74589 8-bit 3-state parallel-in serial-out shift register with input registers. Independent clocks for shift and storage registers. +----------+ B |1 +--+ 16| VCC C |2 15| A D |3 14| SA E |4 74 13| /SLD F |5 589 12| RCLK G |6 11| SCLK H |7 10| /OE GND |8 9| QH +----------+ [This information is part of the GIICM]