Board-level failure analysis tool through interactive IC and PCB online traces

November 16, 2011 // By Julien Happich
Magma Design Automation's SystemNav tool extends CAD navigation and circuit debug from integrated circuits to stacked die, PCBs and multichip modules (MCMs). SystemNav is the only commercially available tool that integrates multiple, interactive IC and PCB online trace and circuit debugging with CAD navigation, claims the EDA vendor.

The tool allows rapid signal traces on chips, stacked dies and MCMs and PCBs, enabling fab teams to trace signals from chip to board, back to chip and then quickly navigate failure analysis tools to X, Y locations to determine the root cause of the fault.

SystemNav leverages Magma’s industry-standard Camelot IC CAD navigation and circuit debug to trace signals between the chip and the board. Its framework is both extensible and modular enabling many new features and functions, such as 3D cross- sectioning and schematic cross mapping. It reads industry-standard PCB and chip layout formats and displays them graphically. Formats supported include OASIS, Virtuoso, Gerber, GDSII and AutoCAD Drawing Exchange Format (DXF). Chip layouts are loaded from the Camelot database.
For every chip on the board, the user can invoke both SystemNav and Camelot’s MaskView. This enables the user to seamlessly move from an intra-die chip view of the layout and netlists using MaskView to a macro view of a signal trace from die to board using SystemNav, making fault tracing and diagnostics much easier.

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