4006 Dual 4-bit and dual 5-bit serial-in serial-out shift registers. +----------+ 1D5 |1 +--+ 14| VCC /1Q4 |2 13| 1Q1 CLK |3 12| 2Q0 2D4 |4 4006 11| 2Q0 3D4 |5 10| 3Q0 4D5 |6 9| 4Q0 GND |7 8| 4Q1 +----------+ [This information is part of the GIICM]