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What is the importance of TWF file in SoC Encounter tool?

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vlsitechnology

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Could anyone plz tell me what is the inportance of TWF file in Soc encounter tool?
 

fail1

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timing window file twf

TWF contains timing window & slew data .
Tools find the earliest & latest arrival times for each victim net & aggressor net.The range of switching times from earliest to latest arrival,defines a timing window for victim net & defines another timing timing window for aggressor net.Crosstal effects occur when victim & aggressor windiws overlap.
 

Asha_eda

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aiuto file twf

Can anyone guide me for
"script to generate Timing window file(TWF file) or flow to generate twf file "??


Thanks for ur support..
 

chiplogic

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Re: aiuto file twf

Hi Asha,
What is the STA tool you are using ?
Refer STA tool manual to write twf from the tool..
say in ETS wrtite_twf will write out twf file. Inputs are spef and libs
 

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