74356 8-to-1 line 3-state data selector/multiplexer with address latch and data register and complementary outputs. +----------+ A7 |1 +--+ 20| VCC A6 |2 19| Y A5 |3 18| /Y A4 |4 17| OE3 A3 |5 74 16| /OE2 A2 |6 356 15| /OE1 A1 |7 14| A0 A0 |8 13| A1 DLE |9 12| A2 GND |10 11| ALE +----------+ [This information is part of the GIICM]