Download or read book Circuit Performance Verification and Optimization in the Presence of Variability written by Sari Onaissi and published by . This book was released on 2011 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The continued scaling of digital integrated circuits has led to an increasingly larger impact of process, supply voltage, and temperature (PVT) variations. The effect of these variations on logic cell and interconnect delays has introduced challenges to both circuit performance (timing) verification and optimization. In order for us to fully take advantage of the benefits of technology scaling, it is essential that "variation-aware" techniques for performance verification and optimization be developed and used in modern design flows.In this thesis such techniques for both performance verification and optimization are presented. First, we present a fast method for finding the worst-case slacks over all process and environmental corners. This method uses the standard set of PVT corners available in industry, and provides large runtime gains while maintaining a high degree of accuracy. After that, we propose an efficient block-based parameterized timing analysis technique that can accurately capture circuit delays at every point in the parameter space, by reporting all paths that can become critical. This method employs parameterized static timing analysis (PSTA) variability models, and allows one to easily examine local robustness to parameters in different regions of the parameter space. Next, we introduce an optimization method that alters clock network lines so that a circuit meets its timing constraints at all PVT settings under PSTA variability models. This is formulated as a Linear Program (LP), which is based on a clock skew optimization formulation, and as a result it can be solved efficiently. Finally, we present a method that uses characterized, pre-silicon, PSTA variational timing models to identify speedpaths that can best explain the observed delay measurements during silicon debug. This is a crucial step, required for both "fixing"' failing paths and for accurate learning from silicon data.

Download or read book Nano CMOS Design for Manufacturability written by Ban P. Wong and published by John Wiley & Sons. This book was released on 2008-12-29 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discover innovative tools that pave the way from circuit and physical design to fabrication processing Nano-CMOS Design for Manufacturability examines the challenges that design engineers face in the nano-scaled era, such as exacerbated effects and the proven design for manufacturability (DFM) methodology in the midst of increasing variability and design process interactions. In addition to discussing the difficulties brought on by the continued dimensional scaling in conformance with Moore's law, the authors also tackle complex issues in the design process to overcome the difficulties, including the use of a functional first silicon to support a predictable product ramp. Moreover, they introduce several emerging concepts, including stress proximity effects, contour-based extraction, and design process interactions. This book is the sequel to Nano-CMOS Circuit and Physical Design, taking design to technology nodes beyond 65nm geometries. It is divided into three parts: Part One, Newly Exacerbated Effects, introduces the newly exacerbated effects that require designers' attention, beginning with a discussion of the lithography aspects of DFM, followed by the impact of layout on transistor performance Part Two, Design Solutions, examines how to mitigate the impact of process effects, discussing the methodology needed to make sub-wavelength patterning technology work in manufacturing, as well as design solutions to deal with signal, power integrity, WELL, stress proximity effects, and process variability Part Three, The Road to DFM, describes new tools needed to support DFM efforts, including an auto-correction tool capable of fixing the layout of cells with multiple optimization goals, followed by a look ahead into the future of DFM Throughout the book, real-world examples simplify complex concepts, helping readers see how they can successfully handle projects on Nano-CMOS nodes. It provides a bridge that allows engineers to go from physical and circuit design to fabrication processing and, in short, make designs that are not only functional, but that also meet power and performance goals within the design schedule.

Download or read book Surrogate Based Optimization and Verification of Analog and Mixed Signal Circuits written by Ibtissem Seghaier and published by . This book was released on 2018 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Analog and Mixed Signal (AMS) circuits are very complex and expensive to design and verify. Deeper technology scaling has made these designs susceptible to noise and process variations which presents a growing concern due to the degradation in the circuit performances and risks of design failures. In fact, due to process parameters, AMS circuits like phase locked loops may present chaotic behavior that can be confused with noisy behavior. To design and verify circuits, current industrial designs rely heavily on simulation based verification and knowledge based optimization techniques. However, such techniques lack mathematical rigor necessary to catch up with the growing design constraints besides being computationally intractable. Given all aforementioned barriers, new techniques are needed to ensure that circuits are robust and optimized despite process variations and possible chaotic behavior. In this thesis, we develop a methodology for optimization and verification of AMS circuits advancing three frontiers in the variability-aware design flow. The first frontier is a robust circuit sizing methodology wherein a multi-level circuit optimization approach is proposed. The optimization is conducted in two phases. First, a global sizing phase powered by a regional sensitivity analysis to quickly scout the feasible design space that reduces the optimization search. Second, nominal sizing step based on space mapping of two AMS circuits models at different levels of abstraction is developed for the sake of breaking the re-design loop without performance penalties. The second frontier concerns a dynamics verification scheme of the circuit behavior (i.e., study the chaotic vs. stochastic circuit behavior). It is based on a surrogate generation approach and a statistical proof by contradiction technique using Gaussian Kernel measure in the state space domain. The last frontier focus on quantitative verification approaches to predict parametric yield for both a single and multiple circuit performance constraints. The single performance approach is based on a combination of geometrical intertwined reachability analysis and a non-parametric statistical verification scheme. On the other hand, the multiple performances approach involves process parameter reduction, state space based pattern matching, and multiple hypothesis testing procedures. The performance of the proposed methodology is demonstrated on several benchmark analog and mixed signal circuits. The optimization approach greatly improves computational efficiency while locating a comparable/better design point than other approaches. Moreover, great improvements were achieved using our verification methods with many orders of speedup compared to existing techniques.

