Elektronika - baza wiedzy

74145 - Dekoder kodu BCD na kod dziesiętny z wyjściami typu otwarty kolektor


    +---+--+---+             +---+---+---+---*---+---+---+---+
/Y0 |1  +--+ 16| VCC         | S3| S2| S1| S0|/Y0|/Y1|...|/Y9|
/Y1 |2       15| S0          +===+===+===+===*===+===+===+===+
/Y2 |3       14| S1          | 0 | 0 | 0 | 0 | 0 | Z | Z | Z |
/Y3 |4   74  13| S2          | 0 | 0 | 0 | 1 | Z | 0 | Z | Z |
/Y4 |5  145  12| S3          | . | . | . | . | Z | Z | . | Z |
/Y5 |6       11| /Y9         | 1 | 0 | 0 | 1 | Z | Z | Z | 0 |
/Y6 |7       10| /Y8         | 1 | 0 | 1 | X | Z | Z | Z | Z |
GND |8        9| /Y7         | 1 | 1 | X | X | Z | Z | Z | Z |
    +----------+             +---+---+---+---*---+---+---+---+