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Compare Bipolar, NMOS and CMOS technologies

written 5.9 years ago by hetalgosavi • 1.7k

•   modified 5.7 years ago

Subject: VLSI Design

Topic: Technology Trend

Difficulty: Low

vlsi design

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written 5.7 years ago by hetalgosavi • 1.7k

BIPOLAR	NMOS	CMOS
Bipolar technology uses BJT for design	NMOS use only field effect transistors for design.	CMOS uses both MOS transistors and PMOS for design
High power dissipation	Higher power dissipation than CMOS but lower than bipolar.	Low power dissipation
Low input impedance		High input impedance
Medium noise margin	Medium noise margin	High noise margin
High speed of operation		Medium speed of operation
Unidirectional	Unidirectional	Bidirectional
	NMOS propagates only logic 1 that is VDD	CMOS propagates both logic 0 and 1
Non ideal switching device		Ideal switching device

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