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OA flow

  • Re: Encounter to Virtuoso

    Hai, You can convert oa from lef using following command. 1) lef2oa -lef lef_file_name -lib output_library But std cells in the output library only in abstract view. (you can see only metals in abstract view). Also, 2) strm2oa -gds input_gds_file_name -lib output_library -techLib tech_file_name to generate...
    Posted to Digital Implementation (Forum) by selvam27 on Fri, Nov 22 2013
  • Re: Doubt regarding import gds in encounter

    Thanks Brian. I learnt lot from you. I'm interest to learn about Open Access. If you have any documentation related to Open Acess(OA), sent me. Thanks, Selva.
    Posted to Digital Implementation (Forum) by selvam27 on Fri, Jan 25 2013
  • Re: Doubt regarding import gds in encounter

    Thanks Brian. Based on my knowledge gds contains mos and its connections. Lef only contains the metal connections and via informations. When I'm converting standard cells gds to oa library, I'm getting the layout view. I'm trying to clear lvs using this layout view after routing,it shows...
    Posted to Digital Implementation (Forum) by selvam27 on Thu, Jan 24 2013
  • Re: Doubt regarding import gds in encounter

    Thanks wally . It works fine. I have one doubt regarding this. Whether the mos and its connections are present in standard cells while using oa_lib (testLib) as input? Can I streamout the final gds without using standard cell gds?
    Posted to Digital Implementation (Forum) by selvam27 on Wed, Jan 23 2013
  • Encounter terminated by internal (SEGV) error/signal...

    Hi, I was trying to load a OA cellview (loading a existing layout), Encounter dies with the message "Encounter terminated by internal (SEGV) error/signal...". The log file ends with the following line under gdb section: *** INTERRUPTED *** [signal 1] 18824: No such process Any suggestions why...
    Posted to Digital Implementation (Forum) by Lamech on Mon, May 2 2011
  • Use of OA libs instead of lef file

    Hey guys, I am a little bit confused about the input of OA libs instead of lef files. I have been defining only OA libs (tech_lib and stdcell_lib) in my config file but then I wondered how actually "verifyGeometry" and "verifyProcessAntenna" work. In documentation, it says that the...
    Posted to Digital Implementation (Forum) by bellekci on Tue, Feb 1 2011
  • runQRC for OA flow

    Hi all, I have OpenAccess flow in encounter. For signoff timing, I am using signoff extraction using runQRC in SocEncounter 8.1. From the document: The following command extracts RC parasitics using technology file qrc.tch , and cell library file library_new , and generates a reduced SPEF file qrc.spef...
    Posted to Digital Implementation (Forum) by diablo on Wed, Sep 30 2009
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