Is this the correct behavior of sequential circuits

Discussion in 'Homework Help' started by nyasha, Oct 26, 2010.

  1. nyasha

    Thread Starter Active Member

    Mar 23, 2009
    90
    1
    Does this circuit have a counting sequence of : 000, 001, 011, 111 ?
     
  2. thatoneguy

    AAC Fanatic!

    Feb 19, 2009
    6,357
    718
    If the 3rd output is from Q (instead of !Q used for input back to 1st FF), It will not count as you anticipate.

    "Correct" binary counting is 000, 001, 010, 011, 100, 101, 110, 111 <rollback to zero> This is counting from 0 to 7 with 3 bits.

    There is a chapter in the e-book here that covers this exact problem.

    Do you have Logisim or other logic simulation software? It is free and can come in handy for these type of problems.
     
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