name: TC514256 function: dram package: DIP-20,20 manufacturer: Toshiba added-by: comment: 256k x 4 +--()--+ I/O 1 | 1 20| VSS I/O 2 | 2 19| I/O 4 /write | 3 18| I/O 3 /ras | 4 17| /cas nc | 5 16| /oe a0 | 6 15| a8 a1 | 7 14| a7 a2 | 8 13| a6 a3 | 9 12| a5 VCC |10 11| a4 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/