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Error with Calibre PEX using a certain PDK in Cadence Virtuoso

growingmind

Hello,

This question is related to Calibre tools using in Cadence, and I have already asked Mentor this question and the PDK vendor.

I did not know where to post this question, so I am posting it in this forum.

But I had questions relevant to the Cadence Virtuoso version I am using with Calibre and the PDK.

 

I am now using  Cadence Virtuoso (1.6.7.64b.78) and an updated version of Calibre (2015.2).

 

I am getting errors with the PEX Rules file compilation but not with with the LVS or DRC rules file compilations.

 

Calibre will not compile the PEX rules file and gives me the following error (attached).

 

The vendor of the PDK tested this with Cadence IC 1.6.7.500 and Calibre 2015.4.

 

A colleague of mine can run the same PDK with Cadence 1.6.7.500 and Calibre 2014, not Calibre 2015 - in other words an older version of Calibre, a newer version of Cadence Virtuoso - and an older version of Calibre than the PDK vendor sugests.

 

What reason, then could it be that I get a compilation error when my Calibre version is newer ?  Is it the older version of Cadence 1.6.7 ?

Can an older version of Cadence affect the working of Calibre ?

 

Can this error be fixed by updating to a newer version of Cadence Virtuoso ?  What can I do ? 

 

Thank you.

  • This isn't really a relevant question for this forum, because a compilation error in a Mentor tool must be the responsibility of that Mentor tool. I cannot see how the Virtuoso could have an influence. It's quite possible that there's an issue in a particular range of Calibre versions - you're still using a version that is older than the PDK vendor suggests (they said Calibre 2015.4 and you're using Calibre 2015.2). Maybe that issue didn't exist in Calibre 2014, was introduced in or before the subversion you're using, and was resolved by 2015.4.

    This however is complete guesswork. 

    BTW, I assume you meant IC6.1.7.xxx rather than "Cadence" 1.6.7.xxx (there is no release stream called "Cadence" and I think you have the version numbers mixed up).

    Andrew.

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