Question: SR flip-flop to JK flip flop
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Step 1: General model to convert flip-flop.

enter image description here

Step 2: Present state next state table of J-K f/f with excitation table of S-R f/f.

Qn Jn Kn Qn + 1 Sn Rn
0 0 0 0 0 x
0 0 1 0 0 x
0 1 0 1 1 0
0 1 1 1 1 0
1 0 1 0 0 1
1 1 1 0 0 1
1 1 0 1 x 0
1 0 0 1 x 0

Step 3: simplifying logic expressions for Sn and Rn.

enter image description here $\therefore S_n = J_n Q_n$

enter image description here $\therefore R_n = K_n Q_n$

Step 4: Circuit diagram.

enter image description here

renu • 49 views
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modified 10 weeks ago  • written 10 weeks ago by gravatar for RB RB ♦♦ 100
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