Description

Introduction

Synopsys RedHawk-SC is an advanced power integrity analysis platform. It is used for modeling, simulation, and signoff of power delivery networks in modern SoC and 3D-IC designs. Moreover, it enables accurate static and dynamic IR drop analysis and electromigration (EM) verification. Therefore, it supports scalable hierarchical analysis for large-scale designs.

In addition, it ensures robust and reliable power integrity signoff through highly accurate modeling and simulation capabilities.

Learner Prerequisites

• Basic understanding of VLSI physical design and SoC architecture
• Familiarity with power delivery networks (PDN), IR drop, and EM concepts
• Exposure to physical verification and signoff tools is recommended
• Basic TCL scripting knowledge for automation and setup
• Understanding of LEF/DEF, SPEF, and extraction formats

Table of Contents

1. Fundamentals of Power Grid Modeling in RedHawk-SC

1.1 Power grid architecture in modern SoC designs
1.2 Power mesh, strap, and rail modeling techniques
1.3 Layer stack-up and technology file interpretation
1.4 Electrical modeling of resistance, capacitance, and inductance
1.5 Hierarchical representation of power delivery networks
1.6 Mapping physical layout to electrical grid abstraction

2. Design Data Setup and Power Intent Configuration

2.1 Importing physical design data (DEF/LEF/GDSII)
2.2 Setting up design libraries and technology files
2.3 UPF/CPF-based power intent definition overview
2.4 Multi-domain and multi-voltage power configuration
2.5 Connectivity checks and design rule validation for PDN
2.6 Initialization and environment setup for RedHawk-SC runs

3. Power Grid Construction and Verification Flow

3.1 Building top-level and block-level power grids
3.2 Power grid stitching in hierarchical designs
3.3 Via insertion and strap optimization basics
3.4 Connectivity verification of power/ground networks
3.5 Identifying open/short issues in power grid setup
3.6 Pre-analysis sanity checks and validation steps

4. IR Drop Analysis and Voltage Integrity Basics

4.1 Static IR drop analysis methodology
4.2 Dynamic IR drop fundamentals and switching activity impact
4.3 Vector-based vs vectorless analysis approaches
4.4 Worst-case voltage drop scenario identification
4.5 Interpreting IR drop maps and result visualization
4.6 Threshold definition and violation analysis

5. Electromigration (EM) and Reliability Analysis

5.1 Introduction to EM failure mechanisms
5.2 Current density calculation in power grids
5.3 EM limit checking and violation detection
5.4 Aging effects and long-term reliability estimation
5.5 Hotspot identification and critical path analysis
5.6 Design improvement strategies for EM mitigation

6. Simulation Setup and Analysis Execution Flow

6.1 Defining simulation modes and analysis corners
6.2 Stimulus setup for dynamic power analysis
6.3 Runtime optimization for large-scale designs
6.4 Distributed computing and performance tuning basics
6.5 Checkpointing and incremental run strategies
6.6 Run control and job management in RedHawk-SC

7. Debugging and Result Interpretation Techniques

7.1 Interpreting IR/EM reports and logs
7.2 Debugging connectivity and modeling issues
7.3 Identifying root causes of voltage droop
7.4 Correlating layout regions with violation hotspots
7.5 Fix validation and iterative analysis flow
7.6 Visualization techniques for power integrity data

Conclusion

This expanded training on Power Grid Modeling & Analysis Basics in Synopsys RedHawk-SC provides a complete foundation in power grid construction, analysis, IR/EM verification, simulation setup, and debugging techniques. In addition, it prepares learners to handle real-world power integrity challenges. Therefore, it enables progression toward advanced signoff and optimization workflows. Ultimately, it builds confidence in achieving reliable and robust power integrity closure.