FreeLists / si-list / [SI-LIST] Re: Modeling a MUX/DEMUX?

["Scott McMorrow" <scott@xxxxxxxxxxxxx>]

The IBIS model on the IDT website does use the correct series switch and 
mosfet models.  It will be reasonably correct for everything but ground 
coupling.



Jon Powell wrote:

>I believe there is a method in XTK for simulating these kind of MOS switches
>with actual device models. I don't know if the IBIS data has what you need
>for this, however.
>
>-----Original Message-----
>From: si-list-bounce@xxxxxxxxxxxxx
>[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Aspnes, Brian D
>Sent: Wednesday, March 05, 2003 11:44 AM
>To: si-list@xxxxxxxxxxxxx
>Subject: [SI-LIST] Modeling a MUX/DEMUX?
>
>
>
>If you wanted to model the IDT MUX parts IDTQS3VH257 and IDTQS3VH253 =
>for
>pre-layout simulations, in a series net configuration [such that the
>MUX/DEMUX is in series with your trace ("Y" to "In", with select and =
>enable
>"on")], how would you model the MUXs with a Single Line Lumped Model =
>"SLM"
>type environment (we use Innoveda Scratchpad/ePlanner which uses .ibs =
>models
>and "schematic" versions of connectors/bus switches). =A0
>
>Driver -> Trace -> MUX/DEMUX -> Trace -> Receiver=20
>=A0
>Does anyone have a Single Line Lumped Model (SLM with one input, one =
>output)
>that I can use for signal integrity analysis similar to this connector =
>model
>from AMP (Mictor): =
>http://www.amp.com/simulation/scripts/models.asp#list=20
>=A0
>Brian Aspnes
>Intel Communications Group (ICG)
>E-mail: brian.d.aspnes@xxxxxxxxx
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-- 
Scott McMorrow
Teraspeed Consulting Group LLC
2926 SE Yamhill St.
Portland, OR 97214
(503) 239-5536
http://www.teraspeed.com




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