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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?

1151

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

1291

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

1665

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

1574

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

1344

Draw a CMOS Inverter. Explain its transfer characteristics

1190

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

1211

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)

1281

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

1414

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

1278

Draw the SRAM Write Circuitry

1201

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

1485

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

1301

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

1463

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

1307

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Infosys VLSI Interview Questions

Infosys VLSI Interview Questions (46)

Un-Answered Questions

Which design pattern used by drupal?

122

How is carbon dioxide made by producers and consumers?

328

What is a polyp? Can it develop in uterus?

793

What is the difference between a multiplexer and encoder? Also what is the between demultiplexer and decoder?

1069

What are the effects on websites using the organic search optimizations?

882

What is economic geologists?

795

Can I remove .net framework?

990

what is the full form and usage of "EUCALYPTUS" in cloud computing?

930

Explain in brief about the qtp automation object model (aom).

1006

Explain the difference in approach when designing a responsive website over a mobile-first strategy?

624

Which is the simplest file structure?

1012

What are the major responsibility's of an accountant? what are the qualities he /she requires?

2114

What is the difference between role and a profile?

1304

How to defines the function in c++?

1144

Situation: you want to connect report through process scheduler. How would you do that?

887