capacitive power Dissipation

Discussion in 'General Electronics Chat' started by nileshkhupase, Jun 30, 2011.

  1. nileshkhupase

    Thread Starter Member

    Mar 22, 2011
    33
    0
    Hi,

    What does the parameters in data sheet of any digital component like
    input capacitance Cin and
    power dissipation capacitance Cpd signifies....?

    and how should we consider them while doing analysis of that component that is whether it is good to have larger value of these parameters or they should be smaller ?
     
  2. NLightNMe

    New Member

    Apr 20, 2011
    16
    0
    Input capacitance is the equivalent capacitance present on the input of the device. It helps with determining the drive capability necessary for the device driving this pin. It is also one parameter that sets the speed of the digital circuit. Generally, smaller is better.

    Power dissipation capacitance is a new one to me, too.
     
  3. #12

    Expert

    Nov 30, 2010
    16,343
    6,828
    Could you point out the use of "Cpd" on a datasheet or something?
    I know of 2 ways to use that but I don't know exactly what you need.
     
  4. nileshkhupase

    Thread Starter Member

    Mar 22, 2011
    33
    0
    give me any one way which you will prefer from desiger point of view

    @Erniem
    i am talking about 74HC14 HEX schmitt trigger logic ic.
     
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