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HSTAF: Hierarchical Static Timing Analysis Flow
DescriptionWith the growing complexity of integrated circuits, traditional flat STA approaches struggle to manage the scale and granularity required for timing verification. HSTAF (Hierarchical Static Timing Analysis Flow) addresses this challenge by portioning the design into manageable blocks or modules, enabling a focused and modular timing analysis. HSTAF has emerged as a critical methodology in achieving efficient and precise timing closure in modern chip designs.

Hierarchical Static Timing Analysis Flow (HSTAF) technique leverages block-level abstractions, interface timing models (ITMs), and accurate timing budgeting to ensure that each block meets its timing constraints independently while seamlessly integrating into the full-chip timing architecture. By identifying bottlenecks early in the design process and enabling faster iteration cycles, Hierarchical STA significantly reduces the time and computational resources required for timing signoff.

This presentation explains how this HSTAF streamlines timing closure by offering scalability, reusability of timing models, and robust analysis of inter-block dependencies. It also highlights best practices, challenges, and the key role of hierarchical analysis in ensuring first-pass success for tape-out, ultimately contributing to more efficient design flow.
Event Type
Engineering Poster
Networking
TimeWednesday, June 2512:15pm - 1:15pm PDT
LocationEngineering Posters, Level 2 Exhibit Hall