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Infosys VLSI Interview Questions
Questions Answers Views Company eMail

What are the limitations in increasing the power supply to reduce delay?

 2 12197

How does Resistance of the metal lines vary with increasing thickness and increasing length?

 3 12368

What happens if we increase the number of contacts or via from one metal layer to the next?

 1 6695

In a SRAM layout, which metal layers would you prefer for Word Lines and Bit Lines? Why?

 3588

Insights of a 2 input NOR gate. Explain the working?

 1 2865

Differences between DRAM and SRAM?

 14 68155

What types of high speed CMOS circuits have you designed?

 2 13486

Give a big picture of the entire SRAM Layout showing your placements of SRAM Cells, Row Decoders, Column Decoders, Read Circuit, Write Circuit and Buffers

 632

Draw the Differential Sense Amplifier and explain its working. Any idea how to size this circuit? (Consider Channel Length Modulation)

 897

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?

 681

Draw Vds-Ids curve for a MOSFET. Now, show how this curve changes considering Channel Length Modulation.

 692

Draw the stick diagram of a NOR gate. Optimize it

 752

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)

 717

Draw the timing diagram for a SRAM Read. What happens if we delay the enabling of Clock signal?

 671

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

 666

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Infosys VLSI Interview Questions


Un-Answered Questions

Give two methods you could use to determine what DDL changes have been made.

6009

How do I print to the edge of paper in word?

285

What is Federation Root Database?

90

What are the difference between RMI and Servlets?

1045

Who makes the struts?

538




I've finished b tech in electronics and communication engg.Can i appaer for the nic exam

1632

What are the other BW processes?

1630

What causes a page fault?

535

What is a table pool?

617

what's the formula for calculate pcc for matt(45mm aggregate)?

2156

what the function breaker failure scheme, how is it operated

1421

Why would you use find and get rather than to obtain?

673

Where is iis express config?

490

What is system performance testing?

32

What is the difference between flask and django?

235