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regarding analog vlsi

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raghu836

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i want to know about the process corners of the analog vlsi
and multifinger technology of cmos while doinglayout.
 

process corner r of four types generally u face during the simulation

this is due to the manufacturing defect.
they r slow slow, fast fast, typical,typical,slowfast, fast slow.
depending upon the process corner our gain and every thing changes
thats it

multifingered technology means dividing thelarge nmos to smaller nmos with same w but differnt l because current distribution is not uniform in the large mos structure.
ok thank u
hope this woiuld be helpful to u
 

    raghu836

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According to me . We check for four corners , FF , SS , SF, FS . Since TOX is not uniform through out die . So our circuit should work at any place of die . we check our circuit parameters at all corners like Fast , Slow and Typical .

Regarding Multi fingers to have better matching. and uniform distribution of current .
 

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