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15 Threads found on Gtech Synopsys
I'm using synopsys DC to synthesize a design, the compilation finishes with no errors, also all warnings are reasonable (unconnected signals and so). the problem is when I check the verilog netlist I find gtech cells! most cells are mapped to library cells as normal, but there are some unmapped gtech cells (basic AND2/XOR2/INV cells) and (...)
I'm beginner of using Design compiler (synopsys) but I want to know the library file ,such as lsi_10k .db , class.db, gtech.db. which company serves this library or which nanometer they are served. though I looked for this data in solvnet, and also throw a question via e-mails, but They didn't give a clear answer. How can I get this inform
if you haven't specific technology library, you can use generic one, that comes with DesignCompiler. Example: set target_library "/libraries/syn/gtech.db" analyze elaborate compile Then, open GUI.
what is the importance of gtech libraries in synthesis?? i mean in the process of synthesis, why we have to first transform to gtech cells, and what happened, if we directly mapped with technology dependent cell in target libraries...
I want to run fm_shell using multi cpus in one servel (not multi sevel) but it seems not work. Hostname: RHEL37 (amd64) Current time: Thu Sep 17 11:32:11 2009 Loading db file '/tool/synopsys/fm_2007.06_SP3/libraries/syn/gtech.db' fm_shell (setup)> add_distributed_processors rhel37*4 Status: Forking successful
Hi Bhargav, In synopsys you have .synopsys_dc_setup file. In this file you have to specify your link and target library in order to map your logic to actual library. If you don't specify any library as target and link lib. it will map the logic is its standard gtech library(generic tech library). Hope this will solve your problem.......
Hi bcdeepak, What do you mean by "using its library (default)". Is it a generic library or gtech? I hope it is not a generic library. Cause you can't use this lib to synthesize and layout your design. You need a real tech lib, ex. tsmc or ami or others and you must use the same tech lib for synthesis and layout. Hope it helps.
Hi, synopsys has a tool design compiler. Following is a method to create gate level equivalent for There gtech library. -------------------------------------------------------------------------------------------- To create a netlist with gates that are technology independent, you should use a generic library, such as the generic technology
you must use dont_touch on library cell, not math logic. synopsys will translate math logic to gtech library, then map to target library. If you want delay chain. Just use target cell directly. then set_dont_touch on them.
synopsys gtech is in synopsys .db format. ------------------------------------------------------------------ You can find it unfer the tool install directory, $install_dir > find . -name "gtech.db"
Hi all, When synthesizing RTL to netllists, synopsys Design Compiler will read gtech lib to generate a technology-independent netlist before reading lib from foundary such as TSMC. My question is what's the format of the file mapped from gtech lib? Could the file mapped from gtech lib be written out? How to do that? (...)
Hi All, My customer use synopsys gtech gate level netlist verilog format as hand-off format. (set target_library = gtech.db in DC) But we use Cadence RTL compiler as synthesis tool. How to compile synopsys gtech gate netlist in RTL compiler to otimize and map to technology library cells?
coreConsultant can also generate what is called a gtech representation of the core. This can be used for simulation with any simulation tool. You will have to have the synopsys gtech libraries to do so. gtech is in a netlist format fyi. To generate readable rtl, you need the core's source license.
hello members after a long and patient search i have got synopys dc wint nt 2000.11 from a board member . yu guys must be knowing that a good board member uploaded it in 39 zip 4mb zip files in his ftp server which is now closed. i have installed it successfully . however when i try to b build the gtech files from hdl sources then i get the
How to convert synopsys gtech.db to Debussy's symbol library?