name: 3470p function: Floppy Read Amp. package: 18 pin DIP,18 manufacturer: Motorola added-by: Dean comment: Amp & Analog>Digital convert +--()--+ Amp Input | 1 18| 12v+ Amp Input | 2 17| Amp Output Offset Decoupling | 3 16| Amp Output Offset Decoupling | 4 15| Act. Differentiator Input GND | 5 14| Active Differentiator Input One-Shot Mono#1 | 6 13| Differentiator Components One-Shot Mono#1 | 7 12| Differentiator Components One-Shot Mono#2 | 8 11| 5v+ One-Shot Mono#2 | 9 10| Digital Data Output +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/