Download or read book Advanced Symbolic Analysis for VLSI Systems written by Guoyong Shi and published by Springer. This book was released on 2014-06-19 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides comprehensive coverage of the recent advances in symbolic analysis techniques for design automation of nanometer VLSI systems. The presentation is organized in parts of fundamentals, basic implementation methods and applications for VLSI design. Topics emphasized include statistical timing and crosstalk analysis, statistical and parallel analysis, performance bound analysis and behavioral modeling for analog integrated circuits. Among the recent advances, the Binary Decision Diagram (BDD) based approaches are studied in depth. The BDD-based hierarchical symbolic analysis approaches, have essentially broken the analog circuit size barrier.

Download or read book Protecting Chips Against Hold Time Violations Due to Variability written by Gustavo Neuberger and published by Springer Science & Business Media. This book was released on 2013-10-01 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the development of Very-Deep Sub-Micron technologies, process variability is becoming increasingly important and is a very important issue in the design of complex circuits. Process variability is the statistical variation of process parameters, meaning that these parameters do not have always the same value, but become a random variable, with a given mean value and standard deviation. This effect can lead to several issues in digital circuit design. The logical consequence of this parameter variation is that circuit characteristics, as delay and power, also become random variables. Because of the delay variability, not all circuits will now have the same performance, but some will be faster and some slower. However, the slowest circuits may be so slow that they will not be appropriate for sale. On the other hand, the fastest circuits that could be sold for a higher price can be very leaky, and also not very appropriate for sale. A main consequence of power variability is that the power consumption of some circuits will be different than expected, reducing reliability, average life expectancy and warranty of products. Sometimes the circuits will not work at all, due to reasons associated with process variations. At the end, these effects result in lower yield and lower profitability. To understand these effects, it is necessary to study the consequences of variability in several aspects of circuit design, like logic gates, storage elements, clock distribution, and any other that can be affected by process variations. The main focus of this book will be storage elements.

Download or read book Yield and Variability Optimization of Integrated Circuits written by Jian Cheng Zhang and published by . This book was released on 1992 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book VLSI SoC System on Chip in the Nanoscale Era Design Verification and Reliability written by Thomas Hollstein and published by Springer. This book was released on 2017-08-31 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains extended and revised versions of the best papers presented at the 24th IFIP WG 10.5/IEEE International Conference on Very Large Scale Integration, VLSI-SoC 2016, held in Tallinn, Estonia, in September 2016. The 11 papers included in the book were carefully reviewed and selected from the 36 full papers presented at the conference. The papers cover a wide range of topics in VLSI technology and advanced research. They address the latest scientific and industrial results and developments as well as future trends in the field of System-on-Chip (SoC) Design.

Download or read book EDA for IC Implementation Circuit Design and Process Technology written by Luciano Lavagno and published by CRC Press. This book was released on 2018-10-03 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting a comprehensive overview of the design automation algorithms, tools, and methodologies used to design integrated circuits, the Electronic Design Automation for Integrated Circuits Handbook is available in two volumes. The second volume, EDA for IC Implementation, Circuit Design, and Process Technology, thoroughly examines real-time logic to GDSII (a file format used to transfer data of semiconductor physical layout), analog/mixed signal design, physical verification, and technology CAD (TCAD). Chapters contributed by leading experts authoritatively discuss design for manufacturability at the nanoscale, power supply network design and analysis, design modeling, and much more. Save on the complete set.

