Need to build a asynchronous 4bit JK flip flop counter with a 7 segment display and a unique pattern. 6 4 2 5 3 1 F C B A
Present State
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Next State
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Flip Flop Inputs
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Q4
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Q3
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Q2
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Q1
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Q4
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Q3
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Q2
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Q1
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J4
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K4
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J3
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K3
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J2
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K2
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J1
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K1
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0
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0
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0
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0
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0
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0
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0
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1
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X
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X
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X
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x
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X
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X
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X
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X
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0
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0
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0
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1
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0
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0
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1
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0
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0
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x
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0
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x
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1
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x
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X
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1
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0
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0
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1
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0
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0
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0
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1
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1
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0
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X
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0
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x
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X
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0
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1
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X
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0
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0
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1
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1
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0
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1
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0
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0
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0
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X
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1
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X
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X
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1
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X
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1
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0
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1
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0
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0
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0
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1
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0
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1
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0
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X
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x
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0
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0
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X
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1
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X
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0
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1
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0
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1
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0
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1
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1
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0
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0
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X
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X
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0
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1
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X
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X
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1
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0
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1
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1
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0
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0
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1
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1
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1
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0
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X
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x
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0
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X
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0
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1
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x
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0
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1
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1
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1
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1
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0
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0
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0
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X
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X
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X
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X
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X
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X
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X
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X
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1
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0
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0
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0
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1
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0
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0
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1
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X
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X
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X
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X
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X
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X
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X
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X
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1
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0
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0
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1
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1
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0
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1
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0
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X
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X
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X
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X
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X
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X
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X
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X
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1
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0
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1
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0
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1
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0
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1
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1
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X
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1
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0
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X
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X
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1
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0
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x
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1
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0
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1
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1
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1
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1
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0
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0
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X
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1
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0
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X
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X
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1
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X
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1
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1
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1
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0
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0
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1
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1
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0
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1
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X
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0
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X
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0
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0
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X
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1
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x
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1
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1
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0
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1
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1
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1
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1
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0
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X
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X
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X
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X
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X
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X
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X
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X
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1
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1
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1
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0
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1
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1
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1
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1
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X
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X
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X
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X
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X
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X
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X
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x
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1
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1
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1
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1
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0
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0
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0
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0
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X
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1
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X
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1
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X
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1
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X
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1
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