need help with even counter mod-8 7493

Discussion in 'Homework Help' started by mephosis, Jan 28, 2010.

  1. mephosis

    Thread Starter New Member

    Jan 28, 2010
    3
    0
    7493 IC , and is mod 8 and only the counting up even numbers will light up on the BCD display in the sequence of 0,off,2,4,off,6,off,2,off,4,off,6,off,0,off,2 , ,,,ETC does anyone know how to connect pls send the diagram to me something like the file i attached to this thread but its the odd counter i need the even counter ,<snip>
     
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  2. bertus

    Administrator

    Apr 5, 2008
    15,648
    2,347
    Hello,

    How does the "blanking" of the dispaly occur?
    You could switch of the power to the display at odd numbers.

    Greetings,
    Bertus
     
  3. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Your logic to drive the display is incorrect. Look at the way a 7 segment display works - or get a 7447 display driver. It even has a blanking pin.

    You can use Google to get data sheets for your logic. Use the device number as the search term.
     
  4. mephosis

    Thread Starter New Member

    Jan 28, 2010
    3
    0
    Erm I'm only given 7493 IC,AND,OR,NOT gate. so is there anyway to make this IC to let it count even numbers only, in mod-8 .If anyone has the diagram pls send it to <snip> , thank you =)

    Moderator's note: Attempting to obtain homework answers by email goes against the spirit of the public forums. Questions and their answers should be made in the public view.
     
    Last edited by a moderator: Jan 28, 2010
  5. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    You might review the sticky note:
     
  6. mephosis

    Thread Starter New Member

    Jan 28, 2010
    3
    0
    ok, but if i want to make 7393 IC to count even number only i need to use AND OR and Inventer gate ?
     
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