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Texas Instruments Digital Design Engineer Interview Questions and Answers

Updated 18 Aug 2024

Texas Instruments Digital Design Engineer Interview Experiences

7 interviews found

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

I applied via Campus Placement and was interviewed in Jul 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic Aptitude question

Round 2 - Technical 

(1 Question)

  • Q1. Included basic level of digital design concepts
Round 3 - One-on-one 

(1 Question)

  • Q1. Multiplexers,clock divider
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Qustions are simple mostly are time and work , sequence detector,probability

Round 2 - Technical 

(3 Questions)

  • Q1. They asked about the related from counter ,flip flops
  • Q2. Simple question from combinational circuit
  • Q3. Asked about Flipflops
Round 3 - Technical 

(2 Questions)

  • Q1. Asked Cmos structure, equations
  • Q2. Project + Verilog questions

Digital Design Engineer Interview Questions Asked at Other Companies

Q1. Simple puzzle: There is a river and four people (A,B,C,D) are on ... read more
Q2. Draw log(Id) vs Vgs for a MOSFET and explain the curve. Questions ... read more
asked in Intel
Q3. What subjects have you studied? What is setup hold time how to fi ... read more
Q4. Determining the sign on the opamp, Output impedances of many tran ... read more
Q5. Describe the design flow from logic to testing and post silicon v ... read more
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Aug 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Easy aptitude test of 20qs.

Round 2 - Technical 

(1 Question)

  • Q1. Basic STA questions.
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Feb 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Texas came to TIER 1 college in day 0 of placement. Written questions were pretty much on the higher side of difficulty. Need to practice and apply concepts smartly, no need to mug up formulas unnecessarily.

Round 2 - Technical 

(1 Question)

  • Q1. They will grill you with whatever you have written in your resume so far. I was asked multiple design level questions so far.

Texas Instruments interview questions for designations

 Digital Engineer

 (3)

 Design Engineer

 (5)

 Digital

 (3)

 Analog Design Engineer

 (11)

 Design & Verification Engineer

 (1)

 Layout Design Engineer

 (1)

 Digital Designer

 (2)

 Asic Design Verification Engineer

 (1)

I applied via Campus Placement and was interviewed in Nov 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Count the number of one's in the vector
  • Ans. 

    Count the number of one's in a vector.

    • Iterate through the vector and count the number of ones encountered.

    • Use built-in functions like count() or accumulate() in C++.

    • In Python, use the count() method or sum() function with a conditional statement.

  • Answered by AI
  • Q2. Design a circuit to detect a pattern
  • Ans. 

    Design a circuit to detect a pattern

    • Define the pattern to be detected

    • Choose appropriate sensors to detect the pattern

    • Use logic gates to process the sensor data

    • Output a signal when the pattern is detected

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with basic digital design and FSMs. Practice from HDLBITS

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before May 2021. There were 3 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 - Technical 

(1 Question)

  • Q1. The round 2 consisted of aptitude , digital and analog section. A person needs to atrempt the section based on the profile they wanted to apply for
Round 3 - One-on-one 

(1 Question)

  • Q1. The questions were mainly related to basics of digital design and approach to questions was the major thing focused in the entire interview.

Interview Preparation Tips

Topics to prepare for Texas Instruments Digital Design Engineer interview:
  • Digital design
  • Embedded system
  • Computer Architecture
Interview preparation tips for other job seekers - Basics matter a lot in digital as well as for analog interviews. If you are confident in your answers then it leads a really good impact on interviewer.

Interview Preparation Tips

Round: Test
Experience: There was written test in the very beginning of the selection process. It had questions from logical reasoning, quantitative aptitude and electronics. It had questions from microprocessor and many other electronics topic. Thereafter there were the interview rounds.

Round: HR Interview
Experience: There were 2 rounds in which they asked me both HR questions as well as core field related question. They asked me to describe myself as well as tell them about my strengths and weaknesses. They also asked me about working in the southern part of India and my views on relocation.

On the technical side they asked me the following questions:

1) Design of D-latch from 2*1 mux?
2) XOR gate using minimum number of NAND gates?
3) Shift registers connections to get a particular sequence?
4) Use of Accumulator in processors like 8085?

In general the interview was more focussed on the technical side with the HR side just to make sure I will be a good fit in the company.

