pinout ____________ | | CLK| 1 20| VCC 1S| 2 19| 4S 1S//A| 3 18|4S//A 1B| 4 17| 4B 1A| 5 16| 4A 2A| 6 15| 3A 2B| 7 14| 3B 2S//A| 8 13|3S//A 2S| 9 12| 3S GND|10 11| RST |____________|