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 environment. This paper discusses derating concerns for state-of-the-art microprocessors. Issues addressed in the paper 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.
Derating concerns for microprocessors used in safety critical applications
2007 IEEE/AIAA 26th Digital Avionics Systems Conference ; 2.C.2-1-2.C.2-8
2007-10-01
179596 byte
Conference paper
Electronic Resource
English
Derating Concerns for Microprocessors Used in Safety-Critical Applications
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