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Seven Segment Display

Discussion in 'General Electronics Discussion' started by Stuart, May 19, 2013.

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  1. Stuart

    Stuart

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    Jan 24, 2013
    I was just wondering if anyone knew if it was possible to connect a seven segment display (SSD) component to a decade counter? so the outputs could be displayed on the SSD?

    I've heard that it isn't possible without a decoder chip but was just wondering if anyone could confirm this and if this statement is true do you know what chip to use?

    I've tried searching online but I cannot seem find anything

    Thanks,

    Stu
     
  2. BobK

    BobK

    7,682
    1,687
    Jan 5, 2010
    Yes, you need a BCD to seven segment decoder.

    Bob
     
  3. Stuart

    Stuart

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    Jan 24, 2013
    Thanks Bob, I'll look into that

    Stu
     
  4. davenn

    davenn Moderator

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    Sep 5, 2009
    usually used was a 7490 decade counter ---> 7447 BCD to seven segment decoder ----> display


    Dave
     
  5. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,477
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    Jan 21, 2010
    Another option was the 74C926 which incorporated 4 decade counters, and multiplexed the 4 digits through a single BCD to 7 segment decoder. All on 1 chip.

    They're pretty hard to find these days, and you'd probably just use a microcontroller. But before microcontrollers the trend was for more and more integration of these functions onto single chips.
     
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