Unique ID EEPROMs

STMicroelectronics Unique ID EEPROMs provide a seamless and ready-to-use solution designed to meet identification and traceability needs. Cost-effective, it allows developers to easily incorporate a serial number or unique ID into any application without additional components. This EEPROM, which includes reliable user memory and a factory-programmed, locked 128-bit unique identifier, is available in various densities from 32Kbits to 2Mbits. Building on the robust foundation of ST's serial EEPROM, this memory combines reliable storage with advanced identification features.

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Description Datasheet Availability Pricing (CHF) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Memory Size
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Supply Voltage - Min
Supply Voltage - Max
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STMicroelectronics EEPROM 2-Mbit serial I2C bus EEPROM with configurable device address
Datasheet
2’187In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2’500

2 Mbit I2C 1 MHz 256 k x 8 SO-8 450 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics EEPROM 128-Kbit Serial I2C bus EEPROM with unique identifier, 1.7V to 5.5V
Datasheet
6’198In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2’500

M24128-U Reel, Cut Tape, MouseReel
STMicroelectronics EEPROM 256-Kbit serial I2C bus EEPROM with unique identifier and configurable device address
Datasheet
1’942In Stock
Min.: 1
Mult.: 1
: 2’500

Reel, Cut Tape
STMicroelectronics EEPROM 32-Kbit Serial I2C bus EEPROM with a unique 128-bit read-only
Datasheet
1’815In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2’500

Reel, Cut Tape, MouseReel
STMicroelectronics EEPROM 64-Kbit Serial I2C bus EEPROM with a unique 128-bit read-only, 1.7V to 5.5V
Datasheet
4’424In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2’500

M24C64-U Reel, Cut Tape, MouseReel
STMicroelectronics EEPROM 1-Mbit serial I2C bus EEPROM with configurable device address
Datasheet
1’628In Stock
Min.: 1
Mult.: 1
: 2’500

Reel, Cut Tape
STMicroelectronics EEPROM 512-Kbit serial I2C bus EEPROM with unique identifier, configurable device address, and software write protection registers
Datasheet
5’000Expected 10/1/2026
Min.: 1
Mult.: 1
: 2’500

512 kbit I2C 1 MHz 64 k x 8 SO-8 900 ns 1.6 V 5.5 V SMD/SMT 200 Year - 40 C + 85 C Reel, Cut Tape