4013

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Dual D flip-flop with set and reset.

     +---+--+---+           +---+---+---+---*---+---+
  1Q |1  +--+ 14| VCC       | D |CLK|SET|RST| Q |/Q |
 /1Q |2       13| 2Q        +===+===+===+===*===+===+
1CLK |3       12| /2Q       | X | X | 0 | 1 | 0 | 1 |
1RST |4  4013 11| 2CLK      | X | X | 1 | 0 | 1 | 0 |
  1D |5       10| 2RST      | X | X | 1 | 1 | 1 | 1 |
1SET |6        9| 2D        | 0 | / | 0 | 0 | 0 | 1 |
 GND |7        8| 2SET      | 1 | / | 0 | 0 | 1 | 1 |
     +----------+           | X |!/ | 0 | 0 | - | - |
                            +---+---+---+---*---+---+