[SI-LIST] Re: How to add parellel terminator in IBIS

  • From: "Ingraham, Andrew" <Andrew.Ingraham@xxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Wed, 26 Mar 2003 08:40:55 -0500

Terminations should be done in the IBIS Clamp curves, not the Pullup and
Pulldown curves (which are of course nullified when a transceiver is
disabled/tri-stated).

Regards,
Andy


> Does anybody know how to add parellel terminator (on die terminator)
> in IBIS
> model ?  If the terminator is included in V/I table of Pullup &
> Pulldown in
> IBIS, some simulation tools will discard the V/I data when the IBIS
> acts as
> receiver.  I have attempted to simulate this case with Sigrity's tool,
> but I
> can't see the effect of parellel terminator.  Should I directly add
> "Rgnd &
> Rpower" in IBIS to fulfill the terminator function when the IBIS is
> receiver? I tried, but it doesn't work either. Does anyone know how to
> do it
> ? Thanks.
> 
> Best regards,
> 
> Peter Pang
> 03/26/2003
> 
> 
> 

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