Boundary-scan test : a practical approach
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Bibliographic Information
Boundary-scan test : a practical approach
Kluwer Academic Publishers, 1993
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Includes bibliographical references and index
Description and Table of Contents
Description
The ever-increasing miniaturization of digital electronic components is hampering the conventional testing of Printed Circuit Boards (PCBs) by means of bed-of-nails fixtures. Basically this is caused by the very high scale of integration of ICs, through which packages with hundreds of pins at very small pitches of down to a fraction of a millimetre, have become available. As a consequence the trace distances between the copper tracks on a printed circuit board cmne down to the same value. Not only the required small physical dimensions of the test nails have made conventional testing unfeasible, but also the complexity to provide test signals for the many hundreds of test nails has grown out of limits. Therefore a new board test methodology had to be invented. Following the evolution in the IC test technology. Boundary-Scan testing hm; become the new approach to PCB testing. By taking precautions in the design of the IC (design for testability), testing on PCB level can be simplified 10 a great extent. This condition has been essential for the success of the introduction of Boundary-Sc,m Test (BST) at board level.
Table of Contents
List of Figures. Preface. 1. PCB Testing. 2. The Boundary-Scan Test Standard. 3. Hardware Test Innovations. 4. BST Design Languages. 5. PCB Test Strategy Backgrounds. 6. Management Aspects. Appendix. Glossary. References. Index.
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