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What is the Functional Scan?

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avimit

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Pls can sombody explain me what Functional Scan is?
 

pintuinvlsi

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Functional Scan

Inside a chip we connect all Flip Flop through scan chain. This assures there is no stuck at 0 or stuck at 1 in any Flip Flop so that in functional mode it can work properly.
 

avimit

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Re: Functional Scan

Well I need a mature answer. Anybody...
 

phutanesv

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Re: Functional Scan

Dude,

What the pintuinvlsi friend said is correct. Mature expalnation cann ot be done since it is a big topic

search for DFT related files in this forum u will get.
 

alok_msh

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Re: Functional Scan

I am not sure what you are referring to by functional scan.
functional scan could be a scan stitched netlist where the data can be shifted in and out.
If you are referring to functional patterns, it means the patterns which are developed through functional tests and not atpg tool
 

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