[IBIS-Users] question about Cref

From: RODRIGUEZ_LECONA_RAMIRO <rlecona_at_.....>
Date: Thu Apr 14 2005 - 14:53:29 PDT
    Hi all, 

        In some cases the semiconductor vendors use a transmission line 
terminated with a 50 ohms resistor to Vdd/2 in order to determine the 
propagation delay or switching time of the devices. If the IBIS standard 
says I have to specify Cref and the IBIS user wants to perform a timing 
analysis, then,  is it necessary to specify Cref? 

     Regards, 

                         Ramiro.
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Received on Thu Apr 14 14:50:58 2005

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