74322 8-bit 3-state shift register with with sign extension and selectable serial inputs. Multiplexed parallel I/O. +----------+ /OE |1 +--+ 20| VCC S//P |2 19| DS D0 |3 18| /SE PA |4 17| D1 PC |5 74 16| PB PE |6 322 15| PD PG |7 14| PF /OE |8 13| PH /RST |9 12| QH GND |10 11| CLK +----------+ [This information is part of the GIICM]