name:         X22C12
function:     nonvolitile static ram
package:      plastic,18
manufacturer: xicor
added-by:     SPAMDOGG

       +--()--+
    A7 | 1  18| Vcc
    A4 | 2  17| A6
    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/