introduce me some Multiplexer!

Discussion in 'Homework Help' started by eric_s88, Apr 29, 2011.

  1. eric_s88

    Thread Starter Member

    Apr 20, 2011
    157
    1
    Hi everyone,

    Is there anybody who can introduce me some multiplexer in IC form.

    I want 2to1 mux. is there any IC that consist eight 2:1 MUX ?

    thank you.
    Eric
     
  2. bertus

    Administrator

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

    What kind off signals need to be multiplexed?
    Are these signals analog or digital?

    Bertus
     
  3. jegues

    Well-Known Member

    Sep 13, 2010
    735
    43
  4. eric_s88

    Thread Starter Member

    Apr 20, 2011
    157
    1
    thank you 2 for our quick answers. Hey Betrus I have digital data, I have about 2X24 bit data, and I want a mux ( or a combination of muxs) that will choose wich 24 bit will be on out put... :);)
    thank you
     
  5. bertus

    Administrator

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

    Are you using TTL or cmos for these digital signals?

    Bertus
     
  6. eric_s88

    Thread Starter Member

    Apr 20, 2011
    157
    1
    I think I'm using TTL for this signals, this digital signals are produced by ICL7107 AtoD ..
     
  7. bertus

    Administrator

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

    Do you want to multiplex the decoded display information from this ICL7107?
    When you take a look at the datasheet the outputs are like a cmos totempole.
    (see figure 8 in the attached datasheet).
    The outputs seem to be TTL compatible as in figure 22 the 7407 is used to increase the display current.

    The 74ls258 given by jegues in post #3 will do.
    You will need 24 / 4 = 6 pieces to switch all 24 lines.

    Bertus
     
  8. eric_s88

    Thread Starter Member

    Apr 20, 2011
    157
    1
    Yes! I think that would help, it would need many ICs but it would work :) thank you for your help friend ;)
     
Loading...