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Effect of adding an BUF/INV in physical Design on LEC

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gauravgautam

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Hi all,

Can anyone tell that what will be the effect of adding BUFs in data path for timing optimization on LEC. Will it show any LEC violations ?

Thanks
 

Not if they're inserted correctly.
 

gauravgautam said:
Hi all,

Can anyone tell that what will be the effect of adding BUFs in data path for timing optimization on LEC. Will it show any LEC violations ?

Thanks
Click to expand...

A buffer will never change the functionality, it has no effect on LEC. An inverter does change the functionality, but the tools are smart enough to add/remove a 2nd inverter to keep the functionality the same.
 

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