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,

4250

Differences between blocking and Non-blocking statements in Verilog?

Intel,

5 21028

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 20811

Differences between functions and Procedures in VHDL?

Intel,

5 54976

What is component binding?

Intel,

2 6297

What is polymorphism? (C++)

Intel,

2 6071

What is hot electron effect?

Intel,

3 13365

Define threshold voltage?

College School Exams Tests, Intel, JHG, Wipro,

32 135187

Factors affecting Power Consumption on a chip?

Intel,

7 17343

Explain Clock Skew?

Intel, nvidia,

6 21614

Why do we use a Clock tree?

Intel,

3 13419

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

Intel,

2 8184

Explain the Various steps in Synthesis?

Intel,

3281

Explain ASIC Design Flow?

Intel, JK Associates, Mind Tree,

2 15427

Explain Custom Design Flow?

Intel,

2 7084

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Un-Answered Questions { VLSI }

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

2462

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

3733

6-T XOR gate?

4250

What is the difference between cmos and bipolar technologies?

1136

Explain what is multiplexer?

1083

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

5070

How does a Bandgap Voltage reference work?

3909

Tell me how MOSFET works.

2429

What is the critical path in a SRAM?

3199

What are the Advantages and disadvantages of Mealy and Moore?

1274

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

2891

Insights of a 4bit adder/Sub Circuit?

3374

What is the ideal input and output resistance of a current source?

3015

Draw Vds-Ids curve for a MOSFET. Now, show how this curve changes considering Channel Length Modulation.

1207

what are three regions of operation of MOSFET and how are they used?

1242

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