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Help developing sequential circuit for a counter

  1. Oct 3, 2013 #1
    1. The problem statement, all variables and given/known data

    Create the design for a sequential circuit that counts 0-5 using only D flip-flops. Your
    designs should include a state diagram, state table, stated equations, and input equations.
    Additionally, draw the circuit diagram that represents your 0-5 counter. Your design
    should specify what action your sequential circuit executes when “unreachable” states are
    loaded.

    2. Relevant equations


    3. The attempt at a solution

    I know that I will have 6 states (0-5), so I will need 3 flip-flops.

    When I went to create my state table I got confused. Will states 6 and 7 be unreachable? And how do I know what the next states will be?
     
  2. jcsd
  3. Oct 3, 2013 #2

    mfb

    User Avatar
    2016 Award

    Staff: Mentor

    At least from 0-5, they are unreachable, right.
    Design your counter for 0-5, and analyze what happens in those two cases afterwards.
     
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