Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum ( )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Posted by: Erica
Date posted: Mon Mar 5 16:13:47 US/Eastern 2007
Subject: SEU/MBU Probability Evaluation
We need to evaluate the probability of occurrence of SEU/MBU effects in the our chip (memories, registers, state machines)on aircraft environment. In particular we know if there is a formula that allows to calculate this probability and what type of parameters we need to know. Is there a connection between a SEU and MBU occurrence probability (in upset/bit/hour) and the Average Atmospheric Flux that the aircraft is exposed? What type of relation? Thank you in advance.


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