7400 series TTL IC's: 74700...74799
+---+--+---+ /1OE |1 +--+ 20| VCC 1A1 |2 19| /2OE /2Y4 |3 18| /1Y1 1A2 |4 17| 2A4 /2Y3 |5 74 16| /1Y2 1A3 |6 756 15| 2A3 /2Y2 |7 14| /1Y3 1A4 |8 13| 2A2 /2Y1 |9 12| /1Y4 GND |10 11| 2A1 +----------+
+---+--+---+ /1OE |1 +--+ 20| VCC 1A4 |2 19| 2OE 2Y1 |3 18| 1Y1 1A3 |4 17| 2A4 2Y2 |5 74 16| 1Y2 1A2 |6 757 15| 2A3 2Y3 |7 14| 1Y3 1A1 |8 13| 2A2 2Y4 |9 12| 1Y4 GND |10 11| 2A1 +----------+
+---+--+---+ /GAB |1 +--+ 14| VCC |2 13| GBA A1 |3 74 12| A2 |4 758 11| B1 A3 |5 10| B2 A4 |6 9| B3 GND |7 8| B4 +----------+
+---+--+---+ /1OE |1 +--+ 20| VCC 1A1 |2 19| /2OE 2Y4 |3 18| 1Y1 1A2 |4 17| 2A4 2Y3 |5 74 16| 1Y2 1A3 |6 760 15| 2A3 2Y2 |7 14| 1Y3 1A4 |8 13| 2A2 2Y1 |9 12| 1Y4 GND |10 11| 2A1 +----------+
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