IEC TEC/PAS 62396-2 Edition1.02007-09 PUBLICLYAVAILABLE SPECIFICATION PRE-STANDARD Process management for avionics - Atmospheric radiation effects - Part 2: Guidelines for single event effects testing for avionics systems EC/PAS 62396-2:2007(E) THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright@2007IEC,Geneva,Switzerland either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, IEC Central Office 3, rue de Varembe CH-1211 Geneva 20 Switzerland Email: [email protected] Web: www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. Catalogue of IEC publications: www.iec.ch/searchpub The IEc on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical committee...). It also gives information on projects, withdrawn and replaced publications. : IEC Just Published: www.iec.ch/online news/justpub Stay up to date on all new IEC publications. Just Published details twice a month all new publications released. Available on-line and also by email. . Electropedia: www.electropedia.org The world's leading online dictionary of electronic and electrical terms containing more than 20 o00 terms and definitions Vocabulary online. -Customer Service Centre:www.iec.ch/webstore/custserv Centre FAQ or contact us: Email: [email protected] Tel.: +4122919 0211 Fax: +4122 919 03 00 JEC IEC/PAS62396-2 Edition 1.02007-09 PUBLICLYAVAILABLE SPECIFICATION PRE-STANDARD Process management for avionics - Atmospheric radiation effects - Part 2: Guidelines for single event effects testing for avionics systems INTERNATIONAL ELECTROTECHNICAL COMMISSION PRICECODE T ICS 03.100.50; 31.020 ISBN 2-8318-9202-3 PAS62396-2@IEC:2007(E) -2 CONTENTS FOREWORD General 1.1 Use of existing SEE data. 1.2 Deciding to perform dedicated SEE tests.. Availability of existing SEE data for avionics applications 2 2.1 Types of existing SEE data that may be used. 6 2.1.1 Sources of data, proprietary versus published data 2.1.2 Data based on the use of different sources 2.1.3 Ground level versus avionics applications 2.2 Sources of existing data .. 12 Considerations for SEE Testing ... 3 13 3.1 Selectionofhardwareto betested 14 3.2 Selection of test method .... 3.3 Selection of facility providing energetic particles .. 15 3.3.1 Spallation neutron source.... 15 3.3.2 Monoenergetic and quasi-monoenergetic beam sources 16 3.3.3 Thermal neutron sources.... Convertingtest results toavionics SEErates 4 17 4.1 Use of spallation neutron source 4.2 Use of SEU cross section curve over energy Bibliography.. 21 Figure1-Comparisonof LosAlamos andTRIUMFneutron spectra withterrestrial neutron spectrum.. Figure 2-Variation of high energy neutron SEU cross section per bit as a function of device feature size.... .10 Figure3Comparisonofmono-energetic SEUcrosssectionswithWeibull and Piece-Wise Linear Fits ... .20 Table 1 - Sources of existing data 13 PAS 62396-2IEC:2007(E) - 3 - INTERNATIONALELECTROTECHNICALCOMMISSION PROCESSMANAGEMENTFORAVIONICS ATMOSPHERICRADIATIONEFFECTS Part 2: Guidelines for single event effects testing foravionics systems FOREWORD The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising 1) all national electrotechnical committees (IEc National Committees). .The,objectof IECistopromote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities, IEC publishes International Standards, Technical Specificati