Page 228 - A Practical Guide from Design Planning to Manufacturing

Gate
+
Spacer
Oxide
poly
gate
N
Spacer
source N N drain P-well Drain Source Transistor symbol Gate voltage high Transistor ON + P poly gate Spacer Spacer + Gate Oxide P P drain source N-well Source Drain Transistor symbol Gate voltage high Transistor OFF
− Transistor cross sections − Transistor cross sections
N drain P drain
+ +
Spacer Spacer

poly gate P-well Gate voltage low − poly gate N-well Gate voltage low NMOS and PMOS transistors.
N Oxide Transistor OFF P Oxide Transistor ON
Spacer Spacer

source N P source
− −

NMOS PMOS Figure 7-1

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