name: 9400CJ function: Freq. to Volt/Volt to Freq. package: DIP14,14 manufacturer: added-by: Mark Moss +--()--+ Ibias | 1 14| Vdd Zero Adj. | 2 13| N.C. Iin | 3 12| Amp. Out Vss | 4 11| Comparitor In Vrefout | 5 10| Freq./2 out GND | 6 9| Output Common Vref | 7 8| Pulse Freq. Out. +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/