Introduction

Power-aware timing and leakage analysis using Synopsys PrimeTime is essential for modern low-power VLSI design. As technologies scale down, power consumption increases. Moreover, leakage currents impact chip performance and reliability. Therefore, accurate analysis becomes critical.

This training focuses on integrating power intent with timing analysis. In addition, it enables accurate verification across multiple power scenarios. It also covers advanced techniques for analyzing dynamic and static power. As a result, designers can build robust and power-efficient designs.

Learner Prerequisites

• Basic understanding of digital VLSI design concepts
• Familiarity with Static Timing Analysis (STA) fundamentals
• Knowledge of Verilog/netlist-based design flow
• Understanding of low-power design techniques (UPF/CPF is a plus)
• Basic exposure to Synopsys PrimeTime is recommended

Table of Contents

1. Power-Aware STA Fundamentals

1.1 Overview of Power-Aware Timing Analysis
1.2 Importance of Power in Advanced Nodes
1.3 Interaction Between Timing and Power
1.4 Introduction to Multi-Voltage Designs
1.5 PrimeTime Power-Aware Analysis Flow

2. Low-Power Design Concepts

2.1 Power Domains and Power Intent
2.2 Unified Power Format (UPF) Basics
2.3 Isolation, Retention, and Level Shifters
2.4 Power Gating Techniques
2.5 Multi-VDD and Voltage Scaling

3. Setting Up Power-Aware Analysis in PrimeTime

3.1 Importing UPF into PrimeTime
3.2 Power State Definition and Management
3.3 Linking Libraries with Power Intent
3.4 Design Initialization for Power Analysis
3.5 Handling Power Modes and Scenarios

4. Multi-Voltage and Multi-Power Domain Timing Analysis

4.1 Timing Across Voltage Domains
4.2 Level Shifter Delay Modeling
4.3 Isolation Cell Timing Effects
4.4 Retention Flop Timing Considerations
4.5 Cross-Domain Path Analysis

5. Power State and Scenario-Based Analysis

5.1 Defining Power States (ON/OFF Modes)
5.2 Multi-Scenario Analysis Setup
5.3 Case Analysis for Power Modes
5.4 Timing Checks Across Power States
5.5 Scenario Management and Optimization

6. Leakage Power Analysis

6.1 Sources of Leakage in Advanced Nodes
6.2 Subthreshold and Gate Leakage
6.3 Leakage Modeling in Libraries
6.4 Leakage Estimation in PrimeTime
6.5 Impact of Temperature and Voltage on Leakage

7. Dynamic Power and Switching Analysis

7.1 Switching Activity and Toggle Rates
7.2 Vector-Based vs Vectorless Analysis
7.3 Power Calculation Techniques
7.4 Clock Power Estimation
7.5 Glitch Power Analysis

8. IR Drop and Power Integrity Impact on Timing

8.1 Basics of IR Drop
8.2 Voltage Drop Impact on Delay
8.3 Integration with Power Grid Analysis Tools
8.4 Timing Derating Due to IR Drop
8.5 Correlation with Signoff Tools

9. Advanced Timing Techniques for Low-Power Designs

9.1 Multi-Corner Multi-Mode (MCMM) with Power
9.2 On-Chip Variation (OCV) in Power Domains
9.3 AOCV/POCV in Power-Aware Analysis
9.4 Derating Based on Power Conditions
9.5 Advanced Timing Closure Strategies

10. Debugging Power-Aware Timing Violations

10.1 Identifying Power-Related Timing Issues
10.2 Debugging Cross-Domain Violations
10.3 Analyzing Level Shifter Delays
10.4 Fixing Isolation and Retention Issues
10.5 Optimization Techniques

11. Reporting and Analysis in PrimeTime

11.1 Power-Aware Timing Reports
11.2 Leakage and Dynamic Power Reports
11.3 Custom Report Generation
11.4 Correlating Timing and Power Reports
11.5 Visualization and Debug Tools

12. Optimization and Power-Timing Trade-offs

12.1 Balancing Power vs Performance
12.2 Multi-Vt Optimization Techniques
12.3 Clock Gating Optimization
12.4 Power-Aware ECO Flows
12.5 Design Closure Strategies

13. Signoff and Best Practices

13.1 Power-Aware Signoff Criteria
13.2 Verification Checklist
13.3 Correlation with Physical Design Tools
13.4 Industry Best Practices
13.5 Common Pitfalls and Solutions

Conclusion

This training provides a clear understanding of power-aware timing and leakage analysis using PrimeTime. Moreover, it helps learners analyze both performance and power effectively. In addition, it supports better design optimization. Therefore, engineers can achieve reliable and efficient chip signoff. As a result, designs meet advanced node requirements with confidence.