Single Event Effects in Avionics - solar storms

BBoeing oeing RRadiation adiation EEffects ffects LLabab11/4/99 Single Event Effects inSingle Event Effects inAvionicsAvionicsPresented to C-17 ProgramDecember 16, 1998Dr. Eugene Normand Chief Scientist, Boeing Radiation Effects LabBBoeing oeing RRadiation adiation EEffects ffects LLabab21/4/99 Overview of PresentationOverview of PresentationnIntroduction to Single Event Effects [SEE]nAtmospheric Neutron EnvironmentnEvidence for Neutron-Induced SEU in AvionicsnEnvironments and Effects Related to AvionicsSEUnResults of Recent Avionics SEU EvaluationBBoeing oeing RRadiation adiation EEffects ffects LLabab31/4/99 Description of Various Types ofDescription of Various Types ofSingle Event Effects in ICsSingle Event Effects in ICsnSingle Event Effects [SEE] Disturbance of an active electronic device caused by a singleenergetic particlelUpset (SEU) --change in logic state, simplest example is amemory cell in RAMlLatchup (SEL) --sharp increase in current resulting fromturning on parasitic pnpnlDamage or burnout (SEB) of power transistor or other highvoltage devicelFunctional interrupt (SEFI)

Boeing Radiation Effects Lab 1/4/99 1 Single Event Effects in Avionics Presented to C-17 Program December 16, 1998 Dr. Eugene Normand Chief Scientist, Boeing Radiation Effects Lab

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