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VLSI Interview Questions
Questions Answers Views Company eMail

Explain CMOS Inverter transfer characteristics?

ADS,

3271

Explain sizing of the inverter?

Infosys,

3636

How do you size NMOS and PMOS transistors to increase the threshold voltage?

4 26386

What is Noise Margin? Explain the procedure to determine Noise Margin?

1800

Give the expression for CMOS switching power dissipation?

Cypress Semiconductor,

2 6913

What is Body Effect?

CG CoreEL, Cisco, TA,

1856

What happens to delay if you increase load capacitance?

Google,

1 2571

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

Infosys,

2 11391

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

Infosys,

2 11128

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

Infosys,

1 6299

Give the various techniques you know to minimize power consumption?

5 10597

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

1855

What happens if we use an Inverter instead of the Differential Sense Amplifier?

2267

What is the critical path in a SRAM?

2426

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

Infosys,

3335


Post New VLSI Questions

Un-Answered Questions { VLSI }

Explain the working of Insights of a pass gate ?

513


Explain CMOS Inverter transfer characteristics?

3271


what is the difference between the TTL chips and CMOS chips?

415


Draw the stick diagram of a NOR gate. Optimize it

529


Tell me how MOSFET works.

1776






For f = AB+CD if B is S-a-1, what are the test vectors needed to detect the fault?

516


Insights of a 4bit adder/Sub Circuit?

2664


What is the difference between synchronous and asynchronous reset?

462


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

550


Draw the SRAM Write Circuitry

472


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

460


Explain the three regions of operation of a mosfet.

460


Working of a 2-stage OPAMP?

2422


Explain the Various steps in Synthesis?

2645


What is threshold voltage?

479