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VLSI Interview Questions
Questions Answers Views Company eMail

Why is Extraction performed?

Intel,

1 7812

What is LVS, DRC?

IBM, Intel,

10 60934

Who provides the DRC rules?

Intel,

5 11863

What is validation?

Intel,

2 14026

What is Cross Talk?

Intel,

4 12372

Different ways of implementing a comparator?

Intel,

1 6382

What r the phenomenon which come into play when the devices are scaled to the sub-micron lengths?

Intel,

4 8464

What is clock feed through?

Intel,

2 17317

Implement an Inverter using a single transistor?

Intel,

4 13059

What is Fowler-Nordheim Tunneling?

Intel,

2 8061

Insights of a Tri-state inverter?

Intel,

1 5362

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

Intel,

2450

Differences between Array and Booth Multipliers?

Intel,

4016

Explain the concept of a Clock Divider Circuit? Write a VHDL code for the same?

Intel,

3 18446

Which gate is normally preferred while implementing circuits using CMOS logic, NAND or NOR? Why?

Intel,

13 37026


Post New VLSI Questions

Un-Answered Questions { VLSI }

Tell me how MOSFET works.

2370


What is the main function of metastability in vsdl?

1008


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

974


For CMOS logic, give the various techniques you know to minimize power consumption

1349


Implement a function with both ratioed and domino logic and merits and demerits of each logic?

3732


Explain what is the depletion region?

1031


In the design of a large inverter, why do we prefer to connect small transistors in parallel (thus increasing effective width) rather than lay out one transistor with large width?

1129


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

1070


Are you familiar with the term MESI?

2638


Explain various adders and difference between them?

1157


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

1308


What happens if we delay the enabling of Clock signal?

2301


How about voltage source?

2212


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

2836


You have three adjacent parallel metal lines. Two out of phase signals pass through the outer two metal lines. Draw the waveforms in the centre metal line due to interference. Now, draw the signals if the signals in outer metal lines are in phase with each other

1505