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vamsi_addagada
Joined: 05 Jul 2007
Posts: 132
Helped: 3
Location: bangalore
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 04 Aug 2008 14:46 what is .lib,LEF,SDC,NETLIST.V,?Plz tell me in detail and wi |
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| what is .lib,LEF,SDC,NETLIST.V,?Plz tell me in detail and with files of those?
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sree205
Joined: 13 Mar 2006
Posts: 421
Helped: 30
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05 Aug 2008 11:38 what is .lib,LEF,SDC,NETLIST.V,?Plz tell me in detail and wi |
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*.lib contains the standard cell information, but only the timing information of the cells. This is used during the synthesis and STA phases.
LEF file has the physical information of the std.cells. Some lef file have the physical information of the pads as well. This file is used during the P&R section.
SDC or synopsys design constraint files are used to constraint the design. This file is used to get the netlist of the design and is further used during the P&R phase as well.
Netlist.v, as u know, is the file you get out of synthesizing the RTL file to a particular library(*.lib file).
Incase if you need any particular information about any of the files, please post the question.
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05 Aug 2008 11:38 Ads |
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Amruth
Joined: 10 Oct 2007
Posts: 39
Helped: 2
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09 Aug 2008 17:27 Re: what is .lib,LEF,SDC,NETLIST.V,?Plz tell me in detail an |
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LEF = library extraction format it also contains RC values also
SDC contains clock information,false path and multi cycle path, cap,fanout and transition values
.v is gate level net list file which is o/p from synthesis
.lib also contains power and timing look up tables
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kumar_eee
Joined: 22 Sep 2004
Posts: 516
Helped: 16
Location: Bangalore,India
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11 Aug 2008 10:05 Re: what is .lib,LEF,SDC,NETLIST.V,?Plz tell me in detail an |
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Hi Amruth, I would like to correct you..
LEF --> Library Exchange format...
not Library Extraction format..
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