4015, 744015 Dual 4-bit serial-in parallel-out shift register with asynchronous reset. +----------+ 2CLK |1 +--+ 16| VCC 2Q0 |2 15| 2D 1Q1 |3 14| 2RST 1Q2 |4 13| 2Q3 1Q3 |5 4015 12| 2Q2 1RST |6 11| 2Q1 1D |7 10| 1Q0 GND |8 9| 1CLK +----------+ [This information is part of the GIICM]