74368

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2/4-bit 3-state inverting buffer/line driver

     +---+--+---+            +---+---*---+
/1OE |1  +--+ 16| VCC        |/OE| A |/Y |
 1A1 |2       15| /2OE       +===+===*===+
/1Y1 |3       14| 2A2        | 1 | X | Z |
 1A2 |4   74  13| /2Y2       | 0 | 0 | 1 |
/1Y2 |5  368  12| 2A1        | 0 | 1 | 0 |
 1A3 |6       11| /2Y1       +---+---*---+
/1Y3 |7       10| 1A4
 GND |8        9| /1Y4
     +----------+