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********************* IBIS GOLDEN PARSER BUG REPORT FORM *********************
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INSTRUCTIONS

To report a bug in the IBIS golden parser.  Please fill out the top part
of the following form and send the complete form to ibischk-bug@vhdl.org.

A list of reported bugs will be maintained on vhdl.org.

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PARSER VERSION NUMBER: 3.2.5

PLATFORM (SPARC, HP700, PC, etc.): HP

OS AND VERSION: HP_UX (B.10.20)

REPORTED BY: Michael Mirmak, Intel Corp.

DATE: December 6, 2000

DESCRIPTION OF BUG:

Use of the the keyword [Add Submodel] instead of [Submodel] 
causes program "hangs."  While text output is generated properly 
identifying the error, the program will not generate a final error 
count and pass/fail verdict.  The program will not end without
user intervention.

The enclosed example will "hang" the IBISCHK3 program; however,
program crashes have been observed with more complex models.

This bug also applies to DOS32 IBISCHK3 v3.2.5 under Windows 98SE.

INSERT IBIS FILE DEMONSTRATING THE BUG:

|***********************************************************************
|
[IBIS Ver]       3.2
[File Name]      bug52tst.ibs
[File Rev]       0.0
[Date]           05-December-2000
[Source]         File created from specification
|
[Disclaimer]
    (C) Copyright 2000 Intel Corp.
    All rights reserved
    This model is for demonstration purposes only,
|
[Component]      GENERIC_IBIS
[Manufacturer]   Intel Corp.
|
[Package]
|                typ        min        max
R_pkg            6.0mO      5.0mO      7.0mO
L_pkg            5.0nH      2.0nH      8.0nH
C_pkg            1.0pF      0.5pF      1.5pF
|
|
[Pin]     signal_name      model_name    R_pin    L_pin    C_pin
    1     TestSignal       TestModel          
|
|************************************************************************
|
[Model]          TestModel
Model_type       I/O
Polarity         Non-Inverting
Vinl = 800mV
Vinh = 2.0V
|
Cref = 10.0pF
Vref = 0.0
Rref = 25
Vmeas = 0.4
C_comp                    5.00pF            4.00pF            6.00pF
|
|
[Temperature Range]       27.00             100.00            0.00
[Voltage Range]           5.0V             4.75V              5.25V
[Add Submodel]    
testsub                   Non-Driving
|
[Pulldown]
| voltage     I(typ)              I(min)              I(max)
|
  -5.0000      -40.0m          -34.00m           -45.00m
  -4.0000      -39.0m          -33.00m           -43.00m
   0.0000       0.0m             0.00m             0.00m
   5.0000       40.0m            34.0m            45.00m 
  10.0000       45.0m            40.0m            49.00m
|
[Pullup]
| voltage     I(typ)              I(min)         I(max)
|
  -5.0000      32.0m            30.00m           35.00m
  -4.0000      31.0m            29.00m           33.00m
   0.0000       0.0m             0.00m            0.00m
   5.0000     -32.0m            -30.0m          -35.00m 
  10.0000     -38.0m            -35.0m          -40.00m
|
[GND Clamp]
| voltage     I(typ)              I(min)              I(max)
|
  -5.0000    -3900.0mA         -3800.00mA           -4000.00m
  -0.7000      -80.0m            -75.00m              -85.00m
  -0.6000      -22.0m            -20.00m              -25.00m
  -0.5000       -2.4m             -2.00m               -2.90m
  -0.4000        0.0A              0.0A                 0.00A 
   5.0000        0.0A              0.0A                 0.00A
|
[Power Clamp]
| voltage     I(typ)              I(min)              I(max)
|
  -5.0000     4450.00m            NA                   NA
  -0.7000       95.0m             NA                   NA
  -0.6000       23.0m             NA                   NA
  -0.5000        2.4m             NA                   NA
  -0.4000        0.0m             NA                   NA
   0.0000        0.0m             NA                   NA
|
[Ramp]
|variable        typ              min                  max
dV/dt_r          2.20/1.06n       1.92/1.28n           2.49/650p
dV/dt_f          2.46/1.21n       2.21/1.54n           2.70/770p
R_load = 300ohms
|
[Add Submodel]     testsub
Submodel_type  Dynamic_clamp
[GND Clamp]
| voltage     I(typ)              I(min)              I(max)
|
  -5.0000      -40.0m          -34.00m           -45.00m
  -4.0000      -39.0m          -33.00m           -43.00m
   0.0000       0.0m             0.00m             0.00m
   5.0000       40.0m            34.0m            45.00m 
  10.0000       45.0m            40.0m            49.00m

[End]
|
|
|Parser 3.2.5 responds with
|
|IBISCHK3 V3.2.5
|
|Checking bug51tst.ibs for IBIS 3.2 Compatibility...
|
|ERROR (line   91) - Add sub model: Already Defined for this model
|ERROR (line   91) - 
|    Incorrect Number of Line Items (2) For Add Submodel: Expecting 1
|ERROR (line   92) - Invalid Add Submodel Mode ("Dynamic_clamp")
|ERROR (line   93) - GND Clamp Already Defined
|
| Program "hangs" at this point.  User intervention is required.
|
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******************** BELOW FOR ADMINISTRATION AND TRACKING *******************
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BUG NUMBER: 52

SEVERITY: [FATAL, SEVERE, MODERATE, ANNOYING, ENHANCEMENT]  SEVERE

PRIORITY: [HIGH, MEDIUM, LOW]                               MEDIUM

STATUS: [OPEN, CLOSED, WILL NOT FIX, NOT A BUG]             CLOSED

FIXED VERSION:  Version 3.2.8

FIXED DATE:     November 20, 2001

NOTES ON BUG FIX:  Classified on December 8, 2000 IBIS Meeting and to be
                   fixed in a future ibischk3 release


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