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BIRD ID#:        115 
ISSUE TITLE:     Clarifying Min/Typ/Max in IBIS-AMI
REQUESTER:       Arpad Muranyi, Mentor Graphics, Inc.
DATE SUBMITTED:  September 23, 2010
DATE REVISED:    
DATE ACCEPTED BY IBIS OPEN FORUM: October 22, 2010

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STATEMENT OF THE ISSUE:

Section 6c of the IBIS v5.0 specification is not completely clear about the
rules for min/typ/max.

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STATEMENT OF THE RESOLVED SPECIFICATIONS:


Replace the following lines:

|     Increment <typ> <min> <max> <delta>
|               After expansion, the allowed values of the parameter are
|               typ+N*delta where N is any positive or negative integer
|               value such that:  min <= typ + N*delta <= max

with these lines:

|     Increment <typ> <min> <max> <delta>
|*              where min <= typ <= max and delta is always positive.
|*              After expansion, the expanded values of the parameter are
|*              typ + N*delta where N is any positive or negative integer
|*              value provided by the EDA tool during the expansion process
|*              so that:  min <= expanded values <= max

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ANALYSIS PATH/DATA THAT LED TO SPECIFICATION

These questions were raised by the parser developer while working on the
IBIS v5.0 parser program.  Careful reading of the specification revealed
that the rules were not completely defined.

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ANY OTHER BACKGROUND INFORMATION:


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