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Circuit Responses to Radiation-Induced Upsets

Published online by Cambridge University Press:  31 January 2011

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Abstract

Historically, radiation-induced corruption of data in high-speed complementary metal oxide semiconductor designs has been limited to on-board static random-access memory in various memory caches. Successive generations of scaling, however, have resulted in capacitance reductions in key logic circuits, increasing their vulnerability to these “soft errors.” Charge delivered by radiation events now carries a substantial probability of inducing upsets, not only in bistable elements, but in logic evaluation circuits as well. This article introduces the reader to common logic-circuit topologies in high-speed microprocessors, radiation circuit response mechanisms that can compromise logic evaluation integrity, and existing techniques that mitigate this exposure.

Type
Research Article
Copyright
Copyright © Materials Research Society 2003

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References

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