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LEF abstract generation databse units

  • RULE LEF_DEFAULT definition for Abstract Generator/Encounter/NanoRoute

    I am using Cadence Abstract Generator to create abstract cell views for a standard cell library. In the Verify Step, I keep getting the following error: Encounter: (NRDB-158) There is no default via from LAYER MET1 to LAYER MET2 in RULE LEF_DEFAULT. I do not know how or where to define this RULE LEF_DEFAULT...
    Posted to Custom IC Design (Forum) by eklikeroomys on Tue, Mar 15 2011
  • Power Net Extraction Problem in Abstract Generator

    Halo, I am creating abstract cell views for a digital standard cell library using Cadence Abstract Generator.I have the following problem: In the Extract Step, I set the tool up to extract signal and power nets and to create pins on metal 1 so that my abstract view will keep its connectivity. The extract...
    Posted to Custom IC Design (Forum) by eklikeroomys on Mon, Mar 14 2011
  • Re: lef unit confusion

    Do you know how to set the LEF UNITS DATABASE MICRONS? The digital vendor is asking for 2000, but the default in the technology file is creating MICRON UNITS as 100. I am exporting a flat abstract viewcell with only ports and metal blocking layers using the File, Export, LEF. Thanks, MD
    Posted to Digital Implementation (Forum) by mdconcepts on Wed, Oct 20 2010
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