[ibis-macro] minutes from 2 aug 2005 phone call
- From: "Mike LaBonte (milabont)" <milabont@xxxxxxxxx>
- To: <ibis-macro@xxxxxxxxxxxxx>
- Date: Tue, 2 Aug 2005 16:59:30 -0400
Minutes from 2 aug 2005 ibis-macro phone call are attached.
Note that we have the ongoing AR to read the Verilog-AMS LRM:
http://www.sisoft.com/ibis-macro/docs/verilog_ams_lrm_2.2.pdf
Mike
meeting date: 2 aug 2005
attending: Arpad Muranyi, Ken Willis, Mike LaBonte, Barry Katz, Todd Westerhoff
AR Review:
- AR: Ken will send some Cadence macros
Done, uploaded to website.
- AR: Mike will change email list so that reply is to sender
Done
- AR: All look into http://accellera.org
Wrong! We were supposed to read the LRM. See AR below.
Letter responses
- Fred Balistreri and Ian Dodd added to reflector.
Andrew Ingraham added himself.
- C.K. Kumar no longer at Synopsys, Geoffrey Ying named.
AR: Arpad will send letter to Geoffrey Ying @ synopsys
LRM discussion
- Arpad has had continued discussions with Verilog-AMS discussion group.
- Verilog-AMS reflector members may not understand how much variation
there is among SPICE implementations.
- Is there an archive of these discussions?
AR: Arpad will send reflector info
AR: All read verilog-AMS LRM:
http://www.sisoft.com/ibis-macro/docs/verilog_ams_lrm_2.2.pdf
Plan for DesignCon:
- 4 phone calls left
- Make enough library elements to implement pre-emphasis buffer
- Demonstrate it in AMS
- Barry can translate AMS example to ISPICE4 (if simple enough)
- Demonstrate it in DML
- Does Cadence example need cleanup?
Discussion of Cadence pre-emphasis DML model
- Looks "non-standard", do we need all these features?
- Seems like it could be simplified, flattened
- Should use separate IBIS buffers
- Arpad's pre-emphasis example already does this
- Best way to handle C_comp?
- If set to 0 in 2nd tap, slight error will be introduced.
- Could set C_comp proportional to each buffer size
- Best method is to extract each tap separately
- Should we use Ramp-only buffers? Maybe, maybe not.
AR: Arpad will convert his pre-emphasis buffer example to use building blocks
based on Mike's skeleton library
Next meeting: Tuesday August 9, 2005.
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