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regarding choosing the Pull and pull down values .....

Discussion in 'Electronic Design' started by [email protected], Mar 26, 2008.

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  1. Guest

    Hi all,

    i am new to this group. I have on doubt while desiging the LOGIC for
    Inputs we will do pullup and pulldown for a valid logic. depending on
    the Voltage and the Curent requirments we will decide the value of
    pull up and pull down resistor values is the way we do decide for Pull
    up/down values.if there is any common values of resistors for Pull up
    and Pull down that are frequently used in the design please let me
    know.

    Please share doc or application notes of choosing the Pull up/down
    values and calculation for the pull up and pull down.

    Thanks
    srik
     
  2. http://www.interfacebus.com/IC_Output_Input_Pullup_Resistor_Values.html

    Also, quite often the value chosen is one which is used elsewhere in
    the design, to reduce the number of different parts required in the
    design. This can save cost.

    Dave.
     
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