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VLSI Interview Questions
Questions Answers Views Company eMail

Tell me how BJT works.

2 8067

what is Early effects and their physical origin.

1 4616

what is short Channel effect.

2 8016

How about voltage source?

2271

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

2187

Explain how MOSFET works?

3239

Explain the various MOSFET Capacitances & their significance ?

Infosys,

1 7297

Explain the sizing of the inverter?

Intel,

1 8541

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

Infosys,

3035

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

Amkor, Cisco, Infosys, Intel,

4 34661

Give the expression for CMOS switching power dissipation?

Infosys,

2 12371

what is body effect?

1 6385

Describe the various effects of scaling?

Infosys,

4794

What happens to delay if you increase load capacitance?

Infosys,

3 19119

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

2 8877


Post New VLSI Questions

Un-Answered Questions { VLSI }

What are the steps involved in preventing the metastability?

1126


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

1305


Explain sizing of the inverter?

4427


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

2187


What are the different design techniques required to create a layout for digital circuits?

1043


Explain CMOS Inverter transfer characteristics?

3924


Explain the three regions of operation of a mosfet.

1098


Explain why present VLSI circuits use MOSFETs instead of BJTs?

1156


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)

1204


what is verilog?

1139


What is the difference between the mealy and moore state machine?

1121


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

4732


For CMOS logic, give the various techniques you know to minimize power consumption

1410


Explain Cross section of a PMOS transistor?

1234


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

1118