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Encounter,DEF

  • Classification of nets in DEF

    Can anyone help me understand why there are classifications of NETS, PINS, and SPECIALNETS in DEF? I am looking at the Cadence 13.14 EDI LEF/DEF Language Reference manual - version 5.8, March 2013. It shows the following for NETS (and something very similar for PINS and SPECIALNETS) : --------------...
    Posted to Digital Implementation (Forum) by RobB on Fri, Sep 20 2013
  • Place and route on SOC encounter

    Hello, I am a newbie at place and route operation. Can anyone please tell me how do you make sure that all the blockes i your design are arranged in a certain way while doing place and route . I mean I have like around 300 odd blockes to be eranged and I want them to be ordered row wise and column wise...
    Posted to Digital Implementation (Forum) by amythpai on Sun, Mar 17 2013
  • Via Placement issue.

    Hi every one, I'm Lakshmi Prashanth, and i'm new to this encounter tool, I've got a problem., initially when i was moving the PG net over the Macros, tool was automatically placing the via's, But suddenly yesterday, some via's are deleted automatically, I don't know how, and If...
    Posted to Digital Implementation (Forum) by Leader on Tue, Feb 12 2013
  • Re: DEF import to Virtuoso

    Hello, just execute "Create Layer Generation"as follows and select your corrsponding layers. i.e.: <MetalX drw> AND <MetalX drw> = <MetalX pin> That's how it worked in ic5, as far as I remember. Regards, scudex
    Posted to Digital Implementation (Forum) by scudex on Thu, Jul 28 2011
  • DEF import to Virtuoso

    Im trying to import my DEF file from Encounter (Version 9.1) into Cadence Virtuoso (Version 5.1) to do my post P&R analysis, instead of using the GDS2 import from Encounter. I have successful in importing the design without errors EXCEPT for one, the layout is missing the metal LAYERS beneath the...
    Posted to Digital Implementation (Forum) by superman321 on Mon, Jul 18 2011
  • 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
  • Problems Importing OA Design from Virtuoso into Encounter

    Hello, While trying to perform place and route using Encounter I'm "encountering" errors importing my design from Virtuoso. When I try to import the design, I get the following: Reading tech data from OA Library 'NCL' ... FE units: 0.001 microns/dbu, OA units: 0.001 microns/dbu...
    Posted to Digital Implementation (Forum) by TruLogic on Mon, Jan 10 2011
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