SCEN103 Class 30

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Introduction to CMOS

CMOS inverting switch

-- Input: HI; Output: LO
-- Input: LO; Output: HI

Fabrication of CMOS inverting switch

CMOS NAND gate

A:	B:	C:
(in)	(in)	(out)
HI	LO	HI
LO	HI	HI
LO	LO	HI
HI	HI	LO

The table above is known as a truth table and represents the output state (result) that is obtained for all possible input states.

How Computers Work

From "How Multimedia Computers Work" CD-ROM

Tours -- CPU, I/O Device
Input Devices -- Keyboard, Mouse, Joystick
Inside Computer -- Clock, CPU, Memory
Output Devices -- Laser Printer

Group Activity

Analysis of another CMOS circuit (1 pt.)

Comments, suggestions, or requests to ghw@udel.edu.
"http://www.physics.udel.edu/~watson/scen103/99s/clas0503.html"
Last updated May 3, 1999.
Copyright George Watson, Univ. of Delaware, 1999.