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Digital circuits are designed to work in a logical and organized manner, with events occurring in a well-timed order. Timing analysis, a fundamental aspect of digital system validation and debugging, is required to ensure this order commences properly and the digital circuit performs as expected. It is often a starting point for hardware engineers to verify functionality and identify problems in their system. Although validating system timing may sound simple, the process of measuring and calculating all applicable parameters can be tedious and time consuming. It is essential that digital design engineers understand the challenges – both existing and emergent – they will face as they validate and debug their systems. This primer highlights important timing analysis issues, such as common errors, their causes and ways to efficiently confront them. The latest tools for capturing elusive timing errors and expediting system verification will also be discussed.
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