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Test And Diagnosis For Small Delay Defects
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Book Synopsis Test and Diagnosis for Small-Delay Defects by : Mohammad Tehranipoor
Download or read book Test and Diagnosis for Small-Delay Defects written by Mohammad Tehranipoor and published by Springer Science & Business Media. This book was released on 2011-09-08 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will introduce new techniques for detecting and diagnosing small-delay defects in integrated circuits. Although this sort of timing defect is commonly found in integrated circuits manufactured with nanometer technology, this will be the first book to introduce effective and scalable methodologies for screening and diagnosing small-delay defects, including important parameters such as process variations, crosstalk, and power supply noise.
Book Synopsis High-quality Test and Diagnosis for Small-delay Defects by : Ke Peng
Download or read book High-quality Test and Diagnosis for Small-delay Defects written by Ke Peng and published by . This book was released on 2010 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Testing for Small-Delay Defects in Nanoscale CMOS Integrated Circuits by : Sandeep K. Goel
Download or read book Testing for Small-Delay Defects in Nanoscale CMOS Integrated Circuits written by Sandeep K. Goel and published by CRC Press. This book was released on 2017-12-19 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in design methods and process technologies have resulted in a continuous increase in the complexity of integrated circuits (ICs). However, the increased complexity and nanometer-size features of modern ICs make them susceptible to manufacturing defects, as well as performance and quality issues. Testing for Small-Delay Defects in Nanoscale CMOS Integrated Circuits covers common problems in areas such as process variations, power supply noise, crosstalk, resistive opens/bridges, and design-for-manufacturing (DfM)-related rule violations. The book also addresses testing for small-delay defects (SDDs), which can cause immediate timing failures on both critical and non-critical paths in the circuit. Overviews semiconductor industry test challenges and the need for SDD testing, including basic concepts and introductory material Describes algorithmic solutions incorporated in commercial tools from Mentor Graphics Reviews SDD testing based on "alternative methods" that explores new metrics, top-off ATPG, and circuit topology-based solutions Highlights the advantages and disadvantages of a diverse set of metrics, and identifies scope for improvement Written from the triple viewpoint of university researchers, EDA tool developers, and chip designers and tool users, this book is the first of its kind to address all aspects of SDD testing from such a diverse perspective. The book is designed as a one-stop reference for current industrial practices, research challenges in the domain of SDD testing, and recent developments in SDD solutions.
Book Synopsis Methodologies for Test and Diagnosis of Delay Defects in Integrated Circuits by : Ahish Mysore Somashekar
Download or read book Methodologies for Test and Diagnosis of Delay Defects in Integrated Circuits written by Ahish Mysore Somashekar and published by . This book was released on 2015 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: The failure of devices due to timing-related defects is becoming increasingly prominent in the nanometer era, thereby causing quality and reliability concerns. The variations in physical parameters and the increasing influence of environmental factors are the potential sources of such timing-related defects. In this dissertation we present novel techniques for detection and diagnosis of such timing-related defects, in particular small delay defects, in modern integrated circuits. First, an approach capable of identifying the locations of distributed small delay defects, arising due to manufacturing aberrations, is proposed. It is shown that the proposed formulation can be transformed into a Boolean Satisfiability form to be solved by any SAT solver. The approach is capable of providing a small number of alternative sets of defective segments. One of the solutions is the actual defect configuration. This is shown to be a very important property towards the effective identification of the defective segments. Experimental analysis on ISCAS and ITC benchmark suites show that the proposed approach is highly scalable and identifies the location of multiple delay defects. Second, a Monte Carlo based approach is proposed capable of identifying in a path-implicit and scalable manner the distributions that describe the delay of every path in a combinational circuit. Furthermore, a scalable approach to select critical paths from a potentially exponential number of path candidates is presented. Paths and their delay distributions are stored in Zero Suppressed Binary Decision Diagrams. Experimental results on some of the largest ISCAS-89 and ITC-99 benchmarks shows that the proposed method is highly scalable and effective. Lastly, an approach to select a set of longest (highest critical) paths under a probabilistic delay model is presented. It is shown how to select a set of top critical paths that need to be tested for a given test margin and subsequently, it is shown how one can select critical paths to effectively test a device for small delay defects that may occur due to undesirable process shifts in different pockets of the device. Experimental analysis compares the proposed approach to recent approaches in the literature that claim to select critical paths for testing and merits both based on their effectiveness in detecting random delay defects in the device under test.
