name: CY7C185 function: 8K x 8 Static RAM package: DIP28 / SOJ28 / PLCC28,28 manufacturer: Cypress +-------+----------+----------+---------+ | 1 - NC| 8 - A10 | 15 - I/O3| 22 - *OE| | 2 - A4| 9 - A11 | 16 - I/O4| 23 - A1 | | 3 - A5| 10 - A12 | 17 - I/O5| 24 - A2 | | 4 - A6| 11 - I/O0| 18 - I/O6| 25 - A3 | | 5 - A7| 12 - I/O1| 19 - I/O7| 26 - CE2| | 6 - A8| 13 - I/O2| 20 - *CE1| 27 - *WE| | 7 - A9| 14 - GND | 21 - A0 | 28 - Vcc| +-------+----------+----------+---------+ This pinout came from the Chipdir: http://www.chipdir.org/