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(a) Design a 4-bit ring counter. Use an external asynchronous INIT input to initialize the flip-flops...

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Electrical Engineering

(a) Design a 4-bit ring counter. Use an external asynchronousINIT input to initialize the flip-flops to a valid initial state.Also remember to hook up the CLOCK to all flip-flops.

(b) Design a 4-bit Johnson counter. Use an external asynchronousINIT input to initialize the flip-flops to a valid initial state.Also remember to hook up the CLOCK to all flip-flops.

(c) How many states does the ring counter in part (a) have? Howmany states does the Johnson counter in part (b) have?

(d) Starting at the initial state, show the repeating countingsequence for both the ring counter in part (a) and the Johnsoncounter in part (b). (That is, show the state of each counter on acycle-by-cycle basis until it repeats.)

Answer & Explanation Solved by verified expert
4.0 Ratings (407 Votes)
aWhen INIT is 0 the 1st flipflop is preset to 1 and theremaining three flipflops are cleared to    See Answer
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