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DL_Procedures_Nov_2004

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					Dual Logo Procedures
      Alex Zamfirescu
    IEC USNC TA TC93
  Convener IEC TC93 WG2
       November 2004
                    Facts

• Both VHDL and Verilog® are DL standards
• Both standards are in maintenance
• Dual Logo maintenance procedures were
  approved by IEEE and IEC, but require
  pragmatic validation
• Some procedure details have to be filled in
                        Proposed Plan
•   Walk through the information flow – identify and agree
    on areas for improvement/refinement
•   Discuss the general major topics
      1.   Actual flow requires that versions of the draft are produced and
           reviewed
               -   simpler for std in maintenance
               -   editor on duty
      2.   Harder to understand IEC document circulation rules
               »   DASC should be minimally affected
      3.   With extra rules IEEE groups might feel unreasonably constrained
      4.   What are the first time process tune-up procedures
»   Joint work to write procedure details, approval
»   Execute maintenance for VHDL and Verilog®
»   Review and Update DL procedures
Submitting Dual Logo Candidates
           to the IEC
• Candidate is formally submitted to the IEC
  Central Office
  – IEC reviews candidate
• IEC Central Office sends a Question of
  Principle (QP) ballot to the SMB
  – Should this document move forward as an
    IEC/IEEE dual logo document?
• If the ballot passes, the document is sent to
  the appropriate IEC TC for “fast-tracking”
     Current IEEE DASC Dual Logo
              Submissions
• Computer Society/Design Automation Committee:
  – IEEE Std 1497-2001 – IEEE Standard for Standard Delay Format
    (SDF) for the Electronic Design Process.. (IEC 61523-3)
  – IEEE Std 1076-2002 – IEEE Standard VHDL Language Reference
    Manual …………………………………..                    (IEC 61691-5)
  – IEEE Std 1364-2001 – IEEE Standard Verilog® Hardware
    Description Language …………………… (IEC 61691-4)
  – IEEE Std 1076.4-2000 – IEEE Standard for VITAL ASIC Modeling
    Specification……………………………….. (IEC 61691-6)
  – IEEE Std 1603-2003 – IEEE Standard for Advanced Library
    Format (ALF) Describing Integrated Circuit (IC) Technology, Cells,
    and Blocks
  – IEEE Std 1076.6-2004, Standard for VHDL Register
    Transfer Level (RTL) Synthesis
  – IEEE Std 1364.1-2002, IEEE Standard for Verilog®
    Register Transfer Level Synthesis
        An IEC-TC/SC needs to                                   IEEE needs to revise
        revise an                                               an IEC-IEEE
        IEC-IEEE standard                                       standard



                  MCR                                                    PAR
                                              INFO




                                          IEC and IEEE
IEC                                      agree on a                                    IEEE
disagrees                                common need                                   disagrees
see note 1                                                                             see note 2




                                                     YES

                                Dual logo maintenance team (DLMT)
                                 set up with members from IEC and
                                IEEE and a convenor jointly accepted
                                            ( see note 3 )
                                                                               Maintenance

                                      Dual logo maintenance
                                                                               Procedure
                                      process see pages 2/3
            The DLMT prepares a draft for comments (CD)




     IEC National Comments                IEEE experts internal ballot
                                 INFO
          ( 3 months )                          ( electronic )




            The DLMT prepares a common compilation of
            comments with possible proposals for change




 IEC-TC/SC takes decision                 IEEE takes decision for the
                                 INFO
 by correspondance or at a                next step ( possibly a
 TC/SC meeting                            second internal ballot )


NO                                                                      NO
           CDV                                     Ballot
           OK? See                                 OK
           note 4               YES                See note
                                                   4

                                                                    Maintenance
               The DLMT prepares a second draft based on
                      commonly agreed changes
                                                                    Procedure
     IEC votes on CDV          See            IEEE sponsor ballot
        (5 months)             note 5            ( 30-45 days )
     NO
                  Positiv                                   Positiv        NO
                     e                  INFO                   e
                  results                                   results

See note 6                            YES                                 See note 6



                      IEEE final ballot. Once approved IEC
                    submits the FDIS for final vote (2 months)
                                   See note 7


                        Revised IEC-IEEE standard                                Maintenance
                                                                                 Procedure
                The DLMT prepares a common compilation of
                comments on the CDV together with
                proposals to solve them



      IEC-TC/SC takes final                         IEEE takes final decisions
    decisions on the comments          INFO         on the comments received
     by email or at a meeting




                     The DLMT prepares the FDIS based on
                        commonly agreed modifications.
     Maintenance Procedure Notes
•   Note 1 – IEC may decide to continue its own route. If any material is used
    from the IEC/IEEE standard, a separate license agreement will be required.
•   Note 2 – IEEE may decide to continue its own route leading to publish a
    revised single IEEE logo standard replacing the previous one. If so IEC will
    withdraw the existing IEC-IEEE standard. Then IEEE may submit to IEC this
    new standard as a candidate for a possible new IEC-IEEE standard according
    to the agreement.
•   Note 3 – The organisation which initiates the process, proposes a convenor
    first. If the proposal is not accepted by the other organisation, another
    convenor has to be chosen amongst the members of the DLMT by mutual
    agreement.
•   Note 4 – At this stage, IEC or IEEE are requested to task the DLMT to provide
    a new draft for comments
•   Note 5 – The 2 ballot processes must be carried out in such a way that the
    deadlines are the same
•   Note 6 – At this stage, IEC or IEEE may decide either to continue their
    respective route or to task the DLMT to provide a new draft for vote by both
    organizations. If IEC decides to continue its own route, then note 1 applies. If
    IEEE decides to continue its own route then note 2 applies.
      – Note 7 – The comments made at this stage must be limited to corrections
          of misspelling or obvious errors which may have been generated during
          the preparation of the FDIS.
Notes

				
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