Question: Design a 2-bit count-down counter. This is a sequential circuit with two flip-flops and one input x. When x = 0, the state of the

Design a 2-bit count-down counter. This is a sequential circuit with two flip-flops and one input x. When x = 0, the state of the flip-flops does not change. When x = 1, the state sequence is 11, 10, 01, 00, 11, and repeat.

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