name: CY7C187-PC function: 64K x 1 Static RAM package: DIP22,22 manufacturer: Cypress +--()--+ A0 | 1 22| Vcc A1 | 2 21| A15 A2 | 3 20| A14 A3 | 4 19| A13 A4 | 5 18| A12 A5 | 6 17| A11 A6 | 7 16| A10 A7 | 8 15| A9 Dout | 9 14| A8 *WE |10 13| Din GND |11 12| *CE +------+ This pinout came from the Chipdir: http://www.chipdir.org/ name: CY7C187-VC function: 64K x 1 Static RAM package: SOJ24,24 manufacturer: Cypress +--()--+ A0 | 1 24| Vcc A1 | 2 23| A15 A2 | 3 22| A14 A3 | 4 21| A13 A4 | 5 20| A12 A5 | 6 19| NC NC | 7 18| A11 A6 | 8 17| A10 A7 | 9 16| A9 Dout |10 15| A8 *WE |11 14| Din GND |12 13| *CE +------+ This pinout came from the Chipdir: http://www.chipdir.org/