How to make a counter using J-K Flip-Flops and with no external inputs that goes 0,1,3,2 and then loops - Quora
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digital logic - Design a 3-bit up synchronous counter using JK flip-flop (odd vs even numbers) - Electrical Engineering Stack Exchange
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flipflop - 2 Bit Synchronous circuit that operates only with clock [Q] - Electrical Engineering Stack Exchange
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