[SI-LIST] Re: HSPICE 2003.03 W-element concern

Here is the feedback that I received as of yesterday.
I hope that this clears things up. This is from a 
reliable source.

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Hspice 2003.03 is officially released and supported.  Reference its release
notes for update information. 
The setting "delayopt=1" you found is in beta mode and not supported yet.
Therefor it currently has no released documentation. 

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-----Original Message-----
From: Ed Sayre III [mailto:esayre3@xxxxxxxx]
Sent: Friday, April 18, 2003 10:25 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] HSPICE 2003.03 W-element concern



Hello,
   I was told by a very experienced college of mine, who was told by a 
HSPICE rep, that the W-element in HSPICE version 2003.03 requires and 
additional command to be accurate for long lossy transmission lines, (ie 
backplane or cables).  Specifically one needs to add "delayopt=1"  to the 
end of the w-element statement.
   I have run a few different simulations and I do see a difference when 
the delayopt is used.  More importantly, it changes delay and the impedance 
profile.  This concerns me, especially since there is no documentation 
of  this "feature/bug" in any of the 2003.03 manuals.
   So, does any one out there have any experience with this addition to the 
w-element command.? If so what is it doing differently?
   I have a couple of emails into synopsys, but have yet to get feedback. 
so your comments will be greatly appreciated.

         Regards
         -Ed Sayre

  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
               NORTH EAST SYSTEMS ASSOCIATES, INC
                             ------------------------------------- 

                         "High Performance Engineering & Design"
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  Dr. Edward Sayre 3rd            e-mail: esayre3@xxxxxxxx
  NESA, Inc.                              http://www.nesa.com/
  5 Lan Drive, Suite 200          Tel  +1.978.392-8787 x 218
  Westford, MA 01886 USA       Fax +1.978.392-8686
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