name: x25128 function: 16k*8 SPI Serial EEPROM with Block Lock Protection package: DIP,8 manufacturer: Xicor +--()--+ *cs | 1 8| Vcc so | 2 7| *hold *wp | 3 6| sck Vss | 4 5| si +------+ This pinout came from the Chipdir: http://www.chipdir.org/ name: x25128 function: 16k*8 SPI Serial EEPROM with Block Lock Protection package: SOIC,16 manufacturer: Xicor +--()--+ *cs | 1 16| Vcc so | 2 15| *hold nc | 3 14| nc nc | 4 13| nc nc | 5 12| nc nc | 6 11| nc *wp | 7 10| sck Vss | 8 9| si +------+ This pinout came from the Chipdir: http://www.chipdir.org/