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 (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Memory Size
Interface Type
Maximum Clock Frequency
Organization
Package / Case
Access Time
Supply Voltage - Min
Supply Voltage - Max
Mounting Style
Data Retention
Minimum Operating Temperature
Maximum Operating Temperature
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Packaging
STMicroelectronics EEPROM 1-Mbit serial I2C bus EEPROM with configurable device address
Datasheet
1,305In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Reel, Cut Tape
STMicroelectronics EEPROM 32-Kbit Serial I2C bus EEPROM with a unique 128-bit read-only
Datasheet
1,399In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Reel, Cut Tape, MouseReel
STMicroelectronics EEPROM 2-Mbit serial I2C bus EEPROM with configurable device address
Datasheet
884In Stock
2,500Expected 2026-03-16
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
1,301In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

M24128-U Reel, Cut Tape, MouseReel
STMicroelectronics EEPROM 256-Kbit serial I2C bus EEPROM with unique identifier and configurable device address
Datasheet
1,992In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Reel, Cut Tape
STMicroelectronics EEPROM 64-Kbit Serial I2C bus EEPROM with a unique 128-bit read-only, 1.7V to 5.5V
Datasheet
4,972In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

M24C64-U Reel, Cut Tape, MouseReel
STMicroelectronics EEPROM
Datasheet
5,000On Order
Min.: 1
Mult.: 1
Reel: 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