Book Synopsis Nanometer Technology Designs by : Nisar Ahmed
Download or read book Nanometer Technology Designs written by Nisar Ahmed and published by Springer Science & Business Media. This book was released on 2010-02-26 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traditional at-speed test methods cannot guarantee high quality test results as they face many new challenges. Supply noise effects on chip performance, high test pattern volume, small delay defect test pattern generation, high cost of test implementation and application, and utilizing low-cost testers are among these challenges. This book discusses these challenges in detail and proposes new techniques and methodologies to improve the overall quality of the transition fault test.
Book Synopsis Built-in Self Test (BIST) for Realistic Delay Defects by : Karthik Prabhu Tamilarasan
Download or read book Built-in Self Test (BIST) for Realistic Delay Defects written by Karthik Prabhu Tamilarasan and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Testing of delay defects is necessary in deep submicron (DSM) technologies. High coverage delay tests produced by automatic test pattern generation (ATPG) can be applied during wafer and package tests, but are difficult to apply during the board test, due to limited chip access. Delay testing at the board level is increasingly important to diagnose failures caused by supply noise or temperature in the board environment. An alternative to ATPG is the built-in self test (BIST). In combination with the insertion of test points, BIST is able to achieve high coverage of stuck-at and transition faults. The quality of BIST patterns on small delay defects is an open question. In this work we analyze the application of BIST to small delay defects using resistive short and open models in order to estimate the coverage and correlate the coverage to traditional delay fault models.
Book Synopsis High Quality Transition and Small Delay Fault ATPG by :
Download or read book High Quality Transition and Small Delay Fault ATPG written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Path selection and generating tests for small delay faults is an important issue in the delay fault area. A novel technique for generating effective vectors for delay defects is the first issue that we have presented in the thesis. The test set achieves high path delay fault coverage to capture small-distributed delay defects and high transition fault coverage to capture gross delay defects. Furthermore, non-robust paths for ATPG are filtered (selected) carefully so that there is a minimum overlap with the already tested robust paths. A relationship between path delay fault model and transition fault model has been observed which helps us reduce the number of non-robust paths considered for test generation. To generate tests for robust and non-robust paths, a deterministic ATPG engine is developed. To deal with small delay faults, we have proposed a new transition fault model called As late As Possible Transition Fault (ALAPTF) Model. The model aims at detecting smaller delays, which will be missed by both the traditional transition fault model and the path delay model. The model makes sure that each transition is launched as late as possible at the fault site, accumulating the small delay defects along its way. Because some transition faults may require multiple paths to be launched, simple path-delay model will miss such faults.
Book Synopsis Delay Fault Testing for VLSI Circuits by : Angela Krstic
Download or read book Delay Fault Testing for VLSI Circuits written by Angela Krstic and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the early days of digital design, we were concerned with the logical correctness of circuits. We knew that if we slowed down the clock signal sufficiently, the circuit would function correctly. With improvements in the semiconductor process technology, our expectations on speed have soared. A frequently asked question in the last decade has been how fast can the clock run. This puts significant demands on timing analysis and delay testing. Fueled by the above events, a tremendous growth has occurred in the research on delay testing. Recent work includes fault models, algorithms for test generation and fault simulation, and methods for design and synthesis for testability. The authors of this book, Angela Krstic and Tim Cheng, have personally contributed to this research. Now they do an even greater service to the profession by collecting the work of a large number of researchers. In addition to expounding such a great deal of information, they have delivered it with utmost clarity. To further the reader's understanding many key concepts are illustrated by simple examples. The basic ideas of delay testing have reached a level of maturity that makes them suitable for practice. In that sense, this book is the best x DELAY FAULT TESTING FOR VLSI CIRCUITS available guide for an engineer designing or testing VLSI systems. Tech niques for path delay testing and for use of slower test equipment to test high-speed circuits are of particular interest.
