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Forums > Digital IC > Floorplanning, Place and route

Subject: How to correlate RC/PLE results with FE/CTE?
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clsantos
Posts: 31
Online: User is Offline
8/06/2007 12:50 PM  
Hello all,

I'm trying to use FE/CTE to perform STA pre-layout but I don't know how to correlate the STA results of RC (using PLE) with the results from CTE.

I found the following help messages in sourceLink but they seem to be conflicting:
http://sourcelink.cadence.com/docs/db/kdb/2006/Nov/11286284.html
http://sourcelink.cadence.com/docs/db/kdb/2007/June/11350058.html
http://sourcelink.cadence.com/docs/db/kdb/2006/June/11249762.html

Can anyone help me?

Regards,
Cristiano.
EngHan
Posts: 65
Online: User is Offline
8/06/2007 5:22 PM  
Hi Cristiano,

I was told that the new version of RC will be able to write out a SDF. It will then be possible to correlate RC and Soc for the purpose of checking that both tool interpret the constraint in the same way. But I think this is only possible for setup as several features for hold STA is not present in RC.

Regards,
Eng Han
clsantos
Posts: 31
Online: User is Offline
8/07/2007 6:15 AM  
Hello,

Someone told me that RC is able to generate SPEF file. I think it is a better solution than generate a SDF or a set_load file.
Another point:
It seems that RC automatically considers high fanout nets as ideal during synthesis. Is it true? How to consider these same nets as ideal in FE-CTE for STA prelayout?

Regards,
Cristiano.
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Forums > Digital IC > Floorplanning, Place and route > How to correlate RC/PLE results with FE/CTE?


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