The CAT93C56LI-G is a 2Kb CMOS Serial EEPROM device which
is organized as either 128 registers of 16 bits (ORG pin at VCC) or 256
registers of 8 bits (ORG pin at GND). Each register can be written (or
read) serially by using the DI (or DO) pin. The CAT93C56/57 features
sequential read and self−timed internal write with auto−clear. On−chip
Power−On Reset circuitry protects the internal logic against powering
up in the wrong state.