Determine the Main Cycle of a Counter (JK flip-flops)

  • Thread starter NovaDude
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  • #1
NovaDude
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Homework Statement
For the counter shown below, determine the main cycle, and for each of the unused states, show what happens if it starts up there.

http://i45.tinypic.com/33l1lhc.jpg

Relevant equations
N/A


The attempt at a solution
Based on the diagram in the link I provided, I know that:

JA = QB'
KA = 1
JB = QC'
KB = QC
JC = QA
KC = QA

The problem is I do not know what to do after that. Can anyone explain to me how to do this? Thanks.
 

Answers and Replies

  • #2
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Do you know how a JK flip-flop works?

What happens if A,B,C are active and we get the next clock cycle?
What happens if A,B,C' are active?
What happens for all other combinations?
 

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