Validating pre post test Adultchat org

During the pre-silicon process, engineers test devices in a virtual environment with sophisticated simulation, emulation, and formal verification tools.In contrast, post-silicon validation tests occur on actual devices running at-speed in commercial, real-world system boards using logic analyzer and assertion-based tools.

Either because of their broad consumer proliferation, or because of their mission-critical application, the manufacturer must be absolutely certain that the device is thoroughly validated.However, there are some tools that have been recently introduced to automate post-silicon system validation.Simulation-based design environments enjoy the tremendous advantage of nearly perfect observability, meaning the designer can see any signal at nearly any time.At the same time, it poses several challenges to traditional validation methodologies, because of the limited internal observability and difficulty of applying modifications to manufactured silicon chips.These two factors lead in turn to critical challenges in error diagnosis and correction.

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