Elektronika - baza wiedzy

7412 - Trzykrotne, 3-wejściowe bramki NAND z otwartym kolektorem


    +---+--+---+             +---+---+---*---+       ___
 1A |1  +--+ 14| VCC         | A | B | C |/Y |  /Y = ABC
 1B |2       13| 1C          +===+===+===*===+
 2A |3       12| /1Y         | 0 | X | X | Z |
 2B |4  7412 11| 3C          | 1 | 0 | X | Z |
 2C |5       10| 3B          | 1 | 1 | 0 | Z |
/2Y |6        9| 3A          | 1 | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---+---*---+
    +----------+