IEC_62396-1-2016.pdf

IEC 62396-1 Edition 2.0 2016-01 INTER NA TIONAL STA NDA R D Process management for av ionics At mospheric radiat ion effects Part 1:Accommodat ion of at mospheric radiat ion effect s v ia single ev ent effect s wit hin av ionics elect ronic equipment IEC 62396-1:2016-01(en)colourinsideCopyright International Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no par t of this publication may be reproduced or utilized in any for m or by any means,electronic or mechanical,including photocopying and microfilm,without per mission in writing fr om either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional r ights to this publication,please contact the address below or your local IEC member National Committee for further infor mation.IEC Centr al Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About t he IEC The International Electr otechnical Commission(IEC)is the leading global organization that prepar es and publishes Inter national Standards for all electr ical,electronic and related technologies.A bout IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sur e that you have the latest edition,a cor rigenda or an amendment might have been published.IEC Cat alogue-webstore.iec.ch/cat alogue The stand-alone application for consulting the entire bibliographical information on IEC International Standards,Technical Specifications,Technical R eports and other documents.A v ailable for PC,Mac OS,A ndroid Tablets and iPad.IEC publications search-w w w.iec.ch/searchpub The adv anced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projec ts,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.A v ailable online and also once a month by email.Elect ropedia-w w w.elect ropedia.org The worlds leading online dic tionary of elec tronic and electrical terms containing 20 000 terms and definitions in English and French,with equiv alent terms in 15 additional languages.Also known as the International Electrotechnical Vocabulary (IEV)online.IEC Glossar y-st d.iec.ch/glossar y 65 000 elec trotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries hav e been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Customer Service Cent re-webstore.iec.ch/csc If y ou wish to giv e us y our feedback on this publication or need further assistance,please contact the Customer Serv ice Centre:csciec.ch.Copyright International Electrotechnical Commission IEC 62396-1 Edit ion 2.0 2016-01 INTER NA TIONAL STA NDA R D Process management for av ionics At mospheric radiation effect s Part 1:Accommodation of at mospheric radiation effects v ia single ev ent effect s wit hin av ionics elect ronic equipment INTERNATIONA L ELECTROTECHNICA L COMMISSION ICS 03.100.50;31.020;49.060 ISBN 978-2-8322-3078-7 R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission W arning!Make sure that y ou obtained this publication from an authorized distributor.colourinsideCopyright International Electrotechnical Commission 2 IEC 62396-1:2016 IEC 2016 CONTENTS FOREWORD.6 INTRODUCTION.8 1 Scope.9 2 Normative references.9 3 Terms and definitions.9 4 Abbreviations and acronyms.18 5 Radiation environment of the atmosphere.21 5.1 Radiation generation.21 5.2 Effect of secondary particles on avionics.21 5.3 Atmospheric neutrons.21 5.3.1 General.21 5.3.2 Atmospheric neutrons energy spectrum and SEE cross-sections.22 5.3.3 Altitude variation of atmospheric neutrons.24 5.3.4 Latitude variation of atmospheric neutrons.25 5.3.5 Thermal neutrons within aircraft.27 5.4 Secondary protons.27 5.5 Other particles.28 5.6 Solar enhancements.29 5.7 High altitudes greater than 60 000 ft(18 290 m).29 6 Effects of atmospheric radiation on avionics.30 6.1 Types of radiation effects.30 6.2 Single event effects(SEEs).30 6.2.1 General.30 6.2.2 Single event upset(SEU).31 6.2.3 Multiple bit upset(MBU)and multiple cell upset(MCU).31 6.2.4 Single effect transients(SETs).33 6.2.5 Single event latch-up(SEL).34 6.2.6 Single event functional interrupt(SEFI).34 6.2.7 Single event burnout(SEB).34 6.2.8 Single event gate rupture(SEGR).35 6.2.9 Single event induced hard error(SHE).35 6.2.10 SEE potential risks based on future technology.35 6.3 Total ionising dose(TID).36 6.4 Displacement damage.37 7 Guidance for system designs.37 7.1 Overview.37 7.2 System design.40 7.3 Hardware considerations.41 7.4 Electronic devices characte