name: HM2511 function: 1024 x 1 TTL SRAM package: 16 DIP,16 manufacturer: Hitachi added-by: James comment: separate data In & Out +--()--+ /CS | 1 16| Vcc A0 | 2 15| Din A1 | 3 14| /WE A2 | 4 13| A9 A3 | 5 12| A8 A4 | 6 11| A7 Dout | 7 10| A6 GND | 8 9| A5 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/