IBIS - EIA IBIS Open Forum Activity: [IBIS] RE: [ibis-macro] Re:

From: Walter Katz <wkatz@sisoft.com>
Date: Tue Apr 12 2011 - 11:16:45 PDT

Arpad,

Several comments on the following:

Model_Specific parameters must not be used for purposes which may alter
past, present or future simulation results in any way. In case there is a
need to use parameters of (Usage Out) or (Usage InOut) for such purposes,
those parameters shall be defined as Reserved_Parameters and fully
described in the specification.

First, "alter past" violates causality.

Second, in my e-mail " The roll of IBIS, Model Maker, EDA Tool, and Model
User" sent Sat 4/9/2011 1:43 PM I avowed that "The User decides how he
wants the outputs of the model to be used." So if a User asked an EDA tool
to alter the results of a simulation based on any output of any model
(including, but not limited to AMI models), how can IBIS prevent this.
Therefore this statement cannot stand.

Walter

-----Original Message-----
From: ibis-macro-bounce@freelists.org
[mailto:ibis-macro-bounce@freelists.org] On Behalf Of Muranyi, Arpad
Sent: Tuesday, April 12, 2011 2:06 PM
To: IBIS-ATM
Subject: [ibis-macro] Re: IBIS-ATM teleconference - Agenda for 4/12/2011

The file for the Out/InOut BIRD draft has been posted to the ATM web site
for today's discussion:

http://www.vhdl.org/pub/ibis/macromodel_wip/archive/20110412/arpadmurany
i/Out-InOut%20BIRD%20draft%206/Out_InOut_BIRD_06.pdf

Please take a few minutes to look it over for the meeting if possible.

Thanks,

Arpad
===========================================================

-----Original Message-----
From: ibis-macro-bounce@freelists.org
[mailto:ibis-macro-bounce@freelists.org] On Behalf Of Muranyi, Arpad
Sent: Tuesday, April 12, 2011 12:15 PM
To: IBIS-ATM
Subject: [ibis-macro] IBIS-ATM teleconference - Agenda for 4/12/2011

Time: April 12, 2011 Noon US Pacific Time =====

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Agenda
======

1) Opens
2) Call for any related patent disclosures
3) Review of ARs:

Any other AR-s?

Old ARs:

Arpad: Review the documentation (annotation) in the macro libraries.
- deferred until a demand arises or we have nothing else to do

4) Cross talk BIRD draft
- any last minute comments?
- vote to submit it to the IBIS Open Forum

5) Out_InOut BIRD draft
- discussion
- schedule a vote

6) (Format) Table Syntax Clarification (Row 21, 22)
    from Ambrish, Walter and Bob
    - last week we decided to accept Bob's suggestions from these:
      - Table_BIRD_Ambrish_02.pdf (Ambrish)
      - Table_BIRD_Walter_05.pdf (Walter)
      - Table_BIRD_Bob_proposal_02.pdf (Bob)

7a) BIRD 123.2, jitter parameters (includes Row 37)
    - review latest changes (additions) from Walter
    - do the changes answer the questions raised before:
      - remove Usage Out from the BIRD? or
      - specify which function (Init or GetWave) can return values?
      - specify what the EDA tool should do with the returned values?

7b) BIRD 121, data management parameters (file support)
- questions, comments?

7c) BIRD 124, dependency table
- questions, comments?

8) Analog BIRD draft (Walter)
- questions, comments?

9) Backchannel BIRD draft (Ken)
- questions, comments?

10) IBIS-AMI Section 6c Tables Update (Table1_3_BIRD_draft_1.pdf)
- this is on hold until all related items are defined

11) Define relationship between Type and Format (Row 25 in Task List
Type_Format_Table_BIRD_02.pdf)
- this is on hold until all related items are defined

Remaining Task List items:
==========================

Row 18: What is the ambiguity between Format and Text Strings?
- answer: See row 25

Row 21: According to the BNF, the Format = Table syntax is invalid.
        - If Format is removed, this s not a problem, but if Format
          is there the problem still exists. Do we need to fix this?
          - we will address this when talking about Table

Row 22: The syntax for a leaf is:
        (Row 22 in Task List)
           <leaf>: ( <parameter name> whitespace <value list> )
           So in a Table which is written like this: (-50 -0.1 1e-35),
           -50 is actually a parameter name, i.e. a string, not a value.
        -deprecate Table back to List?
        - we will address this when talking about Table

Row 23/24: Fix the two tables to reflect what is in the text
- Bob started a BIRD draft which will be finalized
as other BIRDs are completed

Row 25: Define relationship between Type and Format
- discuss Walter's suggestions

Row 26: This is basically the same as the items in Row 46-47.

Row 33: Is AMI_Init restricted to change first column of impulse_matrix
only?
- Sigrity is writing a BIRD draft on this (Ken)

Row 35: Clarify questions about impulse response
- this needs to be discussed

Row 37: Usage Out for reserved (jitter) parameters
- which function (Init or GetWave) can return these?

Row 46/47: Remove certain parameters and keywords
- this needs to be discussed

Thanks,

Arpad
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Received on Tue Apr 12 11:17:11 2011

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[IBIS] RE: [ibis-macro] Re: IBIS-ATM teleconference - Agenda for 4/12/2011