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VLSI Interview Questions
Questions Answers Views Company eMail

Explain the difference between write through and write back cache.

Intel,

2 16596

Are you familiar with the term MESI?

Intel,

2734

Are you familiar with the term snooping?

Intel,

3516

Describe a finite state machine that will detect three consecutive coin tosses (of one coin) that results in heads.

Intel, Sun Microsystems,

2836

In what cases do you need to double clock a signal before presenting it to a synchronous state machine?

Intel,

1 5522

You have a driver that drives a long signal & connects to an input device. At the input device there is either overshoot, undershoot or signal threshold violations, what can be done to correct this problem?

Intel,

2674

Are you familiar with VHDL and/or Verilog?

Intel,

1 4414

What types of CMOS memories have you designed? What were their size? Speed?

e-tec, Intel,

3142

What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

Intel,

2887

What types of I/O have you designed? What were their size? Speed? Configuration? Voltage requirements?

Intel,

2436

Process technology? What package was used and how did you model the package/system? What parasitic effects were considered?

Intel,

2329

What types of high speed CMOS circuits have you designed?

Intel,

2569

What transistor level design tools are you proficient with? What types of designs were they used on?

Intel,

3443

What products have you designed which have entered high volume production?

Intel,

2442

What was your role in the silicon evaluation or product ramp? What tools did you use?

Intel,

2310


Post New VLSI Questions

Un-Answered Questions { VLSI }

Differences between IRSIM and SPICE?

5434


Give the cross-sectional diagram of the cmos.

995


Explain CMOS Inverter transfer characteristics?

3918


what is SCR (Silicon Controlled Rectifier)?

1040


Draw the Cross Section of an Inverter? Clearly show all the connections between M1 and poly, M1 and diffusion layers etc?

3378


What is the function of tie-high and tie-low cells?

1085


For a NMOS transistor acting as a pass transistor, say the gate is connected to VDD, give the output for a square pulse input going from 0 to VDD

1449


Explain the working of Insights of an inverter ?

1258


Approximately, what were the sizes of your transistors in the SRAM cell? How did you arrive at those sizes?

1147


Draw the stick diagram of a NOR gate. Optimize it

1283


What does the above code synthesize to?

2593


what is Slack?

1188


What is threshold voltage?

1181


Explain various adders and difference between them?

1209


Explain how Verilog is different to normal programming language?

1266