[SI-LIST] Re: ibis
- From: "Dunbar, Tony" <tony_dunbar@xxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Thu, 21 Dec 2006 11:35:30 -0600
Hi,
Chris is quite correct about the "IBISwriter" utility in the Xilinx ISE
tool. My customers have used it to very good effect. One thing I'd like
to point out, though, since there is also mention here about HSPICE
models for the Virtex-4: If the reference to HSPICE models is w.r.t. the
V4 RocketIO MGT buffers, IBISwriter does not (yet) write out those pin
assignments for the HSPICE models. It only writes out the "pure" IBIS
model pin assignments, plus PWR and GND.
Forgive me if I'm confusing things here if the reference to HSPICE
models is not for the MGT pins or if I'm behind the times and IBISwriter
has recently been upgraded to write out the IBIS v4.1 syntax to
accommodate the MGT HSPICE models.
Tony
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Christopher R. Johnson
Sent: Thursday, December 21, 2006 7:51 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: ibis
The Xilinx ISE lets you create an IBIS file that is specific to your
particular design using whatever chip and I/O buffers you have
specified. Check the help on the ISE, or go to
http://toolbox.xilinx.com/docsan/xilinx5/help/iseguide/iseguide.htm and
search for IBIS on the search tab.
Regards,
Chris
abhishek@xxxxxxxxx wrote:
>Hi,
>I am looking for the ibis model of virtex-4 fpga1152 pin. The model=20
>available on Xilinx website is only for 148 pin.
>Can any one guide me how to get the models for that.
>
>Moreover they have provided hspice model for Virtex-4. I just got the=20
>information that Hspice models can be converted into ibis.Does anyone=20
>having this experience.
>
>
>Regards,
>Abhishek
>
>
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