The CMOS Inverter
Complementing a logical variable A to give Ā is accomplished using a basic inverter circuit. A standard CMOS inverter is quite simple and is built using two opposite-polarity MOSFETs in a complementary manner. The circuit gives a large output voltage swing and only dissipates significant power when the input is switched; these are two important properties of CMOS logic circuits. This chapter provides a detailed examination of a CMOS inverter and sets the foundations for most higher-level CMOS designs.
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