A B x y A+ B+ z 1 Q X Y Q(t+1) S 1.

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Presentation transcript:

A B x y A+ B+ z 1

Q X Y Q(t+1) S 1

A B TA TB A+ B+ 1

A B x A+ B+ 1

A B x A+ B+ 1 A B x A+ B+ 1

Design a sequential circuit with JK flip flop that counts backwards (111,110,101,100 ) with output 1, and other numbers will go to state 111 with output 0 A B C A+ B+ C+ Y JA KA JB KB Jc Kc 1

Design a sequential circuit with JK flip flop for state A, T F Design a sequential circuit with JK flip flop for state A, T F.F for B and D F.F for C that counts backwards (111,110,101,100,011 and repeats) with output 1, and other numbers will go to state 111 with output 0 A B C A+ B+ C+ Y JA KA TB Dc 1

State diagram A B C A+ B+ C+ 1

JA KA TB Dc 1 X A \ BC 00 01 11 10 1 X x A \ BC 00 01 11 10 x X 1 A \ BC 00 01 11 10 1 A \ BC 00 01 11 10 1