The Microchip AT93C56B is a 2 Kb Microwire (3-wire) Serial EEPROM organized as either 256 x 8 or 128 x 16, selectable in hardware using the ORG pin. The device is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options.