74366 6-bit 3-state inverting buffer/line driver. +----------+ +-----------+ /OE1 |1 +--+ 16| VCC |/OE| A |/Y | A1 |2 15| /OE2 |---+---+---| /Y1 |3 14| A6 | 1 | X | Z | A2 |4 74 13| /Y6 | 0 | 0 | 1 | /Y2 |5 366 12| A5 | 0 | 1 | 0 | A3 |6 11| /Y5 +-----------+ /Y3 |7 10| A4 GND |8 9| /Y4 +----------+ [This information is part of the GIICM]