Re: Verilog-AMS technical committee meeting minutes - 18 March 2010

Hi all,

If you are active (Accellera) member and have not sent across the vote
for the wreal proposal please do so by midnight today.

please see below for last week's meeting minutes and the proposals are
uploaded on the Verilog-AMS website.

Regards,
Sri

On 3/19/2010 2:09 PM, Sri Chandra wrote:
> Date: 18th March 2010, 2pm pacific time
>
> Attendees:
> Haydar Bilhan, TI
> Kevin Cameron, Consultant
> Sri Chandra, Freescale
> Geoffrey Coram, Analog Devices
> Dave Cronauer, Synopsys
> Jonathan David, Qualcomm
> Tapan Halder, Synopsys
> Marq Kole, NXP
> Kishore, Cadence
> Stan Krolikoski, Cadence
> Top Lertpanyavit, Intel
> David Miller, Freescale
> Patrick O'Halloran, Tiburon
> Martin O'Leary, Cadence
> Arturo Salz, Synopsys
> David Sheritt, Tiburon
> Yatin Trivedi, Synopsys
> Boris Troyanovsky, Tiburon
> Ian Wilson, Berkeley DA
>
>
> Minutes:
>
> Focus of today's discussion was for committee members to clarify any
> issues with Cadence with regards to the wreal extensions proposal donation
> - Voting to be done by Accellera members and active (1-in-3 meetings)
>
> * Yatin raised a point on what we are voting on, and given that there is
> only one donation in response to the donation window being opened by
> Accellera what does the vote signify
> - As part of the donation, Cadence will also provide patent licensing
> used in the donation to Accellera, and Cadence will not enforce any
> patent claims for users of this donation.
> - If the donation is accepted through vote, there is no conditions or
> restrictions - the donation can be accepted fully, in parts, modified or
> even not included when it comes to inclusion in the actual LRM.
> - If the vote is a "No", the licensing of the patents will be
> transferred back to Cadence.
> - Cadence signed letter of assurance that no further patenting will be
> done. Implementors have same patent protection
>
> * Ian Wilson wanted to know whether it was mandatory to use all, or any
> part of the donation.
> - Cadence (Stan) clarified that this is not mandatory. The technical
> committee will go through the regular process of review - the contents
> can be accepted as-is, modified, partly accepted or completed not
> included in the standard as part of the technical committee review process.
>
> * Marq Kole wanted to know the active patents involved in this donation
> - there are no active patents, but there are pending patents based on
> this proposal that is being donated. The patent id details are mentioned
> in letter of assurance submitted to Accellera.
> - The committee has the freedom to chose to use this donation or not.
>
> * Kevin raised the issue of followup from previous meeting where the
> proposal was presented with regards to the actual requirement that this
> donation is addressing
> - supports wreal2electrical, enables model swapping, plug-and-play
> (electrical and wreal)
> - with regards to not being deprecated, Martin responded that this was
> discussed as part of LRM2.3 deliberations and closed
> - deprecation proposed is in the syntax and not on the semantics
> - Also, SV does not have the capability that is being discussed. Today
> this is also a gap in SV.
>
> * Marq Kole (NXP) and Jonathan David (Qualcomm) accepted the donation
> during the meeting. Kevin rejected the donation proposal sighting that
> it does not address the issue.
>
> * Tapan raised the issue of handling multiple drivers, and more
> specifically 2-state v 4-state wreal and how backward compatibility will
> be maintained
> - the models need to take into account X/Z states
> - this is not addressed in the proposal. Needs to be reesolved through
> the working group discussions (if proposal is accepted)
>
> * Tapan raised the issue of handling the disciplines in digital domain
> - for resolution, choice of either pre-defined built-in types or Kevin
> suggested the use VHDL like user defined types.
> - Tapan mentioned user-defined types is not ideal for this usage and
> preferably have the pre-defined built-in types.
> - Kevin's comment was this will increase number of pre-defined built-in
> types once other requirements come into picture (types on wires for RF
> modeling)
>
> * Yatin wanted the Letter of Assurance that was sent to Accellera to be
> available to the members before going for vote
> - identifies clearly contents of LoA and patents submitted etc
> - Stan confirmed that Cadence will post this LoA to the reflector (after
> call followup - this letter was sent across and has been hosted on the
> eda.org website by Dave Miller)
>
> * Key deadlines
> - The voting on the donation is postponed to 26th of March (1 week
> extension) based on request from Synopsys to have look at LoA, before
> committing on the vote.
> - The donation window will close on 19th March midnight.
>
> Regards,
> Sri
>
>

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