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- Locates areas needing layout changes to improve power integrity
- Provides advanced modeling and PI simulation for PDN analysis
- Simulates PDNs at package or board level
- PFE aids in decoupling capacitor selection and placement
The Cadence® Allegro® Sigrity™ PI Base is an interactive design and analysis environment with Allegro DRC markers locating areas that need layout changes to improve power integrity (PI). In addition, advanced modeling and PI simulation is provided in support of Power Delivery Network (PDN) analysis of high-speed and/or high-current designs. The Allegro Sigrity PI Base simulates PDNs at the package or board level.
Integration of Allegro Sigrity PI Base and Allegro PCB Editor
Integrated with Allegro PCB and IC package design, editing, and routing technologies, the Allegro Sigrity PI Base provides advanced PI analysis both during and post-layout. As power and ground planes are designed and carved up to allow for signal routing and vias, the analysis engine can be invoked to determine if DC IR drop is still within specification.
The Allegro Sigrity PI Base reads and writes directly to the Allegro PCB and IC package design database for fast and accurate analysis and viewing of results. Layout designers can find first-order power integrity problems as they design. More advanced PI experts also can use this technology for quick results, but will likely defer to the advanced technology that is represented in Allegro Sigrity PI Signoff and Optimization Option for electrical-thermal co-simulation and decoupling capacitor optimization.
- Performs first-order PI analysis
- Early detection of design errors to increase likelihood of first-pass success
- Utilizes new PI-focused constraints to accelerate the design cycle time
- Tight integration between the design canvas and layout-focused analysis
- Points to physical locations where changes are required to improve PDN performance
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