VLSI Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

VLSI Interview Questions

Questions Answers Views Company eMail

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

Intel,

5 11448

Are you familiar with VHDL and/or Verilog?

Intel,

17 28092

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

Intel, Wipro,

4658

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

Intel,

3264

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

Intel,

1 4997

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

Intel,

3138

What types of high speed CMOS circuits have you designed?

Infosys, Intel,

2 14576

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

Intel,

5066

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

Intel,

1 7446

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

Intel,

3727

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

Intel,

1 5265

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

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

23 42862

What is the difference between fifo and the memory?

DewSoft, Intel, Pentagon Rugged Systems,

6 30028

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

Intel, Wipro,

5 26746

Write a VLSI program that implements a toll booth controller?

Patni,

3984

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Un-Answered Questions { VLSI }

What is the function of enhancement mode transistor?

1112

Draw the SRAM Write Circuitry

1186

What's the price in 1K quantity?

2824

Explain the Various steps in Synthesis?

3273

How does Vbe and Ic change with temperature?

3514

You have a driver that drives a long signal & connects to an input device. At the input device there is either overshoot, undershoot or signal threshold violations, what can be done to correct this problem?

2674

Explain sizing of the inverter?

4427

Explain how binary number can give a signal or convert into a digital signal?

1121

Explain how Verilog is different to normal programming language?

1267

For a NMOS transistor acting as a pass transistor, say the gate is connected to VDD, give the output for a square pulse input going from 0 to VDD

1449

Explain Cross section of an NMOS transistor?

1028

Explain what is multiplexer?

1076

Are you familiar with the term MESI?

2734

What are the Advantages and disadvantages of Mealy and Moore?

1268

What does the above code synthesize to?

2593

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