Page 272 - A Practical Guide from Design Planning to Manufacturing
P. 272
Out
V dd
V dd
V ss
V
V
V
V
V
V
In
V dd
V ss
V dd
V
V
V
V
V
V
PMOS P W p W W p Out In NMOS Wn V ss V V V ss V V 3 Step 2 Step
P+ N+
PMOS W p /L W W W n /L W W NMOS L P+ L N+ 1 Step
N-Well P-Well
N+ P+
Well tap Well tap Inverter layout.
Out
V dd V V W p /L W W W n /L W W V ss V V
N-well P-well P+ N+ Poly Contact M1 Figure 8-3
In Palate
244
