7407

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Hex open-collector high-voltage buffers Maximum output voltage is 30V.

    +---+--+---+             +---*---+
 1A |1  +--+ 14| VCC         | A | Y |           Y = A
 1Y |2       13| 6A          +===*===+
 2A |3       12| 6Y          | 0 | 0 |
 2Y |4  7407 11| 5A          | 1 | Z |
 3A |5       10| 5Y          +---*---+
 3Y |6        9| 4A
GND |7        8| 4Y
    +----------+