name: DS8921N-ND function: IC DIFF LN DR & REC PAIR 8 DIP package: VS,8 manufacturer: National Semiconductor added-by: Patrik Bengtsson +--()--+ VCC | 1 8| RI+ RO | 2 7| RI- DI | 3 6| DO+ GND | 4 5| DO- +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/