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Nvidia Dft Design Engineer Interview Questions and Answers

Updated 1 Nov 2024

Nvidia Dft Design Engineer Interview Experiences

2 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(1 Question)

  • Q1. Atpg related questions
Round 2 - Technical 

(1 Question)

  • Q1. Digital design problems
  • Ans. 

    Digital design problems involve challenges in designing and implementing digital circuits and systems.

    • Understanding and optimizing power consumption

    • Ensuring signal integrity and minimizing noise

    • Implementing efficient clocking strategies

    • Addressing timing issues and meeting performance requirements

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. Digital design ,tough sta questions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. Mealy/Moore FSM
  • Q2. Setup/Hold basic questions
  • Q3. No. of patterns to detect fault on XOR gate
  • Ans. 

    There are 3 patterns to detect faults on an XOR gate.

    • There are 3 possible fault patterns on an XOR gate: Stuck-At-0, Stuck-At-1, and Inversion.

    • Stuck-At-0 fault pattern occurs when one input is always 0, regardless of the other input.

    • Stuck-At-1 fault pattern occurs when one input is always 1, regardless of the other input.

    • Inversion fault pattern occurs when the output is inverted compared to the correct XOR gate output.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - NA

Dft Design Engineer Interview Questions Asked at Other Companies

asked in Broadcom
Q1. Purpose of occ controllers. What scan enable signals( pipelined o ... read more
asked in Broadcom
Q2. How compression ratio can be tweaked, what are the factors ( how ... read more
asked in Broadcom
Q3. How have I observed hold violations and setup violations in my de ... read more
asked in Broadcom
Q4. How can we reset a tap controller without trst signals. How do yo ... read more
asked in Synaptics
Q5. What is the purpose of the P1500 when we already have the 1149.1 ... read more

Interview questions from similar companies

I applied via Referral and was interviewed in Jun 2022. There was 1 interview round.

Round 1 - Technical 

(6 Questions)

  • Q1. 1st round with hiring manager.Discussion with hiring manager. Reason for switch. Then technical questions on how to debug and find failure flops in a chain. Basic loc,los, loes lock-up latch questions. Why...
  • Q2. 3 2 hour interviews were taken( Total 6 hours with 1 people in each round). Questions: how we can reduce test time. how serial chain patterns are solved. How T24 violations are debugged, how we can find wh...
  • Q3. How compression ratio can be tweaked, what are the factors ( how coverage, Patten count gets impacted).
  • Ans. 

    Compression ratio can be tweaked by adjusting the volume of the combustion chamber. This affects fuel efficiency and power output.

    • Compression ratio is the ratio of the volume of the combustion chamber at its largest to its smallest.

    • Increasing compression ratio can improve fuel efficiency and power output, but too high a ratio can cause engine knocking.

    • Factors that impact compression ratio include the size and shape of ...

  • Answered by AI
  • Q4. How have I observed hold violations and setup violations in my design. What I did after that, etc
  • Ans. 

    I have observed hold and setup violations in my design and took necessary actions.

    • I used static timing analysis (STA) to identify hold and setup violations.

    • I fixed hold violations by adding delay cells or increasing clock period.

    • I fixed setup violations by reducing delay or decreasing clock period.

    • I also checked for false paths and multi-cycle paths.

    • I re-ran STA after fixing violations to ensure timing closure.

    • I docume...

  • Answered by AI
  • Q5. Purpose of occ controllers. What scan enable signals( pipelined or nonpiplelined) will go to my occ controller, clock chain and why. Lock up latch purpose. If I have 5 negative edge triggered flops and 5 p...
  • Ans. 

    Explanation of purpose of occ controllers, scan enable signals, lock up latch and arrangement of negative and positive edge triggered flops.

    • The purpose of occ controllers is to manage the clock signals in a design and ensure proper timing.

    • Scan enable signals are used for testing and debugging purposes.

    • Pipelined signals are used for faster data transfer while non-pipelined signals are used for simpler designs.

    • Lock up la...

  • Answered by AI
  • Q6. How can we reset a tap controller without trst signals. How do you find coverage gaps.
  • Ans. 

