Minutes, IBIS Quality Committee 18 Mar 2008 11-12 AM EST (8-9 AM PST) ROLL CALL Adam Tambone * Anders Ekholm, Ericsson Barry Katz, SiSoft Benny Lazer Benjamin P Silva Bob Cox, Micron * Bob Ross, Teraspeed Consulting Group Brian Arsenault * David Banas, Xilinx * Eckhard Lenski, Nokia Siemens Networks Eric Brock * Guan Tao, Huawei Technologies Gregory R Edlund Hazem Hegazy John Figueroa John Angulo, Mentor Graphics Katja Koller, Nokia Siemens Networks Kevin Fisher * Kim Helliwell, LSI Logic Lance Wang, IOMethodology Lynne Green * Mike LaBonte, Cisco Systems Mike Mayer, SiSoft * Moshiul Haque, Micron Technology Peter LaFlamme Randy Wolff, Micron Technology Radovan Vuletic, Qimonda Robert Haller, Enterasys Roy Leventhal, Leventhal Design & Communications Sherif Hammad, Mentor Graphics Todd Westerhoff, SiSoft Tom Dagostino, Teraspeed Consulting Group Kazuyoshi Shoji, Hitachi Sadahiro Nonoyama Everyone in attendance marked by * NOTE: "AR" = Action Required. -----------------------MINUTES --------------------------- Mike LaBonte conducted the meeting. Call for patent disclosure: - No one declared a patent. AR Review: AR: Mike send updated IQ 1.1ad document - Done AR: Mike check status of JEITA response document - Mike not sure on the details of this - We will send in this in 3 weeks - Review comments accepted until then AR: Mike invite Walter Katz to talk about measurements BIRDs - TBD New items: Kim had trouble using Safari - Firefox does not show participant list Mike can not meet next week. - The next meeting will be in 2 weeks. IBIS correlation came up at the last IBIS Open Forum - Suggested that the schedule for IQ section 6 be accelerated - Anders: - BIRD 105 makes golden waveforms mandatory - these are not necessary for simulation - Ericsson has trouble getting IBIS features from vendors - Not needed for [Ramp]-only models - Mike: [Ramp]-only is becoming common for very fast interfaces - Donald Telian and Kumar have made this comment - Bob: some tools put rounding on the ramp corners - David: often best to let market forces motivate models provided - Just "rounding the knee" of producing good correlation reports - offers an "escape", not a good report - Moshiul: agree - David: IBIS already has waveforms - Mike: [Test Load] can have T-lines - Bob: not a generalized circuit language - Bob: - We need to focus on BIRD 105 - how do we correlate? - Correlation reports are practical - Anders: corr reports don't help me to verify - Mike: choice of simulator makes a difference - David: What if this delays 5.0? - Bob: This might go into 5.1, or 5.0 if we approve as-is - David: - David: difficult to get IBIS process changes - Mike: correlation reports test only one simulator - Bob: golden waveforms help here - Mike: do golden waveforms account for [Driver Schedule]? - Bob: yes - Bob: if [Model Selector] used, would need waveforms for all - Bob: perception that models are free - Anders: Market forces are not enough - Hard to get vendors to provide our data needs - Mike: agree - [Voltage Range], for example - David: Hard to design with all the guard banding from vendors - Anders: golden data can help find which simulator works best - Mike: can we get agreement on correlation test fixtures? - Moshiul: it depends on the part - David: Xilinx wants to minimize board effects - 5 waveform feature set - Pick 1 demo board that has cleanest route (no vias, short, 50 ohms, etc.) - Mike: s2ibis should generate [Test Data] - David: if you are "intercepting" s2ibis, it has to be done the same way - Bob: use s2i to generate decks, then have to modify - Mike: Does any IBIS model tool produce GW? - no - C_comp - David: is there a better approach than putting this into min & max - Bob: No, that was a mistake - Bob: Guan has a presentation to give on correlation Bob: make have jury duty Next meeting: 01 Apr 2008 11-12 AM EST (8-9 AM PST) Meeting ended at 12:19 PM Eastern Time.