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

VLSI Interview Questions

Questions Answers Views Company eMail

6-T XOR gate?

Intel,

4187

Differences between blocking and Non-blocking statements in Verilog?

Intel,

5 20770

Differences between Signals and Variables in VHDL? If the same code is written using Signals and Variables what does it synthesize to?

IIT, Intel,

1 20671

Differences between functions and Procedures in VHDL?

Intel,

5 54739

What is component binding?

Intel,

2 6140

What is polymorphism? (C++)

Intel,

2 5961

What is hot electron effect?

Intel,

3 13166

Define threshold voltage?

College School Exams Tests, Intel, JHG, Wipro,

32 133973

Factors affecting Power Consumption on a chip?

Intel,

7 17060

Explain Clock Skew?

Intel, nvidia,

6 21289

Why do we use a Clock tree?

Intel,

3 13257

Explain the various Capacitances associated with a transistor and which one of them is the most prominent?

Intel,

2 8043

Explain the Various steps in Synthesis?

Intel,

3226

Explain ASIC Design Flow?

Intel, JK Associates, Mind Tree,

2 15281

Explain Custom Design Flow?

Intel,

2 6953

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Un-Answered Questions { VLSI }

what is the use of defpararm?

1102

In vlsi chip 1000s of transistors are dropped, specifically categorized. Which method is used to achieve this & how it is done practically?

973

Differences between Array and Booth Multipliers?

4016

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

3653

6-T XOR gate?

4187

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

3392

Tell me how MOSFET works.

2370

What does the above code synthesize to?

2524

what is multiplexer?

1100

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

1308

Explain how logical gates are controlled by Boolean logic?

1127

What is the critical path in a SRAM?

3108

Basic Stuff related to Perl?

2779

Explain the working of Insights of a pass gate ?

1161

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

4395

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