Elektronika - baza wiedzy

4077 - Czterokrotne bramki exclusive-NOR


    +---+--+---+             +---+---*---+            _     _ _
 1A |1  +--+ 14| VCC         | A | B |/Y |       Y = A$B = (A.B)+(A.B)
 1B |2       13| 4B          +===+===*===+
/1Y |3       12| 4A          | 0 | 0 | 1 |
/2Y |4  4077 11| /4Y         | 0 | 1 | 0 |
 2A |5       10| /3Y         | 1 | 0 | 0 |
 2B |6        9| 3B          | 1 | 1 | 1 |
GND |7        8| 3A          +---+---*---+
    +----------+