Time: Tuesday, June 20, 2017 at Noon US Pacific Time
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WebEx:
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Meeting Number: 735 161 627
Meeting Password: IBIS
Audio:
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Agenda
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1) Opens
2) Roll call
3) Review of ARs:
Ambrish: Update the BIRD draft and send it to Mike to post
it on ATM and submit to the Open Forum
- done
Any other AR-s?
4) Call for any IBIS related patent disclosures
5) Approval of minutes
6) BIRD190 (Ambrish)
- discussion
- make a recommendation to the IBIS Open Forum
7) BIRD158.6 AMI Touchstone Analog Buffer Models (Katz et al)
- waiting for Radek's new revision (waiting for 186)
- discussion
8) Single ended applications of algorithmic modeling (All)
- do we need to make any changes in the spec?
- we need Fangyi's presence to discuss his concerns
- discussion
a) single ended filter needs different algorithms
EQ effecting Vref
b) rise/fall may be asymmetric
gets worse at higher data rate
c) loss of information when using difference signals only
9) Buffer impedance / C_comp improvements (Randy)
- discussion
10) New BIRDs from Editorial Task Group? (Bob/Radek)
a. Specify buffer reference terminals for pins ([Pin Reference])
b. Simulation (aka DIA) vs. DUT (depends on #a)
c. C_comp and package reference in simulation clarifications
(depends on #a)
d. Make changes to the [Receiver Threshold], once a. and b. are resolved
Tabled topics:
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11) BIRD 166.3 draft5 and new Redriver flow BIRD (Walter, Fangyi)
- discussion
- decide how we should move forward with the proposals
- for later:
- add equations (to Fangyi's proposal)
- consider rewriting the AMI "front end" in the spec (flows)
(when Fangyi's proposal is added)
12) How to handle missing min/max data? (Arpad)
- what should be the governing rule for synchronizing
typ/min/max data?
Pending BIRDs, expected to be rejected:
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125.1 Make IBIS-ISS Available for IBIS Package Modeling
145.3 Cascading IBIS I/O buffers with [External Circuit]s using the [Model
Call] keyword
163 Instantiating and Connecting [External Circuit] Package Models with
[Circuit Call]
164 Allowing Package Models to be defined in [External Circuit]
Pending BIRDs, expected to be accepted (currently in discussion):
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158.5 AMI Touchstonefile (R) Analog Buffer Models
166.3 Resolving problems with Redriver Init Flow
181.1 I/V Table Clarifications
186.2 File Naming Rules
189.3 Interconnect Modeling Using IBIS-ISS and Touchstone
TBD New proposal for Redriver Flow (may replace BIRD166)
TBD C_comp modeling with IBIS-ISS
Pending BIRDs awaiting discussion:
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161.1 Supporting Incomplete and Buffer-only [Component] Descriptions
165 Parameter Passing Improvements for [External Circuit]s
Thanks,
Arpad
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