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IEEE /IEC symbol for multiplexer ?

Discussion in 'Electronic Basics' started by Paul Brown, Dec 17, 2003.

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  1. Paul Brown

    Paul Brown Guest

    I have searched in vain for a list of electronic /system symbols to
    find a standard multiplexer symbol.

    I thought I used the following symbol many years back

    {courier}

    +------+
    | /|
    ---->| / |
    | / |
    |+ |------->
    | \ |
    ---->| \ |
    | \|
    +------+
    ^
    |
    ---------+

    {\courier}

    but I have received a comment from another engineer that he thinks
    this should be laterally inverted (arrow inside the multiplexer
    pointing in the output direction). My memory aid was that the two
    inputs were to disjoint areas in the symbol.

    I don't know if this is an IEEE or IEC symbol. If someone can give an
    expert opinion on this, together with a citation to a valid instance
    accessible on the internet, I would be very grateful.


    TIA,
    Paul.
     
  2. Greg Neff

    Greg Neff Guest

    The common symbol for a multiplexer is defined in IEEE Std 315A-1986
    section 25.11. The symbol is a trapezoid with the narrow end pointing
    toward the output.


    ================================

    Greg Neff
    VP Engineering
    *Microsym* Computers Inc.
     
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