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,

4184

Differences between blocking and Non-blocking statements in Verilog?

Intel,

5 20758

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 20666

Differences between functions and Procedures in VHDL?

Intel,

5 54727

What is component binding?

Intel,

2 6132

What is polymorphism? (C++)

Intel,

2 5955

What is hot electron effect?

Intel,

3 13163

Define threshold voltage?

College School Exams Tests, Intel, JHG, Wipro,

32 133934

Factors affecting Power Consumption on a chip?

Intel,

7 17056

Explain Clock Skew?

Intel, nvidia,

6 21278

Why do we use a Clock tree?

Intel,

3 13251

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

Intel,

2 8042

Explain the Various steps in Synthesis?

Intel,

3224

Explain ASIC Design Flow?

Intel, JK Associates, Mind Tree,

2 15274

Explain Custom Design Flow?

Intel,

2 6946

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Un-Answered Questions { VLSI }

Explain what is multiplexer?

1027

Explain about 6-T XOR gate?

1179

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

2412

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

2447

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

3263

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

3091

Mention what are three regions of operation of mosfet and how are they used?

1022

What is the difference between cmos and bipolar technologies?

1087

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

2835

Implement a 2 I/P and gate using Tran gates?

3966

Explain the Working of a 2-stage OPAMP?

1143

why is the number of gate inputs to CMOS gates usually limited to four?

1277

Explain what is the use of defpararm?

1097

Explain various adders and difference between them?

1152

What are the various regions of operation of mosfet? How are those regions used?

1077

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