VLSI Interview Questions
Questions Answers Views Company eMail

What is the difference between synchronous and asynchronous reset?

616

What is the difference between nmos and pmos technologies?

647

What is the function of enhancement mode transistor?

626

What are the different design techniques required to create a layout for digital circuits?

594

What is the purpose of having depletion mode device?

614

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

583

What are the steps involved in designing an optimal pad ring?

716

What is the difference between the mealy and moore state machine?

585

What are the different classification of the timing control?

576

What is the function of chain reordering?

614

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

576

What is look up table in vlsi?

543


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Un-Answered Questions { VLSI }

What are the different gates where boolean logic are applicable?

590


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

1852


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

845


Are you familiar with the term snooping?

2919


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

2622






Given a layout, draw its transistor level circuit. (I was given a 3 input AND gate and a 2 input Multiplexer. You can expect any simple 2 or 3 input gates)

718


Give various factors on which threshold voltage depends.

751


Explain the operation of a 6T-SRAM cell?

4066


What is the main function of metastability in vsdl?

601


What are the changes that are provided to meet design power targets?

646


What's the price in 1K quantity?

2386


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

576


Are you familiar with the term MESI?

2115


You have a driver that drives a long signal & connects to an input device. At the input device there is either overshoot, undershoot or signal threshold violations, what can be done to correct this problem?

2181


what is multiplexer?

663