Download or read book Exploration of semiconductor Product written by Andrew .J and published by Andrew .J. This book was released on 2024-05-11 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: The semiconductor market refers to the industry involved in the design, development, manufacturing, and distribution of semiconductors, which are the building blocks of electronic devices. Semiconductors are materials with electrical conductivity between that of conductors (such as metals) and insulators (such as plastics). They are primarily made of silicon, although other materials like gallium arsenide, germanium, and indium phosphide are also used. The semiconductor market has experienced significant growth over the years due to the increasing demand for electronic devices and advancements in technology. The market is driven by various factors such as the growing demand of smartphones and mobile devices, the expansion of the automotive industry, the rise of Internet of Things (IoT) devices, and the development of emerging technologies like artificial intelligence (AI), virtual reality (VR), and autonomous vehicles, etc. To sum up, the semiconductor market is a dynamic and rapidly evolving industry that plays a critical role in shaping the modern technological landscape. Its growth is driven by advancements in various sectors, and it continues to be a key enabler of innovation and technological progress. The range of individual technological elements necessary for the semiconductor industry is extensive, leading to the publication of numerous technical books across various domains. (while it is understandable that advanced technologies specific to each company are not publicly disclosed due to concerns regarding potential leaks) These publications have undeniably played a significant role in aiding professionals and students for establishing a solid foundation of knowledge. In addition to the importance of individual technologies, it is necessary to examine what final products emerge as these technologies converge. While consumer electronics such as PCs and smartphones vary, there are common aspects among the semiconductor products that constitute them. Should one seek more comprehensive materials, it often entails a costly purchase of white paper. In this book, we aim to delve into a more in-depth discussion of the semiconductor market, with an emphasis on the product perspective. To accomplish this, we will extensively draw upon various academic and market resources. Additionally, in order to foster a comprehensive understanding of the market, it is necessary to have a certain level of familiarity with technical elements. Therefore, some technical explanations alongside the discussions is provided. In this book, we primarily focus on the FAB (Fabrication) domain. This book is divided into three major parts. Part 1 provides an overview of the semiconductor market, covering the definition, significance, supply chain structure, regional characteristics, challenges, and more within the semiconductor industry. Part 2, the major portion of this book, offers a comprehensive explanation of the most widely used types of semiconductor products. Particularly high market share products, notably Microcomponents, APs, and memory semiconductors, will have separate in-depth descriptions provided in the appendix. Finally, Part 3 will outline the general process by which these products are designed, focusing on a typical perspective, up to the stage just before Foundry.

Download or read book Supply Chain Management written by Dr. Md. Mamun Habib and published by BoD – Books on Demand. This book was released on 2011-09-12 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supply Chain Management (SCM) has been widely researched in numerous application domains during the last decade. Despite the popularity of SCM research and applications, considerable confusion remains as to its meaning. There are several attempts made by researchers and practitioners to appropriately define SCM. Amidst fierce competition in all industries, SCM has gradually been embraced as a proven managerial approach to achieving sustainable profits and growth. This book "Supply Chain Management - Applications and Simulations" is comprised of twelve chapters and has been divided into four sections. Section I contains the introductory chapter that represents theory and evolution of Supply Chain Management. This chapter highlights chronological prospective of SCM in terms of time frame in different areas of manufacturing and service industries. Section II comprised five chapters those are related to strategic and tactical issues in SCM. Section III encompasses four chapters that are relevant to project and technology issues in Supply Chain. Section IV consists of two chapters which are pertinent to risk managements in supply chain.

Download or read book Recent Topics on Modeling of Semiconductor Processes Devices and Circuits written by Rasit Onur Topaloglu and published by Bentham Science Publishers. This book was released on 2011-09-09 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The last couple of years have been very busy for the semiconductor industry and researchers. The rapid speed of production channel length reduction has brought lithographic challenges to semiconductor modeling. These include stress optimization, transisto"

Download or read book Proceedings written by and published by . This book was released on 1993 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Convex Optimization written by Stephen P. Boyd and published by Cambridge University Press. This book was released on 2004-03-08 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: Convex optimization problems arise frequently in many different fields. This book provides a comprehensive introduction to the subject, and shows in detail how such problems can be solved numerically with great efficiency. The book begins with the basic elements of convex sets and functions, and then describes various classes of convex optimization problems. Duality and approximation techniques are then covered, as are statistical estimation techniques. Various geometrical problems are then presented, and there is detailed discussion of unconstrained and constrained minimization problems, and interior-point methods. The focus of the book is on recognizing convex optimization problems and then finding the most appropriate technique for solving them. It contains many worked examples and homework exercises and will appeal to students, researchers and practitioners in fields such as engineering, computer science, mathematics, statistics, finance and economics.

