IBIS Macromodel Task Group Meeting date: 29 March 2011 Members (asterisk for those attending): Agilent: * Fangyi Rao * Radek Biernacki Ansoft: Chris Herrick Danil Kirsanov Ansys: Samuel Mertens * Dan Dvorscak Deepak Ramaswamy Jianhua Gu * Curtis Clark Cadence Design Systems: Terry Jernberg * Ambrish Varma Celsionix: Kellee Crisafulli Cisco Systems: Mike LaBonte Stephen Scearce * Ashwin Vasudevan Ericsson: Anders Ekholm IBM: Greg Edlund Intel: Michael Mirmak LSI Logic: Wenyi Jin Mentor Graphics: * John Angulo Vladimir Dmitriev-Zdorov Zhen Mu * Arpad Muranyi Micron Technology: Randy Wolff Nokia-Siemens Networks: * Eckhard Lenski Sigrity: Brad Brim * Kumar Keshavan * Ken Willis SiSoft: * Walter Katz Mike Steinberger Todd Westerhoff Snowbush IP: Marcus Van Ierssel ST Micro: Syed Sadeghi Teraspeed Consulting Group: Scott McMorrow * Bob Ross TI: Casey Morrison Alfred Chong Vitesse Semiconductor: Eric Sweetman Xilinx: Mustansir Fanaswalla The meeting was lead by Arpad Muranyi ------------------------------------------------------------------------ Opens: Ambrish asked why BIRDs are submitted directly to the Open Forum: - At least the AMI related BIRDs should be discussed in the IBIS-ATM committee first. - Arpad: There is no rule about this. - Anyone can submit BIRDs to the Open Forum - The general guideline is to submit finished BIRDs which do not need tedious technical work and refinements. - That work needs to be done in the workgroups. - Walter: This should be discussed in the Open Forum. - Ken: There should be a "gentlemen's agreement" in this committee that AMI-related BIRDs should go through here first. -------------------------- Call for patent disclosure: - None ------------- Review of ARs: - Ambrish start a BIRD on task list row 25 - In progress - Bob write a BIRD on correcting Table 1-3 in the spec. (Row 23). - In progress ------------- New Discussion: Bob discussed parser bug fixes. - Ambrish mentioned that Reserved_Parameter and Model_Specific sections could legally be reversed. - Arpad brought up sequence-specific nature of Dependency tables, but that did not appear to be a showstopper per Walter. Quick intro to BIRD 129 by Arpad on polarity for D_to_A converters for use by [External Model] syntax. - Along with updates to analog modeling BIRDS 117 and 118. Walter gave a quick overview on BIRD 123.1 (jitter) and 122.1 (analog modeling). - BIRD 123.1 has been posted to the Open Forum and basically contains an additional parameter. - BIRD 122.1 is not finished yet, and is a major re-write of the previous version. - It needs more work and careful review. - Bob thought that due to the large amount of new content this should be a new BIRD and BIRD 122.1 should be voted down. - Walter did not oppose the suggestion. Crosstalk BIRD was updated to rev. 10 through multiple emails over the week. - It is now out for review with the target to vote on it next week. Ambrish went through the Type_Format_Table_BIRD_02.txt, which documents what is currently allowed. - This will be put on the back-burner for now, as it has dependencies on the Table BIRD. Ken and Kumar went through updates to the back-channel proposal. - Kumar answered questions on some of the keywords like LFSR, LFSR_seed, etc. - There were ideas on how to make the format of those more compact. - Many questions from Walter on 802.3 spec. - TrainOn parameter could be a string, and Train could be a list since SerDes IP can often support multiple standards. - Described how the intent of parameters inside of BackChanControls were not intended to be Reserved_Parameters, but similar to Model_Specific parameters for the particular standard. - There was some discussion on how to handle standard-specific files. ------------- Next meeting: 05 Apr 2011 12:00pm PT Next agenda: 1) Task list item discussions ------------- IBIS Interconnect SPICE Wish List: 1) Simulator directives