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What is the difference between .sdc and .tcl script

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siva_7517

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hi,

Can i know what is the diffrence between .sdc and .tcl script?

Regards,
Siva
 

farmerwang

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TCL script is what you used to run your tool, DC for example. SDC is "Synopsys Design Constraint" file, this is the constraints that applied to your design. SDC typically used by timing driven place & route tool.
 
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jackson_peng

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In PR tools, .sdc cantain the detail constrain on the corresponding netlist.
While, .tcl descript the constrain on the RTL.
 
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