CD4013 consists of two identical and independent data triggers. Each flip-flop has its own data, set, reset, clock input and Q and Q output. This device can be used as shift register, and can be used as calculator and flip-flop by connecting Q output to data input. When the rising edge of the clock is triggered, the logic level added to the D input is transmitted to the Q output. Set and reset are independent of the clock, and are performed by the high level on the set or reset line respectively.

CD4013 pin diagram:

  CD4013 pin diagram and function

CD4013 pin diagram and function

CD4013 pin diagram and function

1D, 2D: data input – 5, 9

1cp, 2cp: clock input-3, 11

1q, 2q: original code output-1, 13

1 / Q, 2 / Q: inverse code output – 2, 12

1sd, 2sd: direct set end-6, 8

1RD, 2rd: direct reset end-4, 10

VDD: power supply positive

VSS: Ground

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