Elektronika - baza wiedzy

74114 - Dwukrotne przerzutniki J-K, wyzwalane ujemnym zboczem, z wejściami do ustawiania, wspólnym wejściem zegarowym i zerowania


      +---+--+---+           +---+---+----+----+----*---+---+
 /RST |1  +--+ 14| VCC       | J | K |/CLK|/SET|/RST| Q |/Q |
   1K |2       13| /CLK      +===+===+====+====+====*===+===+
   1J |3  74   12| 2K        | X | X |  X |  0 |  0 | ? | ? |
/1SET |4  114  11| 2J        | X | X |  X |  0 |  1 | 1 | 0 |
   1Q |5       10| /2SET     | X | X |  X |  1 |  0 | 0 | 1 |
  /1Q |6        9| 2Q        | 0 | 0 |   |  1 |  1 | - | - |
  GND |7        8| /2Q       | 0 | 1 |   |  1 |  1 | 0 | 1 |
      +----------+           | 1 | 0 |   |  1 |  1 | 1 | 0 |
                             | 1 | 1 |   |  1 |  1 |/Q | Q |
                             | X | X | ! |  1 |  1 | - | - |
                             +---+---+----+----+----*---+---+