name: CY7C169A function: 4K x 4 RAM package: DIP20 / SOJ20,20 manufacturer: Cypress +--()--+ A4 | 1 20| Vcc A5 | 2 19| A3 A6 | 3 18| A2 A7 | 4 17| A1 A8 | 5 16| A0 A9 | 6 15| I/O0 A10 | 7 14| I/O1 A11 | 8 13| I/O2 *CE | 9 12| I/O3 GND |10 11| *WE +------+ This pinout came from the Chipdir: http://www.chipdir.org/