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VLSI Interview Questions
Questions Answers Views Company eMail

How can you model a SRAM at RTL Level?

1 10892

What are the ways to Optimize the Performance of a Difference Amplifier?

2451

How to find the read failiure probablity in SRAM?

2 7378

What's the price in 1K quantity?

Wipro,

2826

Explain the usage of the shared SPI bus?

1 5632

How do you detect a sequence of "1101" arriving serially from a signal line?

nvidia,

7 20356

Suppose you have a combinational circuit between two registers driven by a clock. What will you do if the delay of the combinational circuit is greater than your clock signal? (You can't resize the combinational circuit transistors)

6 13829

What are set up time & hold time constraints? What do they signify?

3 17671

How do you detect if two 8-bit signals are same?

6 13492

What is interrupt latency?

3 11833

Have you studied buses? What types?

Intel,

1 5211

Have you studied pipelining? List the 5 stages of a 5 stage pipeline. Assuming 1 clock per stage, what is the latency of an instruction in a 5 stage machine? What is the throughput of this machine ?

Intel,

3 12515

For a single computer processor computer system, what is the purpose of a processor cache and describe its operation?

Intel,

2401

Explain the operation considering a two processor computer system with a cache for each processor.

Intel,

4734

What are the main issues associated with multiprocessor caches and how might you solve them?

Intel,

2235


Post New VLSI Questions

Un-Answered Questions { VLSI }

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)

1278


What is threshold voltage?

1186


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

1124


what is multiplexer?

1164


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

1135


Explain how binary number can give a signal or convert into a digital signal?

1127


What are the Advantages and disadvantages of Mealy and Moore?

1274


Draw the stick diagram of a NOR gate. Optimize it

1293


What are the different ways in which antenna violation can be prevented?

1125


Explain Cross section of an NMOS transistor?

1038


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

1298


What is the ideal input and output resistance of a current source?

3015


what is a sequential circuit?

1171


Write a program to explain the comparator?

1156


Explain what is the use of defpararm?

1157