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TRoa
Novice
163 Views

Path delay between two nets

Hi,

I have a big Verilog based design. There is a computational block in there in the design. For example one like below:

 

module (aa,bb,cc,dd);

input aa ,bb, cc;

output dd;

assign dd = cc ? aa : bb;

endmodule

 

Now, I just want to know that what will be the path delay from aa to dd? Simple.

I am trying to use Timing Analyzer. But there are many options that I am getting confused(its my first time using this tool). I am working on Cyclone IV E device.

Can anyone give a hint how to achieve that?

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KennyT_Intel
Moderator
59 Views

Timing analyzer analyse path base on register to register. What you need to do is to add aa bb cc dd as a register and write the correct constrain of it.

 

Since you are new to timing analysis, my suggestion is to look into the training module here

 

https://www.intel.com/content/www/us/en/programmable/support/training/course/odsw1115.html

 

Make sure you click on the follow on courses. Thanks

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