name: X22c10 function: nonvolitile static ram package: ,18 manufacturer: xicor added-by: SPAMDOGG +--()--+ NC | 1 18| Vcc A4 | 2 17| NC A3 | 3 16| A5 A2 | 4 15| I/O4 A1 | 5 14| I/O3 A0 | 6 13| I/O2 CS- | 7 12| I/O1 Vss | 8 11| WE- STORE- | 9 10| RECALL- +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/