Question: logic design 3-Design a four-bit counter with four D flip-flops A, B, C and D. The circuit goes through the state transitions from 0000, to

logic design 3-Design a four-bit counter with four D flip-flops A,

logic design

3-Design a four-bit counter with four D flip-flops A, B, C and D. The circuit goes through the state transitions from 0000, to 0001, to 0010, to 0011 ... till 1111 and back to 0000 and repeats. a) Derive the state table for the sequential circuit. (7 pts.) b) Use K maps to find DA, DB, DC and DD in terms of A, B, C and D. (7 pts.) c) Draw logic diagram of the circuit designed by using D flip-flops. (6 pts.)

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