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Scope

Page 1 of 1 (9 items)

gds streamins in CDB and OA, interchangeably
Hi all, We have designs in CDB as well as in OA (Cadence 6.15) and for some reason we could not use the conversion scripts between databases. Instead we wanted to stream out OA design as gds and read in (stream in back) in CDB for top level integration. However it has problems and it reports to specify the rod directory, so, During gds ...

Posted to Custom IC Design (Forum) by ASICnm on Wed, Oct 12 2011
Re: OA database: Design database revision (59) is not compatible with current revision (99).
Thanks Andrew for the reply. I will shuttle to the new libraries available from ST. Actually the problem arose when we converted the dense layout from CDB via cdb2oa, and found out the issues in the layout upon OA conversion (such as DRC, alignment errors etc.) Anyhow, due to short time we will tapeout in CDB for this time it ...

Posted to Custom IC Design (Forum) by ASICnm on Fri, Sep 16 2011
Re: OA database: Design database revision (59) is not compatible with current revision (99).
It seems im using a new version of IC, but have libraries are old database format.. Regards,

Posted to Custom IC Design (Forum) by ASICnm on Wed, Sep 14 2011
OA database: Design database revision (59) is not compatible with current revision (99).
Hi all I am doing the top level design with Cadence IC 6.1.5, using some ST CMOS 65nm design kits/libraries. Now the libraries im using contain both the CDS and CDSOA (openaccess) version for the pads. For the OA database i select the CDSOA libraries (containing layout.oa), but IC 6.1.5 fails to read them displaying this msg: ...

Posted to Custom IC Design (Forum) by ASICnm on Wed, Sep 14 2011
CDB to OA library conversion: cdb2oail error
Hi, We are trying to port our design libraries from CDB to OA using the cdb2oa script. Our CDB libraries use the ST Microelectronics cmos065_522-2 technology library. The converted OA libraries also use the cmos065_522-2 library. When we execute cdb2oa we get the following error message in the log file ERROR ...

Posted to Custom IC Design (Forum) by ASICnm on Thu, Sep 8 2011
Re: AC vs. PZ analysis
Thanks Andrew, I tried it MMSIM101 and yet the result is still the same. So I will now go forward with customer support. BTW, im interested to know the additions in various MMSIM versions.

Posted to Custom IC Design (Forum) by ASICnm on Sun, Apr 24 2011
AC vs. PZ analysis
I have a complex opamp model built using ideal sources (no transistors models). I am interested in frequency response, so tried both AC and PZ analysis, to check the dominant pole (-3 dB), resulting as: AC @ 59.24 MHz , and PZ @ 60.18 MHz. This is fairly close, then i compensate the model (miller compensation with nulling resistor) to stretch ...

Posted to Custom IC Design (Forum) by ASICnm on Wed, Apr 20 2011
Re: ams_cds script error
thanks man, im finally taking help from them already

Posted to Custom IC Design (Forum) by ASICnm on Mon, Sep 8 2008
ams_cds script error
Hi, The ams_cds script takes me in the cadence window where it says *Error* eval: undefined function - AMS_checkProcessOption I have started cadence with : ams_cds -tech c35b4 -mode fb in the above query It seems to me theres something wrong with the tech file here. Suggest solutions. Regards, ASICnm

Posted to Custom IC Design (Forum) by ASICnm on Sun, Sep 7 2008

Page 1 of 1 (9 items)

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