Download or read book Integrated Circuit and System Design Power and Timing Modeling Optimization and Simulation written by Vassilis Paliouras and published by Springer. This book was released on 2005-08-25 with total page 767 pages. Available in PDF, EPUB and Kindle. Book excerpt: Welcome to the proceedings of PATMOS 2005, the 15th in a series of international workshops.PATMOS2005wasorganizedbyIMECwithtechnicalco-sponsorshipfrom the IEEE Circuits and Systems Society. Over the years, PATMOS has evolved into an important European event, where - searchers from both industry and academia discuss and investigate the emerging ch- lenges in future and contemporary applications, design methodologies, and tools - quired for the developmentof upcominggenerationsof integrated circuits and systems. The technical program of PATMOS 2005 contained state-of-the-art technical contri- tions, three invited talks, a special session on hearing-aid design, and an embedded - torial. The technical program focused on timing, performance and power consumption, as well as architectural aspects with particular emphasis on modeling, design, char- terization, analysis and optimization in the nanometer era. The Technical Program Committee, with the assistance of additional expert revi- ers, selected the 74 papers to be presented at PATMOS. The papers were divided into 11 technical sessions and 3 poster sessions. As is always the case with the PATMOS workshops, the review process was anonymous, full papers were required, and several reviews were carried out per paper. Beyond the presentations of the papers, the PATMOS technical program was - riched by a series of speeches offered by world class experts, on important emerging research issues of industrial relevance. Prof. Jan Rabaey, Berkeley, USA, gave a talk on “Traveling the Wild Frontier of Ulta Low-Power Design”, Dr. Sung Bae Park, S- sung, gave a presentation on “DVL (Deep Low Voltage): Circuits and Devices”, Prof.

Download or read book Computer Aided Design of Analog Integrated Circuits and Systems written by Rob A. Rutenbar and published by John Wiley & Sons. This book was released on 2002-05-06 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: The tools and techniques you need to break the analog design bottleneck! Ten years ago, analog seemed to be a dead-end technology. Today, System-on-Chip (SoC) designs are increasingly mixed-signal designs. With the advent of application-specific integrated circuits (ASIC) technologies that can integrate both analog and digital functions on a single chip, analog has become more crucial than ever to the design process. Today, designers are moving beyond hand-crafted, one-transistor-at-a-time methods. They are using new circuit and physical synthesis tools to design practical analog circuits; new modeling and analysis tools to allow rapid exploration of system level alternatives; and new simulation tools to provide accurate answers for analog circuit behaviors and interactions that were considered impossible to handle only a few years ago. To give circuit designers and CAD professionals a better understanding of the history and the current state of the art in the field, this volume collects in one place the essential set of analog CAD papers that form the foundation of today's new analog design automation tools. Areas covered are: * Analog synthesis * Symbolic analysis * Analog layout * Analog modeling and analysis * Specialized analog simulation * Circuit centering and yield optimization * Circuit testing Computer-Aided Design of Analog Integrated Circuits and Systems is the cutting-edge reference that will be an invaluable resource for every semiconductor circuit designer and CAD professional who hopes to break the analog design bottleneck.

Download or read book Principles of Asynchronous Circuit Design written by Jens Sparsø and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Asynchronous Circuit Design - A Systems Perspective addresses the need for an introductory text on asynchronous circuit design. Part I is an 8-chapter tutorial which addresses the most important issues for the beginner, including how to think about asynchronous systems. Part II is a 4-chapter introduction to Balsa, a freely-available synthesis system for asynchronous circuits which will enable the reader to get hands-on experience of designing high-level asynchronous systems. Part III offers a number of examples of state-of-the-art asynchronous systems to illustrate what can be built using asynchronous techniques. The examples range from a complete commercial smart card chip to complex microprocessors. The objective in writing this book has been to enable industrial designers with a background in conventional (clocked) design to be able to understand asynchronous design sufficiently to assess what it has to offer and whether it might be advantageous in their next design task.

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt: