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IEEE 1546-2000 en Guide for Digital Test Interchange Format (DTIF) Application《数字试验交换格式(DTIF)的应用》.pdf

1、The Institute of Electrical and Electronics Engineers, Inc.3 Park Avenue, New York, NY 10016-5997, USACopyright 2001 by the Institute of Electrical and Electronics Engineers, Inc.All rights reserved. Published 23 March 2001. Printed in the United States of America.Print: ISBN 0-7381-2627-6 SH94886PD

2、F: ISBN 0-7381-2628-4 SS94886No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher.IEEE Std 1546-2000 (R2011)IEEE Guide for Digital Test Interchange Format (DTIF) ApplicationSponsorIEEE Standar

3、ds Coordinating Committee 20onTest and Diagnosis for Electronic SystemsReaffirmed 7 December 2011Approved 21 September 2000IEEE-SA Standards BoardAbstract: An aid in the understanding and use of digital test interchange format (DTIF) files isprovided in this guide. This information will be an aid to

4、 users in developing tools such aspreprocessors and postprocessors of DTIF data and other utilities.Keywords: automatic test equipment (ATE), digital automatic test program generator, digital testinterchange format (DTIF), unit under test (UUT)IEEE Standardsdocuments are developed within the IEEE So

5、cieties and the Standards CoordinatingCommittees of the IEEE Standards Association (IEEE-SA) Standards Board. Members of the committeesserve voluntarily and without compensation. They are not necessarily members of the Institute. The stan-dards developed within IEEE represent a consensus of the broa

6、d expertise on the subject within the Instituteas well as those activities outside of IEEE that have expressed an interest in participating in the developmentof the standard.Use of an IEEE Standard is wholly voluntary. The existence of an IEEE Standard does not imply that thereare no other ways to p

7、roduce, test, measure, purchase, market, or provide other goods and services related tothe scope of the IEEE Standard. Furthermore, the viewpoint expressed at the time a standard is approved andissued is subject to change brought about through developments in the state of the art and commentsreceive

8、d from users of the standard. Every IEEE Standard is subjected to review at least every ve years forrevision or reafrmation. When a document is more than ve years old and has not been reafrmed, it is rea-sonable to conclude that its contents, although still of some value, do not wholly reect the pre

9、sent state ofthe art. Users are cautioned to check to determine that they have the latest edition of any IEEE Standard.Comments for revision of IEEE Standards are welcome from any interested party, regardless of membershipafliation with IEEE. Suggestions for changes in documents should be in the for

10、m of a proposed change oftext, together with appropriate supporting comments.Interpretations: Occasionally questions may arise regarding the meaning of portions of standards as theyrelate to specic applications. When the need for interpretations is brought to the attention of IEEE, theInstitute will

11、 initiate action to prepare appropriate responses. Since IEEE Standards represent a consensus ofall concerned interests, it is important to ensure that any interpretation has also received the concurrence of abalance of interests. For this reason, IEEE and the members of its societies and Standards

12、CoordinatingCommittees are not able to provide an instant response to interpretation requests except in those cases wherethe matter has previously received formal consideration. Comments on standards and requests for interpretations should be addressed to:Secretary, IEEE-SA Standards Board445 Hoes L

13、aneP.O. Box 1331Piscataway, NJ 08855-1331USAIEEE is the sole entity that may authorize the use of certication marks, trademarks, or other designations toindicate compliance with the materials set forth herein.Authorization to photocopy portions of any individual standard for internal or personal use

14、 is granted by theInstitute of Electrical and Electronics Engineers, Inc., provided that the appropriate fee is paid to CopyrightClearance Center. To arrange for payment of licensing fee, please contact Copyright Clearance Center,Customer Service, 222 Rosewood Drive, Danvers, MA 01923 USA; (978) 750

15、-8400. Permission to photo-copy portions of any individual standard for educational classroom use can also be obtained through theCopyright Clearance Center.Note: Attention is called to the possibility that implementation of this standard mayrequire use of subject matter covered by patent rights. By

16、 publication of this standard,no position is taken with respect to the existence or validity of any patent rights inconnection therewith. The IEEE shall not be responsible for identifying patents forwhich a license may be required by an IEEE standard or for conducting inquiries intothe legal validit

17、y or scope of those patents that are brought to its attention.Copyright 2001 IEEE. All rights reserved.iiiIntroductionThis introduction is not part of IEEE Std 1546-2000, IEEE Guide for Digital Test Interface Format (DTIF) Application.IEEE Std 1445-1998, IEEE Standard for Digital Test Interchange Fo

18、rmat (DTIF), provides a mechanism fordigital test data interchange independent of a specic digital automatic test program generator and automatictest equipment. This guide is supplementary to IEEE Std 1445-1998.The purpose of this guide is to provide an aid in the understanding and use of DTIF les.