    Resetting a tap controller without trst signals and finding coverage gaps.

    • For resetting a tap controller without trst signals, we can use a power-on reset circuit or a watchdog timer.

    • To find coverage gaps, we can use code coverage analysis tools like CodeSonar, Coverity, or LDRA.

    • We can also use dynamic analysis tools like Valgrind or Purify to find runtime errors and coverage gaps.

    • Manual testing and peer code reviews c...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Read basics well, know about your architecture, clock mechanisms and compression ratio concepts. Be well versed with your work in current company.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(3 Questions)

  • Q1. Coverage improvement
  • Q2. Atpg flow and inputs
  • Q3. Have your faced any violations
  • Ans. 

    No violations faced

    • No, I have not faced any violations in my career

    • I always make sure to adhere to all rules and regulations in my work

    • I prioritize ethical conduct and compliance with industry standards

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Case Study 

They asked about whallenges i faced inpast

Round 2 - Assignment 

DFt task abd past experience

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Discussed about the previous projects which you have worked on
  • Q2. Basic concepts of SV and UVN
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Feb 2023.

Round 1 - Coding Test 

Practice on hackerrank, they send hackerrank link for screening round.

Round 2 - Technical 

(1 Question)

  • Q1. C, os, embedded questions
Round 3 - Technical 

(1 Question)

  • Q1. C, data structures,os
Round 4 - HR 

(1 Question)

  • Q1. Previous jobs, salary discussion, relocation

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice basic, logical, coding questions for embedded interviews ex. Simple Data structures, bit manipulation etc
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Sep 2023. There were 4 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Find the length of longest common subsequence in given strings.
  • Ans. 

    The length of the longest common subsequence in given strings is found using dynamic programming.

    • Use dynamic programming to find the length of the longest common subsequence.

    • Compare characters of the strings and build a matrix to store the lengths of common subsequences.

    • Traverse the matrix to find the length of the longest common subsequence.

  • Answered by AI
  • Q2. A basic DFS based graph question.
Round 2 - Coding Test 

Write the algorithm for topological sorting.

Round 3 - Technical 

(2 Questions)

  • Q1. Basic system design questions.
  • Q2. Explain CAP theorem.
  • Ans. 

    CAP theorem states that in a distributed system, it is impossible to simultaneously guarantee consistency, availability, and partition tolerance.

    • Consistency: All nodes in the system have the same data at the same time.

    • Availability: Every request gets a response, even if some nodes are down.

    • Partition Tolerance: The system continues to operate despite network partitions.

    • In a distributed system, you can only achieve two o...

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Explain your previous projects .

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Oct 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - One-on-one 

(4 Questions)

  • Q1. 3-4 rounds of c and DSP questions.
  • Q2. Fourier transform
  • Q3. Digital filtering
  • Q4. C coding and basics

Interview Preparation Tips

Interview preparation tips for other job seekers - Have C and DSP concepts handy. some tricky coding and fundamentals are a necessity.
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Qualcomm Careers and was interviewed in Dec 2023. There were 4 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Managerial Introduction and alignment with the job role.
Round 2 - Technical 

(1 Question)

  • Q1. Technical Hardware Questions
Round 3 - Technical 

(1 Question)

  • Q1. Technical Software/Scripting Questions
Round 4 - HR 

(1 Question)

  • Q1. General HR discussions

Interview Preparation Tips

Interview preparation tips for other job seekers - Make sure you fit well with the requirements and have your fundamental understanding pretty strong. They will chain questions and keep going, make sure you have the thinking stamina to keep on going for 2 hours continuously.
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Nvidia Interview FAQs

How many rounds are there in Nvidia Dft Design Engineer interview?
Nvidia interview process usually has 2 rounds. The most common rounds in the Nvidia interview process are Technical.
What are the top questions asked in Nvidia Dft Design Engineer interview?

Some of the top questions asked at the Nvidia Dft Design Engineer interview -

  1. No. of patterns to detect fault on XOR g...read more
  2. Digital design probl...read more
  3. Digital design ,tough sta questi...read more

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Nvidia Dft Design Engineer Interview Process

based on 3 interviews

Interview experience

4
  
Good
View more

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