name: 43256 function: 256 kbit (32k X 8) SRAM package: DIP28,28 manufacturer: NEC Japan added-by: Ricardo Ramos - Brazil +--()--+ A14 | 1 28| VCC A12 | 2 27| /WE A7 | 3 26| A13 A6 | 4 25| A8 A5 | 5 24| A9 A4 | 6 23| A11 A3 | 7 22| /OE A2 | 8 21| A10 A1 | 9 20| /CS A0 |10 19| D7 D0 |11 18| D6 D1 |12 17| D5 D2 |13 16| D4 GND |14 15| D3 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/