Running Calibre LVS on layout/schematic designed in OpenAccess

Discussion created by wonyoung on Nov 21, 2011
Latest reply on Nov 27, 2011 by samantha_lizak

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Hello,

I am trying to run LVS on layout and schematic files both designed in OpenAccess (OA) using Cadence 6.1.4. I chose "OPENACCESS" format in layout and "export from schematic viewer" in schematic. I get an error message saying "ddMapGetFileViewType: You are trying to run a CDB executable on an OA library file 'sch.oa'." It seems like a schematic problem, not a layout problem. I could not find any option in Calibre to force it to import OA instead of CDB. I use Calibre v2008.4_28.20 and was wondering if this version does not support OA. Any help is appreciated!

Regards,

Wonyoung

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chris_balcom Nov 21, 2011 1:36 PM
Hi Wonyoung, I'm not expert at this but I seem to remember this once happened to someone and they fixed it by changing something about their $PATH variable. Maybe they had both IC51 and IC61 and by reversing the order it solved their problem? Hope it helps narrow the problem for you.
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samantha_lizak Nov 27, 2011 10:22 AM
Hi Wonyoung-

I can't help with the procedural area, but the 2008.4 Calibre Verification User's Manual (CVUM) says that OA is supported. For 2008.4, the OA version is 22.04p007. (This also seems to be referred to as "2.2.6" and "2.2" in places.)

Some places you might check are "Third-Party Layouts" in the CVUM, particularly Table 3-4 listing all the variables; and "Specifying Database Options in DRC" in the Calibre Interactive User's Manual. (The LVS equivalent points to the DRC section for full descriptions.)

Hope this helps-

Sam.
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Running Calibre LVS on layout/schematic designed in OpenAccess

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