19、This applicationguide will provide information that will be an aid to users in developing tools such as preprocessors andpostprocessors of DTIF data and other utilities.ParticipantsAt the time this proposed standard was completed, the Test Application (TA) Subcommittee had the follow-ing membership:

20、Mukund Modi, TA Co-ChairBrit Frank, TA Co-ChairHarold Davis, SecretaryJose De La Cruz, Working Group ChairIn addition, the following persons made signicant contributions to this document:The following members of the balloting committee voted on this standard:When the IEEE-SA Standards Board approved

21、 this standard on 21 September 2000, it had the followingmembership:Donald N. Heirman,ChairJames T. Carlo,Vice ChairJudith Gorman,Secretary*Member EmeritusJoanne K. Buckley Hugh A. Pritchett David E. RolinceGuy AdamJoanne K. BuckleyBernard DathyHarold DavisSomnath DebJose De La CruzBrit FrankArnold

22、M. GreenspanGary L. HardenburgMichael G. HarrisonOsamu KaratsuGregory A. MastonMukund ModiLeslie A. OrlidgeJean PouillyDavid E. RolinceJohn W. SheppardWilliam R. SimpsonJoseph J. StancoWilliam John TaylorJ. Richard WegerSatish K. AggarwalMark D. BowmanGary R. EngmannHarold E. EpsteinH. Landis FloydJ

23、ay Forster*Howard M. FrazierRuben D. GarzonJames H. GurneyRichard J. HollemanLowell G. JohnsonRobert J. KennellyJoseph L. Koepnger*Peter H. LipsL. Bruce McClungDaleep C. MohlaJames W. MooreRobert F. MunznerRonald C. PetersenGerald H. PetersonJohn B. PoseyGary S. RobinsonAkio TojoDonald W. ZipseivCop

24、yright 2001 IEEE. All rights reserved.Also included is the following nonvoting IEEE-SA Standards Board liaison:Alan Cookson, NIST RepresentativeDonald R. Volzka, TAB RepresentativeAndrew D. IckowiczIEEE Standards Project EditorCopyright 2001 IEEE. All rights reserved.vContents1. Overview11.1 Scope11

25、.2 Purpose.12. References13. Definitions of terms and acronyms23.1 Terms.23.2 Acronyms.24. DTIF functional groups24.1 UUT Model group44.2 Stimulus and Response group84.3 Fault Dictionary group.124.4 Probe group135. DTIF application example.165.1 Application example UUT Model group175.2 Application e

26、xampleStimulus and Response group225.3 Application exampleFault Dictionary group.265.4 Application exampleProbe group29Copyright 2001 IEEE. All rights reserved.1IEEE Guide for Digital Test Interchange Format (DTIF) Application1. OverviewThe Digital Test Interchange Format (DTIF) is intended to provi

27、de a data interchange that can be used withvarious test environments. The DTIF standard provides a neutral format for the development and delivery ofdigital test information.1.1 ScopeThis guide serves as an aid to developers who need to represent data in an application neutral manner andhave chosen

28、DTIF (see IEEE Std 1445-19981) to do so. The guide explains the DTIF from a user perspec-tive, giving examples and directions showing how to implement and use the DTIF. The intent of thedocument is to provide clarity and detailed knowledge for users of IEEE Std 1445-1998.1.2 PurposeThis guide is mea

29、nt to provide an aid in the understanding and use of DTIF les. This information will be anaid to users in developing tools such as preprocessors and postprocessors of DTIF data and other utilities.2. ReferencesThis standard shall be used in conjunction with the following publications:IEEE 100, The A

30、uthoritative Dictionary of IEEE Standards Terms, Seventh Edition.2IEEE Std 1445-1998, IEEE Standard for Digital Test Interchange Format (DTIF).1Information on references can be found in Clause 2.2IEEE publications are available from the Institute of Electrical and Electronics Engineers, 445 Hoes Lan

31、e, P.O. Box 1331, Piscataway,NJ 08855-1331, USA (http:/standards.ieee.org/).IEEEStd 1546-2000 IEEE GUIDE FOR DIGITAL TEST2Copyright 2001 IEEE. All rights reserved.3. Denitions of terms and acronyms3.1 Terms3.1.1 fault simulation:The process of simulating a unit under test (UUT) failure and observing

32、 its effects.3.1.2 pin map:The interconnections between circuit pins and automatic test equipment (ATE) input/output(I/O) pins (tester channels).3.1.3 user node:A physical point on a UUT that can be a primary input, primary output, or other netconnection.3.1.4 wired net:A schema used to represent ci

33、rcuit nodes containing more than one source, which utilizesvirtual and actual component connections and implementations.3.2 AcronymsASCII American Standards Code for Information InterchangeATE automatic test equipmentCPP clock pulses per patternDTIF digital test interchange formatI/O input/outputITA