College Name: IIT KANPUR

Interview questions from similar companies

Interview Questionnaire 

20 Questions

  • Q1. Explanation of all digital projects
  • Ans. 

    I have worked on various digital projects including designing and implementing digital circuits, developing microcontroller-based systems, and creating digital signal processing algorithms.

    • Designed and implemented digital circuits using Verilog and VHDL

    • Developed microcontroller-based systems using Arduino and Raspberry Pi

    • Created digital signal processing algorithms using MATLAB and Python

    • Worked on FPGA-based projects s...

  • Answered by AI
  • Q2. Layout based questions
  • Q3. Many questions on setup/hold time. Find the max clock freq?
  • Q4. Asked to write simple Verilog codes
  • Q5. Plot step responses for different RC circuits (with inc complexity)
  • Ans. 

    Step responses for RC circuits with increasing complexity can be plotted.

    • Step response of a simple RC circuit with one resistor and one capacitor can be plotted.

    • Adding more resistors and capacitors in series or parallel can increase the complexity of the circuit.

    • Different values of resistors and capacitors can also affect the step response.

    • Simulation software like LTSpice can be used to plot step responses.

    • Step respons...

  • Answered by AI
  • Q6. Determining the sign on the opamp, Output impedances of many transistor based circuitswithout using pen and paper
  • Ans. 

    To determine the sign on the opamp and output impedances of transistor circuits without pen and paper.

    • Use mental math to determine the sign on the opamp based on the input and feedback signals

    • Estimate the output impedance by considering the transistor's characteristics and circuit topology

    • Practice mental math and circuit analysis to improve speed and accuracy

    • Use simulation software to verify calculations and gain addit

  • Answered by AI
  • Q7. How to implement a pMOS current mirror, asked to draw the output waveform of a circuitwhere a capacitor is connected from drain (Vout) of a pMOS to ground in the mirroredpath
  • Q8. Questions on stability, pole-zero, inv laplace transforms, nyquist theorem
  • Q9. Sampling: Min sampling freq req for a passband signal from 5kHz to 10 kHz
  • Ans. 

    The minimum sampling frequency required for a passband signal from 5kHz to 10 kHz is 20 kHz.

    • The Nyquist-Shannon sampling theorem states that the minimum sampling frequency should be twice the highest frequency component of the signal.

    • In this case, the highest frequency component is 10 kHz, so the minimum sampling frequency required is 20 kHz.

    • Sampling at a lower frequency can result in aliasing, where higher frequency c...

  • Answered by AI
  • Q10. Asked to write a very basic C code
  • Q11. Draw state diagrams
  • Ans. 

    State diagrams are visual representations of the states and transitions of a system.

    • Identify the states of the system

    • Determine the events that trigger state transitions

    • Draw the state diagram using appropriate symbols and notation

    • Label the states and transitions

    • Include any necessary conditions or actions for each transition

  • Answered by AI
  • Q12. Explanation of how cache and pipelining works followed by few questions from cache and pipelining
  • Q13. Write verilog codes again. Asked to interpret a verilog code given by them
  • Q14. Detailed explanation of DDP
  • Ans. 

    DDP stands for Design Data Package, which is a collection of documents and files that define a product's design.

    • DDP includes design specifications, drawings, schematics, and other relevant documents.

    • It is used to communicate the design intent to manufacturers and suppliers.

    • DDP ensures that the product is manufactured according to the design specifications.

    • It also helps in maintaining the product's quality and consisten...

  • Answered by AI
  • Q15. Questions on setup and hold time again. Setup/hold questions in a circuit with multi cycle clockpath. Which violation is more severe?
  • Q16. Draw log(Id) vs Vgs for a MOSFET and explain the curve. Questions on subthreshold slope, howVth varies with length, asked to explain what is DIBL
  • Ans. 

    Draw log(Id) vs Vgs for a MOSFET and explain the curve. Questions on subthreshold slope, howVth varies with length, asked to explain what is DIBL

    • The curve shows the relationship between drain current and gate-source voltage

    • Subthreshold slope is the rate of change of drain current with respect to gate voltage

    • Vth varies with length due to the effect of channel length modulation

    • DIBL stands for Drain Induced Barrier Loweri...

  • Answered by AI
  • Q17. Describe the design flow from logic to testing and post silicon validation (after fabrication)
  • Ans. 

