name: 4216100 function: 16Mx1 DRAM 4K refresh package: TSOP/SOJ,26 manufacturer: NEC added-by: JASON GOHLKE comment: There are no pins 7 and 20 +--()--+ Vcc | 1 26| GND -> Din | 2 25| Dout -> NC | 3 24| NC -> /WE | 4 23| /CAS <- -> /RAS | 5 22| NC -> A11 | 6 21| A9 <- | 7 20| -> A10 | 8 19| A8 <- -> A0 | 9 18| A7 <- -> A1 |10 17| A6 <- -> A2 |11 16| A5 <- -> A3 |12 15| A4 <- Vcc |13 14| GND +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/