FreeLists / si-list / [SI-LIST] Lumped capacitance estimation

[Sushil Kumar GUPTA <sushil.gupta@xxxxxx>]

Hi all,
         I need to calculate equivalent lumped capacitance seen by an IO driver 
which  is connected to PCB trace (approx 3 Inches) and then cable. The average 
rise/fall time is 600ps. I have information about the PCB trace 
capacitance/inches. Will my assumption  be correct if I take PCB-trace length 
(for lumped-capacitance calculation) which provides 300ps delay. 
                What would be the best way to simulate IO driver as far as 
rise/fall time accuracy is concerned assuming lumped model for Tx line. 
   
Thanks
sushil

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