help me plz

Discussion in 'Homework Help' started by bian momani, Feb 22, 2010.

  1. bian momani

    Thread Starter New Member

    Feb 22, 2010
    6
    0
    using 74LS191 Counter and a 3x8 decoder (74LS138) to design circuit that light leds sequentaialy from D0 to D7 on the decoder use any extra gates.????
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Use Google to get the data sheets for both IC's. That should answer your questions.
     
  3. bian momani

    Thread Starter New Member

    Feb 22, 2010
    6
    0
    but i can't connect the circuit .............plz help me
     
  4. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Can you tell us why you can't make the connections? Do you have a lab to use, or are you supposed to make it work in simulation?
     
Loading...