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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 13623

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

3 13738

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

1 7648

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

4176

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

1 3748

Differences between DRAM and SRAM?

14 73292

What types of high speed CMOS circuits have you designed?

2 14702

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

1167

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

1415

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?

1252

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

1259

Draw the stick diagram of a NOR gate. Optimize it

1336

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)

1259

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

1189

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

1176

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Infosys VLSI Interview Questions

Infosys VLSI Interview Questions (46)

Un-Answered Questions

What is an assistance class and how is it instantiated in webdynpro?

400

Is node js synchronous or asynchronous?

547

What is the main difference between a Pandas series and a single-column DataFrame in Python?

121

What exactly sku stands for?

Which command prompt utility is used to convert a resource file from the text format into the binary format?

1124

What is the microsoft exchange server address?

1243

What do you mean by variable?

1097

what is Journal Entries?

2192

Where do you create indexes in abap?

1183

How do you fetch your website in google?

864

What does the unlink() function mean?

1174

what are metrics?

957

What is the prerequisite for doing the currency conversion?

228

What is the function of a thrust bearing?

1076

What does round trip time mean?

1119