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Derating concerns for microprocessors used in safety-critical applications

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2 Author(s)

The use of commercial-off-the-shelf (COTS) microprocessors for safety-critical applications usually implies derating of the device to make it work in harsh environments. We discuss derating concerns for state-of-the-art microprocessors. Issues addressed herein include noise margins due to low voltage levels, multiple power supplies, frequency and current derating concerns, error sources, timing degradation, power-aware architectures, and new advanced microprocessor derating features.

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IEEE Aerospace and Electronic Systems Magazine  (Volume:24 ,  Issue: 3 )