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VLSI Interview Questions
Questions Answers Views Company eMail

Why is Extraction performed?

Intel,

1 7976

What is LVS, DRC?

IBM, Intel,

10 61741

Who provides the DRC rules?

Intel,

5 12205

What is validation?

Intel,

2 14241

What is Cross Talk?

Intel,

4 12735

Different ways of implementing a comparator?

Intel,

1 6547

What r the phenomenon which come into play when the devices are scaled to the sub-micron lengths?

Intel,

4 8838

What is clock feed through?

Intel,

2 17601

Implement an Inverter using a single transistor?

Intel,

4 13489

What is Fowler-Nordheim Tunneling?

Intel,

2 8308

Insights of a Tri-state inverter?

Intel,

1 5509

If an/ap = 0.5, an/ap = 1, an/ap = 3, for 3 inverters draw the transfer characteristics?

Intel,

2553

Differences between Array and Booth Multipliers?

Intel,

4134

Explain the concept of a Clock Divider Circuit? Write a VHDL code for the same?

Intel,

3 18722

Which gate is normally preferred while implementing circuits using CMOS logic, NAND or NOR? Why?

Intel,

13 37818


Post New VLSI Questions

Un-Answered Questions { VLSI }

What are the different ways in which antenna violation can be prevented?

1181


What is threshold voltage?

1243


Mention what are the two types of procedural blocks in Verilog?

1374


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

3085


Explain Process technology? What package was used and how did you model the package/system? What parasitic effects were considered?

1123


Design an 8 is to 3 encoder using 4 is to encoder?

1376


Explain the operation of a 6T-SRAM cell?

4570


What are the steps involved in designing an optimal pad ring?

1224


Draw the Differential Sense Amplifier and explain its working. Any idea how to size this circuit? (Consider Channel Length Modulation)

1408


Are you familiar with the term snooping?

3607


Describe the various effects of scaling?

4835


Draw a 6-T SRAM Cell and explain the Read and Write operations

1336


Explain why present VLSI circuits use MOSFETs instead of BJTs?

1203


Draw a transistor level two input NAND gate. Explain its sizing (a) considering Vth (b) for equal rise and fall times

1713


What transistor level design tools are you proficient with? What types of designs were they used on?

3501