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

VLSI Interview Questions

Questions Answers Views Company eMail

Mention what are the different gates where Boolean logic are applicable?

1136

what is a sequential circuit?

1178

what is the use of defpararm?

1154

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

1129

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

1348

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

1244

what is SCR (Silicon Controlled Rectifier)?

1050

Explain why present VLSI circuits use MOSFETs instead of BJTs?

1157

what is multiplexer?

1172

In Verilog code what does “timescale 1 ns/ 1 ps” signifies?

1224

Explain how Verilog is different to normal programming language?

1288

Explain what is Verilog?

1120

what is Slack?

1197

Mention what are the two types of procedural blocks in Verilog?

1311

Explain how logical gates are controlled by Boolean logic?

1201

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Un-Answered Questions { VLSI }

Explain the Charge Sharing problem while sampling data from a Bus?

4744

What is Body Effect?

2528

What is the function of tie-high and tie-low cells?

1098

What are the different measures that are required to achieve the design for better yield?

1223

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

3449

How about voltage source?

2277

How does Vbe and Ic change with temperature?

3522

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

1089

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

3010

For a single computer processor computer system, what is the purpose of a processor cache and describe its operation?

2408

What is the difference between nmos and pmos technologies?

1118

How does a Bandgap Voltage reference work?

3916

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

1022

Explain the working of Insights of a pass gate ?

1242

Explain what is multiplexer?

1089

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