VLSI Interview Questions
Questions Answers Views Company eMail

Explain depletion region.

837

Explain the three regions of operation of a mosfet.

857

Explain what is multiplexer?

860

Explain what is scr (silicon controlled rectifier)?

866

Explain what is slack?

869

Explain what is the use of defpararm?

912

Give the cross-sectional diagram of the cmos.

788

Give various factors on which threshold voltage depends.

1028

How binary number can give a signal or convert into a digital signal?

925

How logical gates are controlled by boolean logic?

856

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

836

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

1158

What is threshold voltage?

932

What is the difference between cmos and bipolar technologies?

827

Write a program to explain the comparator?

912


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Un-Answered Questions { VLSI }

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

829


What are the different design constraints occur in the synthesis phase?

907


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

2912


What is Latch Up? Explain Latch Up with cross section of a CMOS Inverter. How do you avoid Latch Up?

1036


What is the difference between cmos and bipolar technologies?

827


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

1303


Explain what is slack?

869


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

953


Explain sizing of the inverter?

4169


Explain what is scr (silicon controlled rectifier)?

866


Explain various adders and difference between them?

950


Explain the working of Insights of a pass gate ?

920


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

3554


What are the steps required to solve setup and hold violations in vlsi?

867


If the current through the poly is 20nA and the contact can take a max current of 10nA how would u overcome the problem?

936