[ibis-interconn] IBIS Ad Hoc Interconnect Task Group May 21, 2008 Minutes and May 28, 2008 Reminder
- From: "Mirmak, Michael" <michael.mirmak@xxxxxxxxx>
- To: <ibis-interconn@xxxxxxxxxxxxx>
- Date: Tue, 27 May 2008 23:07:20 -0700
======================================================================
IBIS INTERCONNECT MODELING AD HOC TASK GROUP MEETING MINUTES AND AGENDA
http://www.eda.org/ibis/adhoc/interconnect/
Mailing list: ibis-interconn@xxxxxxxxxxxxx
======================================================================
Next Meeting
Wednesday, May 28, 2008
9 AM US Pacific Time
Telephone Bridge Passcode
916-356-2663 5 148-0866
Use the LiveMeeting Links in Outlook or the information below
Meeting ID: 048bf414541b42ff9fefb16165347d46
Entry Code: Koj8SEbW9
Location:
meet:sip:michael.mirmak@xxxxxxxxx;gruu;opaque=app:conf:focus:id:048bf414
541b42ff9fefb16165347d46%3Fconf-key=Koj8SEbW9
Agenda:
- Call for patents
- Opens
- Touchstone 2.0/3.0 Updated Text
* Mixed-mode support
======================================================================
Minutes from May 21:
Attendees:
----------
(* denotes present)
Agilent - Radek Biernacki*, John Moore, Ken Wong
Ansoft - Denis Soldo*
Cadence Design Systems - Terry Jernberg*
Green Streak Programs - Lynne Green
Hewlett-Packard - Rob Elliott
Intel - Michael Mirmak*
Mentor Graphics Corp. - John Angulo*, Vladimir Dmitriev-Zdorov*
Micron Technology - Randy Wolff*
Sigrity - Sam Chitwood, Raymond Y. Chen, Tao Su
SiSoft - Walter Katz*
Teraspeed Consulting Group - Bob Ross*
========================================================================
No patents were announced. The schedule for the next meetings will be
weekly for at least the next month. Michael will continue to send
invitations
out by Microsoft Outlook* as well as over the mailing list.
The team summarized the discussions from the mailing list. A format has
been proposed that would achieve both single-ended and mixed-mode data
support plus efficiently represent data. A diagonal presentation is
likely.
This proposal would not be sequential (as in the SCCij, SDCij, etc.
notation
in fixed positions suggested by Agilent) but would be similar to Tao
Su's
format without the vector relationships. Single-ended data would still
be required. A diagonal format would only be to show the ordering of
ports,
not the relationship between the ports.
Open questions remain: how to represent mixed-mode impedances and
whether Y and/or
Z parameters should be supported in mixed-mode. The industrial need may
not exist and the transformations may require explicit presentation in
the specification. Bob Ross has suggested a table format for impedance.
Michael will prepare specification text to match the proposals discussed
during the meeting and online.
========================================================================
Team Objectives:
1) complete ICM-IBIS linking BIRD and any associated changes to the
ICM specification
2) update the ICM specification, if needed, to clarify the mapping of
ICM nodes to S-parameter ports
3) complete a specification for "Touchstone Plus" or similar
industry-standard definition for Touchstone-like files, to include
complex impedance references, removal of limits on the maximum number
of ports and per-port impedance references
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