Dubbing

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About Course

Ansys training is a 8 weeks training program targeted for standard Dubbing noise and reliability sign-off solution for SOC designs. RedHawk helps create high-performance SoCs which are Dubbing efficient and reliable for electromigration, thermal and electrostatic discharge issues. RedHawk is the sign-off solution for all the foundries. RedHawk’s advanced Distributed Machine Processing (DMP) enables significantly higher capacity and better performance for full-chip IR/dynamic voltage drop, Dubbing/signal electromigration (EM) and electrostatic discharge (ESD) analyses.


Training will focus on all the aspects Dubbing integrity, and IR drop analysis.

Curriculum

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Overview of Basics of Dubbing , EM, IR.(Theory : 3 hrs)
Average Dubbing Calculation and Static Analysis.(Theory : 3 hrs)
IP Modelling Techniques (Theory : 3hrs)
APL Characterisation(3hrs)
Dynamic Analysis Vectorless Single Cycle and Multi Cycle Flows (Theory 3 hrs)
Dynamic Vectored Analysis(3 hrs)
Redhawk Signal EM(3hrs)
Low Dubbing Design Analysis(3 hrs)
Setup of flow(3hrs)
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Day 1:
Overview of Dubbing skills.
Labs: Understanding of Input files of Redhawk, Setting up of Redhawk Env.
Day 2:
Basics of Dubbing, EM, IR.
Data Preparation Generation of Collaterals from ICC
Understanding Volcano Design.
IP Modelling Techniques.
Labs:
Analyzing of APL using utilities Aqua and ACE.
Sanity Checks of all Inputs Colleterals.
Day 3:
Grid Weakness Checks, Resistance Extraction.
Labs:
Performing PG Resistance Analysis - effective resistance of Instances, Pin Path Resistance Checks
Missing Vias Checks,
Analyzing Shorts,
Disconnected Instances,
Connectivity Checks.
Day 4 & 5:
Average Dubbing Calculation,
Static Analysis Theory,
Redhawk Static IR/EM Flow
Labs:
Setting Up of GSR for Static Run.
Creation of Command run file.
Dubbing Calculation in Static Analysis using Toggle rate.
Dubbing Calculation in Static Analysis using BPFS.
Doing experiments with BPFS.
Exploration of Redhawk TCL Commands for advanced Debugging of IR Drop.
Creation of Custom lib’s for Missing PG Arcs.
Exploration of Redhawk Explorer.
Exploration of Dubbing Maps.
Package and PAD Constraints.
Results Exploration and Debugging.
Debugging EM Violations.
Analyzing Hot spots.
Analysis Battery Currents and Demands Currents.
Day 6 & 7.
Dynamic Vectorless Analysis
Dynamic Flow
Labs:
Setting Up of GSR for Static Run.
Creation of Command run file.
Plotting Instance current
Min, Max, Avg DVD in Timing Window and min DVD in Whole Simulation Cycle.
Analysis of Switches and its equivalent reports
Wire IR Drops
Exploration of DVD Histograms.
Plotting Instance Voltage Waveform.
Plotting Switching Histograms.
Analyzing Switching events
Decap Density Maps
Dynamic Voltage Drop Movie.
Analysis Dynamic Reports
Design Weakness Checks
Pad Current Checks
Decap Efficiency Checks
Simultaneous Switching Checks
Frequency Domain based Demand Current Checks
Voltage Domain based Demand Current Checks
Cross Probing Violations in Redhawk GUI
Hotspot Analysis Summary
DVD Check – Instance Level Debug
Short Path Tracing of Instances
Dubbing EM Checks
Day 8:
Multicycle Vectorless Analysis
Labs:
Correlation between Single Cycle and Multicycle analysis
Cycle based Switching
All labs on Dynamic Vectorless will be applicable to Multicycle
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Running Dubbing IR/EM on Volcano or ORCA_TOP
Running Redhawk on Dubbing IR/EM Ansys Design.
Assignments
Labs:
Static EM/IR Analysis.(6hrs)
Dynamic EM/IR Vectorless Analysis Single Cycle.(6hrs)
Dynamic EM/IR Vectorless Analysis Multi Cycle.(6 hrs)
Dynamic Vectored Analysis Worst Dubbing Cycle.(6hrs)
Dynamic Vectored Analysis Worst dpdt Cycle.(6 hrs)
Signal EM Analysis.(3hrs)
Low Dubbing Design Analysis(6 hrs)

Course videos

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Lecture 1 Dubbing Session1 02:22:06
Lecture 2 Dubbing Session2 02:01:39
Lecture 3 Dubbing Session3 02:17:09
Lecture 4 Dubbing Session4 01:37:46
Lecture 5 Dubbing Session5 02:06:35
Lecture 6 Dubbing Session6 02:28:09
Lecture 7 Dubbing Session7 02:25:40
Lecture 8 Dubbing Session8 02:23:14
Lecture 9 Dubbing Session9 01:30:44
Lecture 10 Dubbing Session10 01:37:12


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