name: TMS4161 function: 64K bit Multiport DRAM package: DIP,20 manufacturer: Texas Instruments added-by: Thomas McWilliams comment: serial or random access +--()--+ SIN | 1 20| VSS SCLK | 2 19| SOUT /SQE | 3 18| /TR|/QE D | 4 17| /CAS /W | 5 16| Q /RAS | 6 15| A0 A6 | 7 14| A1 A5 | 8 13| A2 A4 | 9 12| A3 VDD |10 11| A7 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/