| Other VLSI Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Implement D flip-flop with a couple of latches? Write a VHDL
Code for a D flip-flop? | Intel | 3 |
| How many bit combinations are there in a byte? | Intel | 4 |
| Explain Clock Skew? | Intel | 2 |
| 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 |
| Explain the concept of a Clock Divider Circuit? Write a VHDL
code for the same? | Intel | 1 |
| How do you detect a sequence of "1101" arriving serially
from a signal line?
| nvidia | 2 |
| A circuit has 1 input X and 2 outputs A and B. If X = HIGH
for 4 clock ticks, A = 1. If X = LOW for 4 clock ticks, B =
1. Draw a state diagram for this Spec? | Intel | 1 |
| What are the two types of noise of MOSFET, how to eliminate
them?(Thermal and Flicker). | Analog-Devices | 2 |
| What are the limitations in increasing the power supply to
reduce delay? | | 1 |
| Have you studied buses? What types? | Intel | 1 |
| What is the most complicated/valuable program you written in
C/C++? | Intel | 6 |
| How to find the read failiure probablity in SRAM?
| | 1 |
| Define threshold voltage? | Intel | 3 |
| How does Resistance of the metal lines vary with increasing
thickness and increasing length? | | 1 |
| What is charge sharing? | Intel | 1 |
| For f = AB+CD if B is S-a-1, what r the test vectors needed
to detect the fault? | Intel | 1 |
| what is Early effects and their physical origin. | | 1 |
| In what cases do you need to double clock a signal before
presenting it to a synchronous state machine? | Intel | 2 |
| What is Cross Talk? | Intel | 2 |
| Factors affecting Power Consumption on a chip? | Intel | 1 |
| |
| For more VLSI Interview Questions Click Here |
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