name: LH0094 function: Multifunction Converter package: DIP16,16 manufacturer: National Semiconductor +--()--+ Eo | 1 16| a3- Vy | 2 15| V+ Vc | 3 14| Vb a4- | 4 13| Vx V- | 5 12| a1- ra | 6 11| gnd Rcommon | 7 10| Va Rb | 8 9| Vz +------+ This pinout came from the Chipdir: http://www.chipdir.org/