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Parasitic extraction tools for Cadence

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Hi Andrew,

I am using "IC6.1.8-64b.500.21" for Virtuoso and "4.1_USR6_HF11" for Assura. By using Assura I am able to do DRC and LVS check properly. However, I came to know that the RCX option is no longer available in Assura tool. I went through this issue https://community.cadence.com/cadence_technology_forums/f/custom-ic-design/37094/confusion-about-drc-lvs-parasitic-extraction-tools that had similar problem like mine and set the QRCHOME variable like the following:

export QRCHOME=/opt/cadence/installs/EXT191

export CDS_PATH=/opt/cadence/installs/EXT191/bin


export PATH=/$QRCHOME/tools/extraction/bin:$QRCHOME/tools/bin

But the QRC menu is not being integrated with Cadence menu. Also, I am getting these two warnings in the Log window:

Please let me know if you have any suggestion to fix this issue. Also please let me know if there is any other way to perform RC extraction using Cadence. I know we can do that by using Calibre, but I don't have access to that. I really appreciate your kind help and support. 

Looking forward to your kind response. 


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