name: 7442 function: BCD to decimal decoder package: ,16 manufacturer: added-by: Brent Maxwell +--()--+ Output 0 | 1 16| Vcc Output 1 | 2 15| Input A Output 2 | 3 14| Input B Output 3 | 4 13| Input C Output 4 | 5 12| Input D Output 5 | 6 11| Output 9 Output 6 | 7 10| Output 8 GND | 8 9| Output 7 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/