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I am trying to import my gate level netlist to encounter tool and it asks for Technology LEF file but i have been supplied with file in .tf format. Is there any way to convert this .tf in LEF or to use .tf file directly in the tool.
Hi Nishith, If this is a Milkyway technology file you can use generateLef to convert it. See the following link for the syntax or type "man generateLef" at the Encounter prompt.
Hope this helps,
In reply to wally1:
wally1Hi Nishith, If this is a Milkyway technology file you can use generateLef to convert it. See the following link for the syntax or type "man generateLef" at the Encounter prompt.http://support.cadence.com/wps/mypoc/cos?uri=deeplinkmin:DocumentViewer;src=pubs;q=/fetxtcmdref/fetxtcmdref11.0/importT.html#generateLefHope this helps,Brian
Thanks the command works fine. I have one more issue i have some reference libraries in .db format only is there any way to convert them into LEF.
Thanks in advance
In reply to nisshu:
In reply to bluebear:
Hi Tony, If you have the technology information defined in Virtuoso you can export LEF from Virtuoso. The completeness of the LEF will depend on whether the Virtuoso technology file contains the rules required for Place & Route. I'm not a Virtuoso expert but I think it's under File->Export->LEF...
I've not seen physical libraries in a .db format. I've only seen timing libraries with a .db extension. .db typically indicates a proprietary format which cannot be converted except by the company's tools which created it.
I'm not aware of a way to translate the .tf file to LEF. Encounter cannot read in the .tf file. Encounter can read technology defined in LEF or OpenAccess.
In reply to depend135:
The LEF file represents the physical aspects of the cells. It doesn't contain capacitance or timing information so these warnings can be ignored. Extraction uses the cap table and/or the QRC techfile to calculate cap and resistance. Timing is defined in the timing libraries.