| Other VLSI Interview Questions |
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| Question | Asked @ | Answers |
| |
| What are the two types of noise of MOSFET, how to eliminate
them?(Thermal and Flicker). | Analog-Devices | 2 |
| How does Resistance of the metal lines vary with increasing
thickness and increasing length? | | 1 |
| What is Cross Talk? | Intel | 2 |
| What is Noise Margin? Explain the procedure to determine
Noise Margin? | Cisco | 2 |
| For a single computer processor computer system, what is the
purpose of a processor cache and describe its operation? | Intel | 1 |
| What happens to delay if we include a resistance at the
output of a CMOS circuit? | | 1 |
| 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 | 2 |
| How to find the read failiure probablity in SRAM?
| | 1 |
| Explain the various Capacitances associated with a
transistor and which one of them is the most prominent? | Intel | 1 |
| Are you familiar with the term snooping? | Intel | 1 |
| Implement D flip-flop with a couple of latches? Write a VHDL
Code for a D flip-flop? | Intel | 3 |
| Differences between Signals and Variables in VHDL? If the
same code is written using Signals and Variables what does
it synthesize to? | Intel | 1 |
| Explain the difference between write through and write back
cache. | Intel | 1 |
| What is the difference between = and == in C? | Intel | 5 |
| What products have you designed which have entered high
volume production? | Intel | 1 |
| Factors affecting Power Consumption on a chip? | Intel | 1 |
| What is validation? | Intel | 1 |
| Implement F = AB+C using CMOS gates? | Intel | 1 |
| Define threshold voltage? | Intel | 3 |
| What is Fowler-Nordheim Tunneling? | Intel | 1 |
| |
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