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