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. 920-6250
Mfr. Part No.M24M01-RMN6TP
HK$9.051
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. 877-2778
Mfr. Part No.M24C02-RMC6TG
HK$1.80
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. 823-1255
Mfr. Part No.24LC512-E/P
BrandMicrochip
HK$16.462
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. 178-4960
Mfr. Part No.24LC512-E/P
BrandMicrochip
HK$16.461
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. 168-8871
Mfr. Part No.M24C02-RMC6TG
HK$1.333
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. 714-7585
Mfr. Part No.M24M01-RMN6TP
HK$11.305
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. 798-5217
Mfr. Part No.24AA025E48T-I/OT
BrandMicrochip
HK$2.782
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. 387-322
Mfr. Part No.M24C02-RMN6P
HK$1.357
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. 823-1246
Mfr. Part No.24LC16B-E/SN
BrandMicrochip
HK$4.036
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. 165-7738
Mfr. Part No.M24C02-RMN6TP
HK$1.02
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$1.416
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. 178-5309
Mfr. Part No.24AA025E48T-I/OT
BrandMicrochip
HK$3.033
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$1.534
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. 145-9047
Mfr. Part No.24LC16B-E/SN
BrandMicrochip
HK$4.036
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. 686-2413
Mfr. Part No.M93C46-WMN6TP
HK$1.499
Each (In a Pack of 25)
units
1kbit Serial-Microwire SOIC Surface Mount 8 64 x 16 bit, 128 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. 823-1205
Mfr. Part No.24LC01BT-E/OT
BrandMicrochip
HK$2.419
Each (In a Pack of 25)
units
1kbit Serial-I2C SOT-23 Surface Mount 5 128 x 8 bit 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. 165-5346
Mfr. Part No.M95M02-DWMN3TP/K
HK$28.473
Each (On a Reel of 2500)
units
2Mbit SPI SOIC Surface Mount 8 256K x 8 bit 2.5 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +125 °C
RS Stock No. 454-090
Mfr. Part No.24LC02BT-I/OT
BrandMicrochip
HK$2.218
Each (On a Reel of 500)
units
2kbit Serial-I2C SOT-23 Surface Mount 5 256 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. 165-7735
Mfr. Part No.M93C46-WMN6TP
HK$1.141
Each (On a Reel of 2500)
units
1kbit Serial-Microwire SOIC Surface Mount 8 64 x 16 bit, 128 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. 878-7354
Mfr. Part No.M95M02-DWMN3TP/K
HK$37.96
Each (In a Pack of 5)
units
2Mbit SPI SOIC Surface Mount 8 256K x 8 bit 2.5 V 5.5 V - 8bit 5 x 4 x 1.5mm - 100yr +125 °C