Important question

VLSI Design Important questions EC6601 Regulation 2013 Anna University

VLSI Design Important Questions EC6601

VLSI Design Important questions EC6601 Regulation 2013 Anna University free download. EC6601 Important questions pdf file download VLSI Design Important questions.

Sample VLSI Design Important questions:

1.What is Moore’s law?

Moore’s law states that the number of transistor would double every 18 months.

2.What is CMOS technology?

Complementary Metal Oxide Semiconductor (CMOS)in which both n-channel MOS and p-channel MOS are fabricated in the same IC.

3.What are the advantages of CMOS over NMOS technology ?

 In CMOS technology the aluminum gates of the transistor are replaced by poly silicon gate.
 The main advantage of CMOS over NMOS is low power consumption.
 In CMOS technology the device sizes can be easily scalable than NMOS.

4.What are the advantages of CMOS technology ?

 Low power consumption.
 High performance.
 Scalable threshold voltage.
 High noise margin.
 Low output drive current.

5.What are the disadvantages of CMOS technology ?

 Low resistance to produce deviations and temperature changes.
 Low switching speed at large values of capacitive loads.

6.What is design rule ?

Design rules are the communication link between the designer specifying requirements and the fabricator who materializes them. The design rule conform to a set of geometric constraints or rule specify the minimum allowable line widths for physical objects on-chip such as metal and poly silicon interconnects or diffusion area, minimum feature dimensions and minimum allowable separations between two layers.

Subject Name VLSI Design
Subject code EC6601
Regulation 2013

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