[SI-LIST] Re: how tables (waveform/pullup/down etc..) in a IBIS files are used/interpeted by IBIS simulators
- From: "Muranyi, Arpad" <Arpad_Muranyi@xxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Tue, 21 Aug 2007 08:48:19 -0700
Try again...
Arpad
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=20
-----Original Message-----
From: Muranyi, Arpad=20
Sent: Tuesday, August 21, 2007 7:54 AM
To: si-list@xxxxxxxxxxxxx
Subject: RE: [SI-LIST] how tables (waveform/pullup/down etc..) in a IBIS
files are used/interpeted by IBIS simulators=20
Sudhansu,
The question you are asking about how the various
tables are interpreted by each tool vendor is hard
to answer because each vendor may have their own
algorithms.
To gain some insight on what may be happening, you
can look at some of my presentations in which I
explained the basic two equations two unknowns algorithm:
http://www.vhdl.org/pub/ibis/summits/jun03b/muranyi1.pdf
There are other articles written on the subject, such as:
Extraction of Transient Behavioral Model of Digital I/O Buffers from
IBIS
Peivand F. Tehrani, Yuzhe Chen, Jiayuan Fang
Department of Electrical Engineering
State University of New York at Binghamton
The Development of Analog SPICE Behavioral Model
Based on IBIS Model
Ying Wang, Han Ngee Tan
School of EEE, Nanyang Technological University, Singapore 639798
E-mail: p143278083@xxxxxxxxxx
A Novel Extraction Method of Analog SPICE Behavioral Model from IBIS
Model
Hwan-Mok Jung, Chang-Gene Woo, Pyung Choi, Jong-Hwa Kwon, Jae-Hoon Yun
Kyungpook National University, Electronics and Telecommunications
Research Institutes
Kyungpook Nat'l Univ. School of Electronic & Electric Eng.,
1370 Sankyuk-dong, Puk-ku, Taegu, 702-701, S.KOREA
Tel: +82-53-940-8656, Fax: +82-53-950-5505
E-mail: hmjung@xxxxxxxxxxxxxxxxx
I am not sure I understand your last question, but IBIS
models are used extensively for SI simulations to verity
most if not all design questions that are related to SI.
I hope this helps,
Arpad
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=20
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Sudhanshu SINGH
Sent: Tuesday, August 21, 2007 4:58 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] how tables (waveform/pullup/down etc..) in a IBIS
files are used/interpeted by IBIS simulators=20
Hello all,
I have tried to search for some queries in IBIS modeling cookbook(ver =
=3D
4.0).
But the details are not very exhaustive inside.
Can anyone tell or provide some document reference to the following =3D
points=3D20
=3D20
-Interpretation of IBIS file tables =3D
(waveform/pullup/down/clamp/ramp/vinl/vinh etc..)
by different simulators(Hspice/Hyperlynx/Eldo).
i.e. How simulators use these table to generate output waveform =
for=3D20
a given device of IBIS models.
-What all SI parameters are validated from IBIS Models ??
This will in general be of help to all new IBIS learners.
Thanks in advance,
Regards,
sudhanshu
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