34、 interface test adapterPI primary inputPO primary outputPOPAT primary output patternTPStest program setTSET timing setTU timing unitUUT unit under test4. DTIF functional groupsThere are thirty-nine DTIF les composed of one HEADER le and thirty-eight data les. The thirty-nineDTIF les are organized in

35、to four functional groups. The four functional groups are as follows:a) UUT Modelb) Stimulus and Responsec) Fault Dictionaryd) ProbeEach functional group contains related, non-sequential American Standard Code for Information Inter-change (ASCII) data les. Figure 1 depicts the DTIF data les organize

36、d into the four functional groups byle type name followed by the le number in parenthesis. This organization portrays the role of eachfunctional group as it relates to unit under test (UUT) testing.The UUT Model group contains all the les required to dene the topological database for diagnosing faul

37、tson the UUT. This includes component instantiations, component I/O pins, primary inputs, primary outputs,and package interconnections. The Stimulus and Response group is used for fault detection testing (end-to-end) while all the other groups are used for the fault isolation process. The intent of

38、an end-to-end test of aUUT is to verify the overall functionality of the item and to indicate a failure if one exists and can beIEEEINTERCHANGE FORMAT (DTIF) APPLICATION Std 1546-2000Copyright 2001 IEEE. All rights reserved.3detected by the test pattern set developed for it. There is no explicit att

39、empt to diagnose the cause of the fail-ure. Fault isolation by fault dictionary is a diagnostic test technique that does not require physical probing ofa circuit. Data generated by a fault simulator is analyzed and generally arranged into matrices that matchfault indications with a characteristic fa

40、iling response at the primary output pins of the UUT. Actual failingresponses are captured on the automatic test equipment (ATE) and compared to the fault dictionary matrixfor fault isolation. Isolating faults using a probe is a diagnostic test technique that utilizes a probe connectedto the ATE to

41、aid in isolating failures on the UUT. The information required to generate a probe diagnostictest includes a detailed description of the circuit that would help direct the test operator where to probe andprovide the data necessary to determine whether or not a response monitored by the probe matched

42、 the goodcircuit response. The three mutually independent areas for testing that are covered by the DTIF les are asfollows: end-to-end diagnostics using fault dictionary diagnostics using probeThese three areas are further broken down into static and dynamic modes.The HEADER le does not belong to an

43、y of the four functional groups. It provides summary informationand a listing of the total DTIF le set developed for a given UUT. The rst record identies the le typename, the DTIF le number, the le revision number (optional), the UUT name, and the date and time oforigination. The rst record in every

44、 DTIF le follows this format.Figure 1DTIF data le typesIEEEStd 1546-2000 IEEE GUIDE FOR DIGITAL TEST4Copyright 2001 IEEE. All rights reserved.4.1 UUT Model groupThe UUT Model group contains fteen les that dene the UUT model topology. Extensive use is made ofpointers and lists within these les. Table

45、 1 identies all of the les in the UUT Model group and is indicatedby the DTIF le type name and number and DTIF le name along with its pertinent applications.4.1.1 PI_NAMES (4)This le denes each primary input (PI) pin by name and binds it to a user node number. These are used forinput/output (I/O) co

46、nnection identication.4.1.2 PO_NAMES (5)This le denes each primary output (PO) pin by name and binds it to a user node number. These are usedfor I/O connection identication.Table 1UUT Model group lesDTIF le type name and number DTIF le nameEnd-to-endEnd-to-endFault dict.Fault dict.Probe ProbeStaticD

47、ynamicStaticDynamicStaticDynamicPI_NAMES (4) pinames.tapXXXXXXPO_NAMES (5) ponames.tapXXXXXXMAIN_MODEL (6) mainmodel.tapXXXXCOMPONENT_TYPE (7) types.tapXXXXUSER_NODE (8) usernodes.tapXXXXINPUT_PIN_NAMES (9) inputpins.tapXXXXOUTPUT_PIN_NAMES (10) outputpin.tapXXXXNEAR_FROMS_POINTERS (11) nerfrmptr.ta

48、pXXNEAR_FROMS (12) nearfroms.tapXXNODE_SOURCE (16) nodsource.tapXXTRISTATE_FROMS_POINTERS (21) zfromptrs.tapXXTRISTATE_FROMS (22) zfroms.tapXXPSEUDOPI_NAMES (23) psupinams.tapXXXXAUXILIARY_PIN_NAMES (27) auxpins.tapXXXXNODE_NAMES (35) nodenames.tapXXXXIEEEINTERCHANGE FORMAT (DTIF) APPLICATION Std 15

49、46-2000Copyright 2001 IEEE. All rights reserved.54.1.3 MAIN_MODEL (6) A UUT model can be understood in terms of six major elements: a) Component typesb) Component pinsc) Package namesd) Package numberse) User node numbersf) User node namesA component type and its pins only need to be identied once for a given UUT model even though there maybe multiple instantiations of a component type. When used in the UUT model, packages are dened with acomponent type and a unique package name and number to distinguish them

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