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What is the structure of a pad cells?

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alam.tauqueer

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pad cell structure

Hi,

What is the strcuture of a pad cells??

can any one tell me where I can get it??

regards,
tauqueer
 

pad cell structure

There are variety of a lot IO pads,- from simple to very complex, say USB2.0 with PVT self correction. The common for all is existence of ESD protection. Other parts could be different.
 

Re: pad cell structure

Considering the general purpose Driver, it would have a input block, level shifter, predriver and then the output stage (which drives the pad pin).

A input receiver would have input stage, hystersis block, level shifter and an ouput block..

Apart from these, there would be some ESD structures for protection.
 

Re: pad cell structure

Goldeneagle said:
Considering the general purpose Driver, it would have a input block, level shifter, predriver and then the output stage (which drives the pad pin).

A input receiver would have input stage, hystersis block, level shifter and an ouput block..

Apart from these, there would be some ESD structures for protection.
Click to expand...
yeah,input ,output ,inout
lots of device there have ESD guard
 

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