A Framework for System Reliability Analysis Considering Both System Error Tolerance and Component Test Quality

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Provided by: edaa
Topic: Hardware
Format: PDF
The failure rate, the sources of failures and the test costs for nanometer devices are all increasing. Therefore, to create a reliable system-on-a-chip device requires designers to implement fault tolerance. However, while system-level fault tolerance could significantly relax the quality requirements of the system's building blocks, every fault-tolerant scheme only works under certain failure mechanisms and within a certain range of error probabilities. Also, designing a system with a high failure-rate component could be very expensive because the growth rate of the design complexity and the system overhead for fault tolerance could be significantly greater than the component failure rate.
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