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Infosys VLSI Interview Questions
Questions Answers Views Company eMail

Approximately, what were the sizes of your transistors in the SRAM cell? How did you arrive at those sizes?

 700

Draw a 6-T SRAM Cell and explain the Read and Write operations

 806

Draw a transistor level two input NAND gate. Explain its sizing (a) considering Vth (b) for equal rise and fall times

 1080

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

 976

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

 777

Draw a CMOS Inverter. Explain its transfer characteristics

 677

How does the size of PMOS Pull Up transistors (for bit & bit- lines) affect SRAM's performance?

 746

For an AND-OR implementation of a two input Mux, how do you test for Stuck-At-0 and Stuck-At-1 faults at the internal nodes? (You can expect a circuit with some redundant logic)

 716

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

 869

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

 801

Draw the SRAM Write Circuitry

 668

Give the logic expression for an AOI gate. Draw its transistor level equivalent. Draw its stick diagram

 861

Why do we gradually increase the size of inverters in buffer design? Why not give the output of a circuit to one large inverter?

 827

For a NMOS transistor acting as a pass transistor, say the gate is connected to VDD, give the output for a square pulse input going from 0 to VDD

 951

Draw Vds-Ids curve for a MOSFET. Now, show how this curve changes with increasing transistor width.

 797

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Infosys VLSI Interview Questions


Un-Answered Questions

Can a dead thread be started again?

590

Why java is a platform?

464

Can any one say what exact diff between test->parameters, action properties-> parameters. after defining the parameters in test->settings, how can we access those parameters.(i know how to use action prop parameters)

1624

Does windows 10 installing delete everything?

435

How do you select the pickup value of the relay?

818




Explain how can you separate hydrogen peroxide into hydrogen and oxygen?

525

What is an indexed view?

583

What is routing in laravel?

417

you buy a $100 asset. $25 cash, $50 debt, and $25 new equity. Explain how the 3 financial statements (IS, BS, CFS) will change.

2271

How to redirect a url from http to https in .htaccess?

523

Does google use java?

543

How do you cost justify erp?

547

Is security a cross cutting concern?

156

Can any one some basic data sheets abt the transmitter and gauges..

1365

Write a program to show whether a graph is a tree or not using adjacency matrix.

599