common centroid matching

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kishore680

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i have 5 nmos with w/L 2u,4u,16u,32u,12u... 2u being diode connected mos and rest 4 base is connected to first nmos base.source grounded of all nmos
XXXX EEEEEEXXXXX
XCCCCDDCCDDCCCCX
XCCCCDDCCDDCCCCX
XXXXXBBA*ABBXXXXX
XCCCCDDCCDDCCCCX
XCCCCDDCCDDCCCCX
XXXXEEEEEEXXXXX
A=2u
B=4u
c=32u
D=16u
G=12u
i have matched and shared a and b, c and d, e alone ... pls correct me if am wrong i am beginner !
 

You have C = 40 instead of 32.
I don't think it is good to have all of E at the outside.
Maybe this would be a bit better:
Code: 
-CCCDDCCDDCCC-
----EEEEEE----
-CCDDCCCCDDCC-
----BABBAB----
-CCDDCCCCDDCC-
----EEEEEE----
-CCCDDCCDDCCC-
Spreading A, B and E out more would be better, but may make connections difficult.
 
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