Layout in analog ic design

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Hi,

You can read the book "Modern component families and circuit block design" by Nihal Kularatna, which will clear all your doubts. Just try and let me know.

If you need more details, don't hesitate to contact me.

Regards,

N.Muralidhara
CRL-BEL
 
Let us consider we have one transitor with Width(w)=5u,Length(l)=2u,Fingers(f)=3, Multiplication(m)=4.
That means you have 4 transisitors with 3 fingers each and with the w=5u, l=2u for each finger.

If a transistor has 3 fingers then it means that its either S or D are merged and we need to connect the rest.

Any how the total widthof a transistor =w * f * m (w-width,f-fingers,m-multipliers)....
 

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