    The design flow involves several stages from logic design to post silicon validation.

    • Logic design using hardware description languages (HDL)

    • Functional verification using simulation and emulation

    • Synthesis and optimization of design for target technology

    • Physical design including floor planning, placement, and routing

    • Design for testability (DFT) insertion

    • Manufacturing and fabrication of the design

    • Post silicon validation a

  • Answered by AI
  • Q18. Tested whether I knew any placement, routing algorithms
  • Q19. Basic questions on testing - like fault equivalence and dominance
  • Q20. Simple puzzle: There is a river and four people (A,B,C,D) are on one side. They all have to move toother side in 17 min. There is a boat with a max capacity of 2. Time taken by each people to travelalone ...

Interview Preparation Tips

Round: Test
Experience: Was tested on all courses. Logic/Math questions were also included.

Round: Technical Interview
Experience: First interview (Only digital questions)

Round: Technical Interview
Experience: Second interview - wanted to test knowledge in other areas.

Round: Technical Interview
Experience: There was no separate HR round. Few common HR questions were asked during the third interview.The interviews were very long and took more than 3 hrs for the entire process.

Skill Tips: Selection criteria was the interview performance only.
College Name: IIT MADRAS

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Hard
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Indeed and was interviewed before Jan 2024. There were 4 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Questions based on analog circuit design, verilog modules, register transistor logics, CMOS etc
  • Q2. Common questions related to analog circuits, specifically focusing on MOSFETs.
Round 2 - Technical 

(1 Question)

  • Q1. Project related questions mostly based on practical implementations and issues debugged.
Round 3 - Technical 

(1 Question)

  • Q1. Project related questions and managerial questions.
Round 4 - HR 

(1 Question)

  • Q1. Typical HR questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for best and expect the worst in terms of interview experience. HR management is worst and they'll keep finding replacements of yours even after selecting. So you should also have plan B incase your candidature gets rejected. I declined the offer and joined another company.

Interview Preparation Tips

Round: Test
Experience: Questions were from digital Electronics which included realization of counters using JK FF,Sequence detector,Boolean expression reduction,One shot and drawing waveforms of some digital circuits.Questions were also their from pipelinig,finding out MIPS,power consumption of two processors,Small signal analysis of MOSFETs,Buffer using CMOS ,finding out the type of filter given block diagram(control theory).Questions were easy and required step by step realization.
Tips: Prepare digital Electronics very well as it has 50% weightage in paper. Pipelinig is important. Some basics concepts of CMOS is very necessary.
Duration: 1hr 15 min minute
Total Questions: 12

Round: Technical Interview
Experience: First they asked to introduce yourself.
Then they asked about projects & Internship.
STA,EEPROM,EPROM,DRAM,SRAM,CACHE Memory,Pipelining,DMA was asked in depth.
Difference between clock skew and Jitter.
Asked whether I know any Hardware Languages.
XOR gate using 2:1 MUX.
Gave a waveform,had to realize using DFF and considering the delay.
Tips: Study STA very well.
Questions will be asked in depth from any topic.

Round: HR Interview
Experience: Family Background
Why NXP
Hobbies


Skill Tips: Study Digital Electronics very well
Skills: Analog Electronics, Microprocessor, Vlsi Basics, Digital Circuits
College Name: BIT Mesra
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Texas Instruments Interview FAQs

How many rounds are there in Texas Instruments Digital Design Engineer interview?
Texas Instruments interview process usually has 2-3 rounds. The most common rounds in the Texas Instruments interview process are Technical, Aptitude Test and Resume Shortlist.
How to prepare for Texas Instruments Digital Design Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Texas Instruments. The most common topics and skills that interviewers at Texas Instruments expect are Digital Design, Analytical, Analog, RTL Coding and Semiconductor.
What are the top questions asked in Texas Instruments Digital Design Engineer interview?

Some of the top questions asked at the Texas Instruments Digital Design Engineer interview -

  1. Count the number of one's in the vec...read more
  2. Design a circuit to detect a patt...read more
  3. The round 2 consisted of aptitude , digital and analog section. A person needs ...read more

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Texas Instruments Digital Design Engineer Interview Process

based on 4 interviews

2 Interview rounds

  • Aptitude Test Round
  • Technical Round
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