Book Synopsis A Novel Test Generation Method for Small-Delay Defects with User-defined Fault Model by : 商朝鈞
Download or read book A Novel Test Generation Method for Small-Delay Defects with User-defined Fault Model written by 商朝鈞 and published by . This book was released on 2019 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Testing for Delay Defects Utilizing Test Data Compression Techniques by : Richard Dean Putman
Download or read book Testing for Delay Defects Utilizing Test Data Compression Techniques written by Richard Dean Putman and published by . This book was released on 2008 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: As technology shrinks new types of defects are being discovered and new fault models are being created for those defects. Transition delay and path delay fault models are two such models that have been created, but they still fall short in that they are unable to obtain a high test coverage of smaller delay defects; these defects can cause functional behavior to fail and also indicate potential reliability issues. The first part of this dissertation addresses these problems by presenting an enhanced timing-based delay fault testing technique that incorporates the use of standard delay ATPG, along with timing information gathered from standard static timing analysis. Utilizing delay fault patterns typically increases the test data volume by 3-5X when compared to stuck-at patterns. Combined with the increase in test data volume associated with the increase in gate count that typically accompanies the miniaturization of technology, this adds up to a very large increase in test data volume that directly affect test time and thus the manufacturing cost. The second part of this dissertation presents a technique for improving test compression and reducing test data volume by using multiple expansion ratios while determining the configuration of the scan chains for each of the expansion ratios using a dependency analysis procedure that accounts for structural dependencies as well as free variable dependencies to improve the probability of detecting faults. Finally, this dissertation addresses the problem of unknown values (X's) in the output response data corrupting the data and degrading the performance of the output response compactor and thus the overall amount of test compression. Four techniques are presented that focus on handling response data with large percentages of X's. The first uses X-canceling MISR architecture that is based on deterministically observing scan cells, and the second is a hybrid approach that combines a simple X-masking scheme with the X-canceling MISR for further gains in test compression. The third and fourth techniques revolve around reiterative LFSR X-masking, which take advantage of LFSR-encoded masks that can be reused for multiple scan slices in novel ways.
Book Synopsis Fault Simulation and Test Pattern Selectionfor Small Delay Defects Using Gpu by : 許聖章
Download or read book Fault Simulation and Test Pattern Selectionfor Small Delay Defects Using Gpu written by 許聖章 and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electronic Design Automation for IC System Design, Verification, and Testing by : Luciano Lavagno
Download or read book Electronic Design Automation for IC System Design, Verification, and Testing written by Luciano Lavagno and published by CRC Press. This book was released on 2017-12-19 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first of two volumes in the Electronic Design Automation for Integrated Circuits Handbook, Second Edition, Electronic Design Automation for IC System Design, Verification, and Testing thoroughly examines system-level design, microarchitectural design, logic verification, and testing. Chapters contributed by leading experts authoritatively discuss processor modeling and design tools, using performance metrics to select microprocessor cores for integrated circuit (IC) designs, design and verification languages, digital simulation, hardware acceleration and emulation, and much more. New to This Edition: Major updates appearing in the initial phases of the design flow, where the level of abstraction keeps rising to support more functionality with lower non-recurring engineering (NRE) costs Significant revisions reflected in the final phases of the design flow, where the complexity due to smaller and smaller geometries is compounded by the slow progress of shorter wavelength lithography New coverage of cutting-edge applications and approaches realized in the decade since publication of the previous edition—these are illustrated by new chapters on high-level synthesis, system-on-chip (SoC) block-based design, and back-annotating system-level models Offering improved depth and modernity, Electronic Design Automation for IC System Design, Verification, and Testing provides a valuable, state-of-the-art reference for electronic design automation (EDA) students, researchers, and professionals.
