name: 74LS48 function: BCD to 7-seg package: DIL 16,16 manufacturer: Texas Instruments added-by: +--()--+ B | 1 16| Vcc C | 2 15| f lamp test | 3 14| BI/RBQ | 4 13| RBI | 5 12| D | 6 11| A | 7 10| GND | 8 9| +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/