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Physical Design Engineer Interview Questions
3,254 physical design engineer interview questions shared by candidates
Design an AND gate using a Multiplexer
build a mux2x1 with logic gates build with 2x1mux nand gate
Show me a cross section layout of nand gate using cmos.
Telephonic:Process and Temp variation for delays,Voltage and TEmperature effect on Metal LAyer,Synthesis flow:Inputs.How do u do floorplanning.?Power types and methods to control,DRC,challenges during placementa nd congestion Onsite; First ROund:Whole RTL to Netlist flow in detail,Timing correlation,miller effect,virtual routes),Sceond ROund: How do u solve DC and ICC correlation:DC putting lots of buffers-Reasons,How will u solve clock transition if sizing is not posibble(Explain MErging), 3rd Round : TECH DRC Questions :One problem was given :write a script to replace with right optimized via in power plan .4th Round :STA problems,3 equations -waveforms;derate effects,positive and negative edge flops at capturing end.5th ROund: Custom Bus routing (How to do manually for timing critical path),Script to find occurences of via in design by reference name and reduce runtime by not using get_cells twice.
Questions on digital circuits, VLSI funadmentals, HDL
Tell us about a time when you had a conflict at work and how you resolved it.
Setup and Hold time for full cycle and half cycle paths. Show which capture clock edge is setup time checked at and which edge hold time is checked at.
Physical design related theory questions
according to your previous projects.
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