Book Synopsis Machine Learning Support for Fault Diagnosis of System-on-Chip by : Patrick Girard
Download or read book Machine Learning Support for Fault Diagnosis of System-on-Chip written by Patrick Girard and published by Springer Nature. This book was released on 2023-03-13 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a state-of-the-art guide to Machine Learning (ML)-based techniques that have been shown to be highly efficient for diagnosis of failures in electronic circuits and systems. The methods discussed can be used for volume diagnosis after manufacturing or for diagnosis of customer returns. Readers will be enabled to deal with huge amount of insightful test data that cannot be exploited otherwise in an efficient, timely manner. After some background on fault diagnosis and machine learning, the authors explain and apply optimized techniques from the ML domain to solve the fault diagnosis problem in the realm of electronic system design and manufacturing. These techniques can be used for failure isolation in logic or analog circuits, board-level fault diagnosis, or even wafer-level failure cluster identification. Evaluation metrics as well as industrial case studies are used to emphasize the usefulness and benefits of using ML-based diagnosis techniques.
Book Synopsis Physical-aware and Timing-aware Diagnosis for Systematic Defects and Small Delay Defects in Advanced Technology by : 陳柏瑞
Download or read book Physical-aware and Timing-aware Diagnosis for Systematic Defects and Small Delay Defects in Advanced Technology written by 陳柏瑞 and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Academies of Sciences, Engineering, and Medicine Publisher :National Academies Press ISBN 13 :0309377722 Total Pages :473 pages Book Rating :4.3/5 (93 download)
Book Synopsis Improving Diagnosis in Health Care by : National Academies of Sciences, Engineering, and Medicine
Download or read book Improving Diagnosis in Health Care written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2015-12-29 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt: Getting the right diagnosis is a key aspect of health care - it provides an explanation of a patient's health problem and informs subsequent health care decisions. The diagnostic process is a complex, collaborative activity that involves clinical reasoning and information gathering to determine a patient's health problem. According to Improving Diagnosis in Health Care, diagnostic errors-inaccurate or delayed diagnoses-persist throughout all settings of care and continue to harm an unacceptable number of patients. It is likely that most people will experience at least one diagnostic error in their lifetime, sometimes with devastating consequences. Diagnostic errors may cause harm to patients by preventing or delaying appropriate treatment, providing unnecessary or harmful treatment, or resulting in psychological or financial repercussions. The committee concluded that improving the diagnostic process is not only possible, but also represents a moral, professional, and public health imperative. Improving Diagnosis in Health Care, a continuation of the landmark Institute of Medicine reports To Err Is Human (2000) and Crossing the Quality Chasm (2001), finds that diagnosis-and, in particular, the occurrence of diagnostic errorsâ€"has been largely unappreciated in efforts to improve the quality and safety of health care. Without a dedicated focus on improving diagnosis, diagnostic errors will likely worsen as the delivery of health care and the diagnostic process continue to increase in complexity. Just as the diagnostic process is a collaborative activity, improving diagnosis will require collaboration and a widespread commitment to change among health care professionals, health care organizations, patients and their families, researchers, and policy makers. The recommendations of Improving Diagnosis in Health Care contribute to the growing momentum for change in this crucial area of health care quality and safety.
Book Synopsis Fault Simulation and Test Generation for Small Delay Faults by : Wangqi Qiu
Download or read book Fault Simulation and Test Generation for Small Delay Faults written by Wangqi Qiu and published by . This book was released on 2006 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ATPG methodology has been implemented on industrial designs. Speed binning has been done on many devices and silicon data has shown significant benefit of the KLPG test, compared to several traditional delay test approaches.
Book Synopsis Identifying Hard-to-detect Delay Defects by Testing at Multiple Test-speeds by : Jae-Kwang Lee
Download or read book Identifying Hard-to-detect Delay Defects by Testing at Multiple Test-speeds written by Jae-Kwang Lee and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
