25AA02UID

25AA02UID 2K SPI Bus Serial EEPROM with Unique 32-Bit Serial Number Device Selection Table Part Number 25AA02UID VCC Range 1.8-5.5V Page Size 16 Bytes Temp. Ranges I Packages SN, OT Unique ID Length 32-Bit Features: Preprogrammed 32-Bit Serial Number: - Unique across all UID-family EEPROMs - Scalable to 48-bit, 64-bit, 128-bit, 256-bit, and other lengths 10 MHz max. Clock Frequency Low-Power CMOS Technology: - Max. write current: 5 mA at 5.5V - Read current: 5 mA at 5.5V, 10 MHz - Standby current: 1 A at 2.5V 256 x 8-Bit Organization Write Page mode (up to 16 bytes) Sequential Read Self-Timed Erase and Write Cycles (5 ms max.) Block Write Protection: - Protect none, 1/4, 1/2 or all of array Built-in Write Protection: - Power-on/off data protection circuitry - Write enable latch - Write-protect pin High Reliability: - Endurance: 1,000,000 erase/write cycles - Data retention: >200 years - ESD protection: >4000V Temperature Ranges Supported: - Industrial (I): -40C to +85C RoHS Compliant Description: The Microchip Technology Inc. 25AA02UID is a 2 Kbit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) with a preprogrammed, 32-bit unique ID. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a Chip Select (CS) input. Communication to the device can be p...