D Flip Flop/ Updown

Discussion in 'The Projects Forum' started by bwaley, Jun 29, 2008.

  1. bwaley

    Thread Starter Member

    Jun 1, 2008
    27
    0
    PLEASE help me choose the d flip flop and up/down counter in my circuit.
     
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  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    That is a blank document. D Flip-flops are well known - do you want to use TTL (7474) or 4000 CMOS (CD4013) or advance CMOS (74HC74)? Do you want to count binary or BCD?
     
  3. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    In the 4000 series CMOS IC's, the CD4029B is a binary or BCD up/down counter.
     
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