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VLSI Interview Questions
Questions Answers Views Company eMail

Tell me how BJT works.

2 8048

what is Early effects and their physical origin.

1 4600

what is short Channel effect.

2 7987

How about voltage source?

2259

How to improve these parameters? (Cascode topology, use long channel transistors)

2181

Explain how MOSFET works?

3234

Explain the various MOSFET Capacitances & their significance ?

Infosys,

1 7284

Explain the sizing of the inverter?

Intel,

1 8535

How do you size NMOS and PMOS transistors to increase the threshold voltage?

Infosys,

3026

What is Noise Margin? Explain the procedure to determine Noise Margin?

Amkor, Cisco, Infosys, Intel,

4 34618

Give the expression for CMOS switching power dissipation?

Infosys,

2 12353

what is body effect?

1 6370

Describe the various effects of scaling?

Infosys,

4786

What happens to delay if you increase load capacitance?

Infosys,

3 19095

What are the different limitations in increasing the power supply to reduce delay?

2 8850


Post New VLSI Questions

Un-Answered Questions { VLSI }

What is the difference between nmos and pmos technologies?

1109


Give a big picture of the entire SRAM Layout showing your placements of SRAM Cells, Row Decoders, Column Decoders, Read Circuit, Write Circuit and Buffers

1105


What types of I/O have you designed? What were their size? Speed? Configuration? Voltage requirements?

2435


Draw the stick diagram of a NOR gate. Optimize it

1282


What are the Factors affecting Power Consumption on a chip?

1286


Explain CMOS Inverter transfer characteristics?

3918


What products have you designed which have entered high volume production?

2442


Explain depletion region.

1031


How do you size NMOS and PMOS transistors to increase the threshold voltage?

3026


Explain about 6-T XOR gate?

1264


Mention what are three regions of operation of mosfet and how are they used?

1080


What are the various regions of operation of mosfet? How are those regions used?

1134


Write a VLSI program that implements a toll booth controller?

3984


why is the number of gate inputs to CMOS gates usually limited to four?

1337


Explain the operation considering a two processor computer system with a cache for each processor.

2846