stock No. 145-9047
Mfr. Part No.24LC16B-E/SN
BrandMicrochip
HK$2.73
Each (In a Tube of 100)
units
16kbit Serial-I2C SOIC Surface Mount 8 256 x 8 2.5 V 5.5 V 2.5 → 5.5V 8bit 4.9 x 3.9 x 1.5mm - >200yr +125 °C
RS Stock No. 387-322
Mfr. Part No.M24C02-RMN6P
HK$1.006
Each (In a Pack of 20)
units
2kbit Serial-I2C SOIC Surface Mount 8 256 x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 178-5309
Mfr. Part No.24AA025E48T-I/OT
BrandMicrochip
HK$2.428
Each (On a Reel of 3000)
units
2kbit I2C SOT-23 Surface Mount 6 256 x 8 bit 1.7 V 5.5 V - 8bit 3.1 x 1.8 x 1.3mm - 200yr +85 °C
RS Stock No. 168-5792
Mfr. Part No.M24C02-RMN6P
HK$1.326
Each (In a Tube of 100)
units
2kbit Serial-I2C SOIC Surface Mount 8 256 x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 165-7738
Mfr. Part No.M24C02-RMN6TP
HK$0.683
Each (On a Reel of 2500)
units
2kbit Serial-I2C SOIC Surface Mount 8 256 x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 686-2425
Mfr. Part No.M24C02-RMN6TP
HK$1.136
Each (In a Pack of 25)
units
2kbit Serial-I2C SOIC Surface Mount 8 256 x 8 bit 1.8 V 5.5 V 1.8 → 5.5V - 4.9 x 3.9 x 1.25mm - 40yr +85 °C
RS Stock No. 798-5217
Mfr. Part No.24AA025E48T-I/OT
BrandMicrochip
HK$2.457
Each (In a Pack of 25)
units
2kbit Serial-2 Wire SOT-23 Surface Mount 6 256 x 8 bit 1.7 V 5.5 V - 8bit 3.1 x 1.8 x 1.3mm - 200yr +85 °C
RS Stock No. 826-1761
Mfr. Part No.25AA256-I/P
BrandMicrochip
HK$10.043
Each (In a Tube of 60)
units
256kbit SPI PDIP Through Hole 8 32768 x 8 bit 1.8 V 5.5 V - 8bit 0.4 x 0.28 x 0.195in - 200yr +85 °C
RS Stock No. 687-9142
Mfr. Part No.24AA512-I/P
BrandMicrochip
HK$13.92
Each
units
512kbit Serial-I2C PDIP Through Hole 8 64K x 8 bit 1.8 V 5.5 V 1.7 → 5.5V - 9.4 x 6.35 x 3.3mm - 200yr +85 °C
RS Stock No. 178-4921
Mfr. Part No.24LC512-I/P
BrandMicrochip
HK$14.008
Each (In a Tube of 50)
units
512kbit Serial-I2C PDIP Through Hole 8 64K 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. 826-1786
Mfr. Part No.25AA512-I/P
BrandMicrochip
HK$14.987
Each (In a Tube of 60)
units
512kbit SPI PDIP Through Hole 8 - 1.8 V 5.5 V - - 0.4 x 0.28 x 0.195in - 200yr +85 °C
RS Stock No. 454-191
Mfr. Part No.24LC512-I/P
BrandMicrochip
HK$13.925
Each (In a Pack of 2)
units
512kbit Serial-I2C PDIP Through Hole 8 64K 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. 454-303
Mfr. Part No.24LC04B-I/SN
BrandMicrochip
HK$2.523
Each (In a Pack of 20)
units
4kbit Serial-I2C SOIC Surface Mount 8 2 Block x 256 x 8 bit 2.5 V 5.5 V 2.5 → 5.5V - 4.9 x 3.9 x 1.25mm - 200yr +85 °C