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Siliconus Technologies Physical Design Engineer Trainee Interview Questions, Process, and Tips
Siliconus Technologies Physical Design Engineer Trainee Interview Experiences
1 interview found
Anonymous
I applied via Walk-in and was interviewed in Apr 2024. There were 2 interview rounds.
All the topics related to aptitude reasoning, static timing analysis numericals, pd related questions
(5 Questions)
- Q1. What is CTS? What is standard cell? What violations we face during placement time ?
- Ans.
CTS stands for Clock Tree Synthesis. Standard cell is a basic building block in digital design. Violations during placement include timing, congestion, and spacing violations.
CTS is the process of creating a clock distribution network to ensure all sequential elements receive clock signals with minimal skew.
Standard cell is a pre-designed logic gate or flip-flop that is used as a building block in digital integrated ci...
- Q2. What is pd? What is macro placement guide lines ?
- Ans.
PD stands for Physical Design, which involves the process of transforming a circuit design into a physical layout. Macro placement guidelines are rules that dictate the placement of large blocks of logic within the layout.
Physical Design (PD) involves converting a circuit design into a physical layout, considering factors like timing, power, and area.
Macro placement guidelines provide rules for placing large blocks of ...
- Q3. Why don't we consider hold analysis during placement stage?
- Ans.
Hold analysis is not considered during placement stage because it is primarily a timing issue and is addressed during the routing stage.
Hold analysis is a timing check that ensures data arrives at the destination flip-flop after the clock edge, without violating the setup time.
During the placement stage, the focus is on meeting the timing constraints related to setup time, while hold time violations are typically addre...
- Q4. How to fix setup violations
- Ans.
Setup violations can be fixed by adjusting timing constraints, optimizing placement, buffering critical paths, and using ECO techniques.
Adjust timing constraints to allow more slack
Optimize placement to reduce wire delays
Insert buffers on critical paths to improve timing
Use ECO techniques like gate resizing or logic restructuring
Perform detailed analysis to identify root causes of setup violations
- Q5. How to fix hold violations
- Ans.
Hold violations can be fixed by adjusting timing constraints, optimizing placement, buffering critical paths, and using advanced EDA tools.
Adjust timing constraints to allow more slack for critical paths
Optimize placement to reduce wire delays and improve timing
Insert buffers to balance delays and meet timing requirements
Use advanced EDA tools for timing analysis and optimization
Consider redesigning logic to reduce cri
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 2 interview rounds.
(5 Questions)
- Q1. Compilation process in c
- Ans.
Compilation process in C involves preprocessing, compiling, assembling, and linking.
Preprocessing: Includes header files, macro expansions, and conditional compilation.
Compiling: Translates source code to assembly code specific to the target architecture.
Assembling: Converts assembly code to machine code in object files.
Linking: Combines object files and libraries to generate an executable file.
- Q2. Write a function pointer syntax?
- Ans.
Function pointer syntax allows for storing the address of a function in a pointer variable.
Syntax: return_type (*pointer_name)(parameters)
Example: void (*funcPtr)(int) = &someFunction;
- Q3. Discussion on current project?
- Q4. Reverse the string?
- Ans.
Reverse a given string
Use a loop to iterate through the characters of the string
Swap the characters from start to end of the string
Continue swapping until reaching the middle of the string
- Q5. Set , clear and toggle the bit
(2 Questions)
- Q1. Mostly salary discussion
- Q2. Tell about yourself
Interview Preparation Tips
- Embedded C
Skills evaluated in this interview
I applied via Company Website and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. Linked list related questions
- Q2. Memory allocation in c
- Ans.
Memory allocation in C involves dynamically allocating and deallocating memory during program execution.
Memory allocation in C is done using functions like malloc, calloc, realloc, and free.
malloc function is used to allocate a block of memory of a specified size.
calloc function is used to allocate a block of memory for an array of elements, initializing all bytes to zero.
realloc function is used to resize a previously...
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Volatile keyword
- Q2. Project specific
(2 Questions)
- Q1. Salary expectations
- Q2. Reason for job change
I applied via Approached by Company and was interviewed in Jan 2024. There was 1 interview round.
(4 Questions)
- Q1. Polymorphism code?
- Q2. Ho can you start a sequences
- Ans.
To start a sequence, you need to define the sequence type, specify the starting value, and set the increment or decrement value.
Define the sequence type: arithmetic, geometric, or custom
Specify the starting value of the sequence
Set the increment or decrement value for arithmetic or geometric sequences
For custom sequences, define the sequence pattern or rule
Examples: Arithmetic sequence starting from 1 with an increment...
- Q3. What is abstract class? Some basic sc and UVM questions
- Q4. Question over mentioned projects?
Interview Preparation Tips
Skills evaluated in this interview
Sai Jyothi Bonam
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
(1 Question)
- Q1. Advanced embedded
Array, linked list ,oops
I applied via Company Website and was interviewed in Aug 2023. There was 1 interview round.
