name: x24165 function: 2048*8 Advanced 2-Wire Serial EEPROM with BlockLock Protection package: DIP, SOIC,8 manufacturer: Xicor +--()--+ s0 | 1 8| Vcc *s1 | 2 7| wp s2 | 3 6| scl Vss | 4 5| sda +------+ This pinout came from the Chipdir: http://www.chipdir.org/