Design rules

No. Description pharosc sxlib scmos-DEEP scmos Generic 0.13µm
vsc vx

1.1

nwell width

20

20

 8

12

10

0.66

1.1

pwell width

20

20

24

12

10

0.66

1.3

nwell space

20

20

24

 6

 6

0.66

1.3

pwell space

20

20

 8

 6

 6

0.66

1.4

nwell – pwell space (overlap not allowed)

 0

 0

 0

 0

 0

0.00

Notes.

  1. The separations are for wells at the same potential. In analog design, use is sometimes made of wells at different potentials and then the minimum separations could be larger. In digital design, the PWELL is always at ground and the NWELL is at positive supply.

well layout rules
WELL layout design rules