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VLSI Interview Questions
Questions Answers Views Company eMail

How can you model a SRAM at RTL Level?

1 10897

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

2453

How to find the read failiure probablity in SRAM?

2 7385

What's the price in 1K quantity?

Wipro,

2829

Explain the usage of the shared SPI bus?

1 5640

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

nvidia,

7 20373

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 13851

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

3 17688

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

6 13518

What is interrupt latency?

3 11853

Have you studied buses? What types?

Intel,

1 5217

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 12530

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

Intel,

2408

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

Intel,

4740

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

Intel,

2243


Post New VLSI Questions

Un-Answered Questions { VLSI }

Give various factors on which threshold voltage depends.

1312


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

2243


Why does the present vlsi circuits use mosfets instead of bjts?

1311


How to improve these parameters? (Cascode topology, use long channel transistors)

2192


Draw a CMOS Inverter. Explain its transfer characteristics

1194


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

1135


Explain sizing of the inverter?

4436


Implement a 2 I/P and gate using Tran gates?

4017


what is SCR (Silicon Controlled Rectifier)?

1050


What are the steps required to solve setup and hold violations in vlsi?

1092


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

1374


Explain Basic Stuff related to Perl?

1054


Draw the stick diagram of a NOR gate. Optimize it

1295


What are the different classification of the timing control?

1118


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

4135