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What type of sequential element is the above circuit?

By Admin on

Another problem for you!

Consider the following circuit. Assume that each inverter takes 1 time unit for a low-to-high or high-to-low transition. Assume that it takes 1 time unit for a pull-up path or pull-down path to pull-up or pull-down respectively. Ignore any leakage effects. Assume VDD >> VT. Also assume that there is no skew between CLK andCLK_BAR and assume that rise/fall times on all signals are zero.

  1. What type of sequential element is the above circuit? (Hint: Plotting the X, Y and Q with respect to the waveform of CLK and D might help you in finding the answer.)
  2. What is the propagation delay of this sequential element?





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