Integrated Circuit Technologies

•“Technologies”for digital ICs–passive (inert) circuits:
 •resistors and capacitors only, no transistors–active circuits; with transistors
•III-V devices (compound semic.)•MOS and Bipolar devices (silicon)
•ECE410 will cover CMOS because…
•CMOS dominates the semiconductor/IC industry–Silicon is cheaper􀃎preferred over other materials–physicsof CMOS is easierto understand–CMOS is easier to implement/fabricate–CMOS provides lower power-delay product–CMOS is lowest power–density: can get moreCMOS transistors/functions in same chip area
•BUT! CMOS is notthe fastest technology!–BJT and III-V devices are faster



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