name: HT9274 function: Quad Micropower Op Amp package: DIP/SOP14,14 manufacturer: Holtek +--()--+ 1OUT | 1 14| 4OUT 1IN- | 2 13| 4IN- 1IN+ | 3 12| 4IN+ VDD | 4 11| VSS 2IN+ | 5 10| 3IN+ 2IN- | 6 9| 3IN- 2OUT | 7 8| 3OUT +------+ This pinout came from the Chipdir: http://www.chipdir.org/