(a) Use the characteristic equation for the gated D latch

Chapter 11, Problem 11.29

(choose chapter or problem)

(a) Use the characteristic equation for the gated D latch to implement a two-level, NAND-gate circuit for the gated D latch.

(b) What hazards exist in the part (a) circuit for \(Q^+\)?

(c) Modify the circuit of part (a) to obtain a two-level, NAND gate circuit for \(Q^+\) that is free of hazards.

(d) Add another output, P, to the circuit of part (a) so that \(P = Q^\prime\) whenever the circuit is in a stable state. When the circuit is in an unstable state, the value of P is a don’t care. Use the simplest circuit to obtain P. (Note: The circuit for P need not be two level.)

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