The Microchip Technology Inc. 24AA02UID/24AA025UID (24AA02XUID*) is a 2 Kbit Electrically Erasable PROM with a preprogrammed, 32-bit unique ID. This device is organized as two blocks of 128 x 8-bit memory with a 2-wire serial interface. Designed for low-voltage operation, it boasts maximum standby and active currents of only 1 A and 1 mA, respectively. The 24AA02XUID also includes a page write capability for up to sixteen bytes of data. It's available in PDIP, SOIC, SOT-23 packages, making it versatile for diverse applications requiring secure data storage and identification.