****************************************************************************** ********************* IBIS GOLDEN PARSER BUG REPORT FORM ********************* ****************************************************************************** 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. ****************************************************************************** PARSER VERSION NUMBER: Found in IBISCHK3 V3.2.7 built for Windows 95 PLATFORM (SPARC, HP700, PC, etc.): PC OS AND VERSION: Window NT 4.0 Server (Build 1381: Service Pack 6a) REPORTED BY: Matthew Flora, Innoveda, Inc. DATE: 6 Apr 2001 DESCRIPTION OF BUG: Parser fails to detect and report clamp I-V tables where current always flows. INSERT IBIS FILE DEMONSTRATING THE BUG: [IBIS Ver] 2.1 [File Name] isource.ibs [File Rev] 0.1 | |*************************************************************** | [Component] TEST [Manufacturer] Test File [Package] | variable typ min max R_pkg 0.0m NA NA L_pkg 0.0nH NA NA C_pkg 0.0pF NA NA | |*************************************************************** | [Pin] signal_name model_name 1 One_Pin in | |************************************************************************ | [Model] in Model_type Input Vinl = 0.80V Vinh = 2.00V C_comp 2.00pF 1.00pF 3.00pF | [Temperature Range] 50.00 100.00 0.000 [Voltage Range] 5.00V 4.50V 5.50V | [POWER_clamp] | voltage I(typ) I(min) I(max) | -5.00 4.86A 5.11A 4.42A -4.90 4.79A 5.04A 4.36A -4.80 4.73A 4.96A 4.31A -4.70 4.66A 4.89A 4.25A -4.60 4.60A 4.82A 4.20A -4.50 4.54A 4.75A 4.14A -4.40 4.47A 4.67A 4.09A -4.30 4.41A 4.60A 4.04A -4.20 4.34A 4.53A 3.98A -4.10 4.28A 4.46A 3.93A -4.00 4.21A 4.38A 3.87A -3.90 4.15A 4.31A 3.82A -3.80 4.09A 4.24A 3.76A -3.70 4.02A 4.17A 3.71A -3.60 3.96A 4.09A 3.65A -3.50 3.89A 4.02A 3.60A -3.40 3.83A 3.95A 3.54A -3.30 3.76A 3.88A 3.49A -3.20 3.70A 3.80A 3.43A -3.10 3.64A 3.73A 3.38A -3.00 3.57A 3.66A 3.33A -2.90 3.51A 3.59A 3.27A -2.80 3.44A 3.51A 3.22A -2.70 3.38A 3.44A 3.16A -2.60 3.32A 3.37A 3.11A -2.50 3.25A 3.30A 3.05A -2.40 3.19A 3.22A 3.00A -2.30 3.12A 3.15A 2.94A -2.20 3.06A 3.08A 2.89A -2.10 3.00A 3.01A 2.83A -2.00 2.93A 2.94A 2.78A -1.90 2.87A 2.86A 2.73A -1.80 2.80A 2.79A 2.67A -1.70 2.74A 2.72A 2.62A -1.60 2.68A 2.65A 2.56A -1.50 2.61A 2.58A 2.51A -1.40 2.55A 2.50A 2.45A -1.30 2.48A 2.43A 2.40A -1.20 2.42A 2.36A 2.34A -1.10 2.36A 2.29A 2.29A -1.00 2.29A 2.22A 2.24A -0.90 2.23A 2.14A 2.18A -0.80 2.17A 2.07A 2.13A -0.70 2.10A 2.00A 2.07A -0.60 2.04A 1.93A 2.02A -0.50 1.98A 1.86A 1.96A -0.40 1.91A 1.79A 1.91A -0.30 1.85A 1.72A 1.86A -0.20 1.78A 1.64A 1.80A -0.10 1.72A 1.57A 1.75A 0.00 1.66A 1.50A 1.69A | [End] ****************************************************************************** ******************** BELOW FOR ADMINISTRATION AND TRACKING ******************* ****************************************************************************** BUG NUMBER: 56 SEVERITY: [FATAL, SEVERE, MODERATE, ANNOYING, ENHANCEMENT] ENHANCEMENT PRIORITY: [HIGH, MEDIUM, LOW] LOW STATUS: [OPEN, CLOSED, WILL NOT FIX, NOT A BUG] CLOSED FIXED VERSION: 3.2.8 FIXED DATE: November 20, 2001 NOTES ON BUG FIX: Classified at the April 20, 2001 IBIS Meeting. A general fix related to issuing a Warning mesage if the I-V table currents do not pass through 0 ma or at least converge to 0 ma within some noise tolerance needs to be proposed. More discussion is needed since there was debate on the details of the problem Resolve to fix problem at the May 11, 2001 IBIS Meeting. The tolerance for testing a "0" value was set to 1 uV at the June 1, 2001 IBIS Meeting. (Corrected in response to a question from Atul Agarwal to be 1 uA tolerence. 9/10/01). ****************************************************************************** ******************************************************************************