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VLSI Interview Questions
Questions Answers Views Company eMail

What is the difference between = and == in C?

Intel,

5 9550

Are you familiar with VHDL and/or Verilog?

Intel,

17 23307

What types of CMOS memories have you designed? What were their size? Speed?

Intel, Wipro,

4146

What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

Intel,

2736

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

Intel,

1 4288

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

Intel,

2635

What types of high speed CMOS circuits have you designed?

Infosys, Intel,

2 13486

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

Intel,

4564

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

Intel,

1 6751

What was your role in the silicon evaluation/product ramp? What tools did you use?

Intel,

3207

If not into production, how far did you follow the design and why did not you see it into production?

Intel,

1 4555

What is the most complicated/valuable program you written in C/C++?

HCL, IBM, Intel, TCS, TVS, Wipro,

23 35638

What is the difference between fifo and the memory?

DewSoft, Intel, Pentagon Rugged Systems,

6 27574

WHAT IS THE DIFFERENCE BETWEEN TESTING AND VERIFICATION OF VLSI CIRCUIT?

Intel, Wipro,

5 24604

Write a VLSI program that implements a toll booth controller?

Patni,

3493

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Un-Answered Questions { VLSI }

what is a sequential circuit?

600

What is threshold voltage?

677

Explain what is Verilog?

635

what is SCR (Silicon Controlled Rectifier)?

620

How logical gates are controlled by boolean logic?

623




How about voltage source?

1826

What happens if we use an Inverter instead of the Differential Sense Amplifier?

2723

Explain depletion region.

609

What are the ways to Optimize the Performance of a Difference Amplifier?

1808

What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

2338

Why does the present vlsi circuits use mosfets instead of bjts?

746

Explain the operation of a 6T-SRAM cell?

4061

Explain the working of 4-bit Up/down Counter?

3981

What does it mean “the channel is pinched off”?

840

Explain why present VLSI circuits use MOSFETs instead of BJTs?

645

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