74166 8-bit parallel-in serial-out shift register with asynchronous reset. +----------+ SA |1 +--+ 16| VCC A |2 15| SH//LD B |3 14| H C |4 74 13| QH D |5 166 12| G CLK1 |6 11| F CLK2 |7 10| E GND |8 9| /RST +----------+ [This information is part of the GIICM]