(2 Questions)
- Q1. Basic question on coding , digital electronics
- Q2. Difference between d ram and s ram
- Ans.
DRAM is volatile memory that stores data temporarily, while SRAM is faster and more expensive but retains data as long as power is supplied.
DRAM stands for Dynamic Random Access Memory, while SRAM stands for Static Random Access Memory.
DRAM requires refreshing to retain data, while SRAM does not.
DRAM is slower and less expensive than SRAM.
Examples of DRAM include DDR3 and DDR4, while examples of SRAM include L1, L2, an
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Aug 2022. There were 9 interview rounds.
For the bright future and for overall skill development these programs helps very much
For increasing and boost my knowledge these management program helps in achieving my career goals
For the bright future and for overall skill development these programs helps very much
For the bright future and for overall skill development these programs helps very much
For the bright future and for overall skill development these programs helps very much
(3 Questions)
- Q1. Plz help me with joy and happiness
- Q2. Sir and ma'ma these good morning and my self
- Q3. My self address job experience for year
There will be four and five students group discussion
(18 Questions)
- Q1. My self ands my address my name
- Q2. Father name and my self
- Q3. Mother name and experience year
- Q4. Reading CV and name and experience year
- Q5. Sister and brother and home address
- Q6. My name and experience and family members
- Q7. My self and address and CV
- Q8. Reading CV for the first English communication skill
- Q9. Home address my self in family members
- Q10. My name and experience year reading in CV
- Q11. Father name and mother name
- Q12. My self address experience year
- Q13. Home address my name father name and experience
- Q14. CV reading and experience year
- Q15. My self home address my name father name
- Q16. CV reading and my self expression year
- Q17. Experience year reading CV
- Q18. My self address job experience
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Jul 2022. There were 2 interview rounds.
Basic c datastructucture networking l2 l3 questions
(5 Questions)
- Q1. Question on projects.
- Q2. How packet goes from source to destination.
- Ans.
Packets are sent from source to destination through a series of network devices using routing protocols.
Packet is created at the source with source and destination IP addresses.
Packet is sent to the default gateway or router.
Router checks its routing table to determine the next hop for the packet.
Packet is forwarded to the next hop until it reaches the destination.
Destination receives the packet and sends an acknowledg
- Q3. Delete a node from single linked list.
- Ans.
To delete a node from a single linked list, we need to find the node and update the pointers.
Traverse the list to find the node to be deleted
Update the previous node's pointer to point to the next node
Free the memory of the node to be deleted
- Q4. Dynamic memory alocation in c
- Ans.
Dynamic memory allocation in C allows allocation of memory at runtime.
Dynamic memory allocation is done using functions like malloc(), calloc(), realloc() and free().
malloc() allocates memory block of specified size and returns a pointer to the first byte of allocated memory.
calloc() allocates memory block of specified size and initializes all bits to zero.
realloc() changes the size of previously allocated memory block...
- Q5. Interprocess communication in OS
- Ans.
Interprocess communication is a mechanism that allows processes to communicate with each other in an OS.
IPC mechanisms include pipes, sockets, message queues, shared memory, and signals.
IPC can be used for synchronization, data sharing, and coordination between processes.
IPC can be implemented using system calls such as fork(), pipe(), socket(), and msgget().
Interview Preparation Tips
- Pointer array structure linked l
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Apr 2021. There were 4 interview rounds.
Interview Questionnaire
4 Questions
- Q1. 1.explain what is a watchdog timer
- Ans.
A watchdog timer is a hardware or software component that monitors the operation of a system and resets it if necessary.
A watchdog timer is used to prevent system crashes or lock-ups by resetting the system if it becomes unresponsive.
It is typically implemented as a counter that needs to be periodically reset by the system software.
If the watchdog timer is not reset within a certain time period, it triggers a system re...
- Q2. 2.explain what is semaphore
- Ans.
Semaphore is a synchronization object used to control access to a shared resource.
Semaphore is a signaling mechanism used to control access to a shared resource
It allows multiple processes/threads to access the shared resource simultaneously
Semaphore maintains a count of the number of resources available
When a process/thread requests access to the resource, the count is decremented
When the process/thread releases the r...
- Q3. What is a interrupt latency
- Ans.
Interrupt latency is the time delay between the occurrence of an interrupt and the start of the routine that services the interrupt.
Interrupt latency is a critical factor in real-time systems
It can be affected by factors such as the priority of the interrupt and the current state of the processor
Reducing interrupt latency can improve system performance and responsiveness
Examples of interrupts include hardware interrupt...
- Q4. What does DMA address will deal with
- Ans.
DMA address deals with data transfer between memory and peripherals without CPU intervention.
DMA stands for Direct Memory Access.
DMA address is used to transfer data between memory and peripherals without CPU intervention.
DMA address is used to reduce the load on the CPU and improve system performance.
Examples of peripherals that use DMA include network cards, sound cards, and hard drives.
Interview Preparation Tips
Skills evaluated in this interview
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