pinout ____________ | | 1Q| 1 16| VCC | 2 15| 4S 2S| 3 14| 4R 2R| 4 13| 2Q OE| 5 12| 4R 3S| 6 11| 4S 3R| 7 10| 4Q GND| 8 9| 3Q |____________|