name: M3882 function: NMOS Programmable Counter Timer Circuit (CTC) package: DIP?,28 manufacturer: Motorola added-by: Yudovsky Ilya +--()--+ D4 | 1 28| D3 D5 | 2 27| D2 D6 | 3 26| D1 D7 | 4 25| D0 GND | 5 24| +5V RD | 6 23| CLK/TRG0 ZC/TO0 | 7 22| CLK/TRG1 ZC/TO1 | 8 21| CLK/TRG2 ZC/TO2 | 9 20| CLK/TRG3 -IORQ |10 19| CS1 IEO |11 18| CS0 -INT |12 17| -RESET IEI |13 16| -CE -M1 |14 15| CLK +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/