The characteristic equation of an SR flip-flop is given by
(A)
Qn+1 = S + RQn
(B)
Qn+1= RQ\’n + SQn
(C)
Qn+1= S\’ + RQn
(D)
Qn+1 = S + R\’Qn
Answer: (D)
Explanation:
The characteristic table of an SR flip-flop is: So, by simplifying using k-maps: characteristic equation of an SR flip-flop = Qn+1 = S + R\’Qn Option(D) is correct.
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