[SI-LIST] Re: PCI-X 1.0a simulation
- From: <Aubrey_Sparkman@xxxxxxxx>
- To: <weirsi@xxxxxxxxxx>, <naren.thesia@xxxxxxxxx>
- Date: Tue, 27 Dec 2005 17:02:10 -0600
Naren,
Please take another look at the specs. There are several important
differences between the PCI spec and the PCI-X spec so I would strongly
discourage using a generic PCI model for a PCI-X driver.
You can make a buffer model that covers the max and min conditions from
the spec. Can you get the package models for your ASIC to use with the
buffer model?
Most GOOD system houses have faced conditions like this. You start with
the appropriate (PCI VS PCI-X) "spec based" model until your ASIC
supplier gets their silicon finished and their model working and
correlated. Then you continue to use your "spec based" models to test
for the range of things that can be plugged into your slots.
Good luck,
Aubrey Sparkman=20
Enterprise Engineering Signal Integrity Team
Dell, Inc.=20
Aubrey_Sparkman@xxxxxxxx=20
(512) 723-3592
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of steve weir
Sent: Tuesday, December 27, 2005 6:53 AM
To: Naren Thesia
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: PCI-X 1.0a simulation
Naren, I am sorry, but I don't see anything here to change my opinion.
Steve
At 04:54 PM 12/27/2005 +0530, Naren Thesia wrote:
>
>But my ASIC is in development stage.
>For IBIS mainly two things
> * Pin & package parasitics
> * VI characteristics of buffer.
>I have package/pin parasitics of ASIC(Driver).
>Now I want to take VI characteristics from other device model.
>The reason behind I am assuming is that PCI output will be standard as=20
>PCI specifications.
>
>Please let me know about your opinion....
>
>
>
>
>On 12/27/05, steve weir <<mailto:weirsi@xxxxxxxxxx>weirsi@xxxxxxxxxx>
wrote:
>I wouldn't do that. Get the driver model.
>
>Steve.
>At 04:22 PM 12/27/2005 +0530, Naren Thesia wrote:
> >Hi all,
> >
> >In my circuit there are two devices PCI-X 1.0a driver and receiver.
> >I have IBIS model for receiver.
> >I don't have IBIS model for driver.
> >
> >Can I use any generic PCI model for my driver?
> >Anyone has faced condition like this?
> >
> >Thanks in Advance.....
> >
> >--
> >Regards
> >Naren
> >
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