name: HT12E_DIP18 function: 2**12 Series of Encoders package: DIP18,18 manufacturer: Holtek +--()--+ A0 | 1 18| VDD A1 | 2 17| DOUT A2 | 3 16| OSC1 A3 | 4 15| OSC2 A4 | 5 14| TEB A5 | 6 13| AD11 A6 | 7 12| AD10 A7 | 8 11| AD9 VSS | 9 10| AD8 +------+ This pinout came from the Chipdir: http://www.chipdir.org/ name: HT12E_SOP20 function: 2**12 Series of Encoders package: SOP20,20 manufacturer: Holtek +--()--+ NC | 1 20| NC A0 | 2 19| VDD A1 | 3 18| DOUT A2 | 4 17| OSC1 A3 | 5 16| OSC2 A4 | 6 15| TEB A5 | 7 14| AD11 A6 | 8 13| AD10 A7 | 9 12| AD9 VSS |10 11| AD8 +------+ This pinout came from the Chipdir: http://www.chipdir.org/