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Layout Minimization Of Cmos Cells
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Book Synopsis Layout Minimization of CMOS Cells by : Robert L. Maziasz
Download or read book Layout Minimization of CMOS Cells written by Robert L. Maziasz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: The layout of an integrated circuit (lC) is the process of assigning geometric shape, size and position to the components (transistors and connections) used in its fabrication. Since the number of components in modem ICs is enormous, computer aided-design (CAD) programs are required to automate the difficult layout process. Prior CAD methods are inexact or limited in scope, and produce layouts whose area, and consequently manufacturing costs, are larger than necessary. This book addresses the problem of minimizing exactly the layout area of an important class of basic IC structures called CMOS cells. First, we precisely define the possible goals in area minimization for such cells, namely width and height minimization, with allowance for area-reducing reordering of transistors. We reformulate the layout problem in terms of a graph model and develop new graph-theoretic concepts that completely characterize the fundamental area minimization problems for series-parallel and nonseries-parallel circuits. These concepts lead to practical algorithms that solve all the basic layout minimization problems exactly, both for a single cell and for a one-dimensional array of such cells. Although a few of these layout problems have been solved or partially solved previously, we present here the first complete solutions to all the problems of interest.
Book Synopsis Exact Layout Area Minimization Od Static CMOS Cells by : Robert L. Maziasz
Download or read book Exact Layout Area Minimization Od Static CMOS Cells written by Robert L. Maziasz and published by . This book was released on 1993 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Exact Layout Area Minimization of Static CMOS Cells by : Robert L. Maziasz
Download or read book Exact Layout Area Minimization of Static CMOS Cells written by Robert L. Maziasz and published by . This book was released on 1991 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: interest.
Book Synopsis Transistor Level Micro Placement and Routing for Two-dimensional Digital VLSI Cell Synthesis by : Michael Anthony Riepe
Download or read book Transistor Level Micro Placement and Routing for Two-dimensional Digital VLSI Cell Synthesis written by Michael Anthony Riepe and published by . This book was released on 1999 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: The automated synthesis of mask geometry for VLSI leaf cells, referred to as the cell synthesis problem, is an important component of any structured custom integrated circuit design environment. Traditional approaches based on the classic functional cell style of Uehara & VanCleemput pose this problem as a straightforward one-dimensional graph optimization problem for which optimal solution methods are known. However, these approaches are only directly applicable to static CMOS circuits and they break down when faced with more exotic logic styles. Our methodology is centered around techniques for the efficient modeling and optimization of geometry sharing. Chains of diffusion-merged transistors are formed explicitly and their ordering optimized for area and global routing. In addition, more arbitrary merged structures are supported by allowing electrically compatible adjacent transistors to overlap during placement. The synthesis flow in TEMPO begins with a static transistor chain formation step. These chains are broken at the diffusion breaks and the resulting sub-chains passed to the placement step. During placement, an ordering is found for each chain and a location and orientation is assigned to each sub-chain. Different chain orderings affect the placement by changing the relative sizes of the sub-chains and their routing contribution. We conclude with a detailed routing step and an optional compaction step.
Book Synopsis Basics of CMOS Cell Design by : Etienne Sicard
Download or read book Basics of CMOS Cell Design written by Etienne Sicard and published by McGraw Hill Professional. This book was released on 2007-03-02 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design and Simulate Any Type of CMOS Circuit! Electronic circuit designers and electronic engineering students can turn to Basics of CMOS Cell Design for a practice-based introduction to the design and simulation of every major type of CMOS (complementary metal oxide semiconductor) integrated circuit. You will find step-by-step explanations of everything they need for designing and simulating CMOS integrated circuits in deep-submicron technology, including MOS devices...inverters...interconnects...basic gates ...arithmetics...sequential cell design...and analog basic cells. The book also presents design rules, Microwind program operation and commands, design logic editor operation and commands, and quick-reference sheets. Filled with 100 skills-building illustrations, Basics of CMOS Cell Design features: Expert guidance on MOS device modeling Complete details on micron and deep-submicron technologies Clear, concise information on basic logic gates Full coverage of analog cells A wealth of circuit simulation tools Inside This Landmark CMOS Circuit Design Guide— • MOS Devices and Technology • MOS Modeling • The Inverter • Interconnects • Basic Gates • Arithmetics • Sequential Cell Design • Analog Cells • Appendices: Design Rules; Microwind Program Operation and Commands; Design Logic Editor Operation and Commands; Quick- Reference Sheets
Book Synopsis Integer-programming-based Layout Synthesis of Two-dimensional CMOS Cells by : Ananeendra Gupta
Download or read book Integer-programming-based Layout Synthesis of Two-dimensional CMOS Cells written by Ananeendra Gupta and published by . This book was released on 1997 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct Transistor-Level Layout for Digital Blocks by : Prakash Gopalakrishnan
Download or read book Direct Transistor-Level Layout for Digital Blocks written by Prakash Gopalakrishnan and published by Springer Science & Business Media. This book was released on 2006-01-16 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cell-based design methodologies have dominated layout generation of digital circuits. Unfortunately, the growing demands for transparent process portability, increased performance, and low-level device sizing for timing/power are poorly handled in a fixed cell library. Direct Transistor-Level Layout For Digital Blocks proposes a direct transistor-level layout approach for small blocks of custom digital logic as an alternative that better accommodates demands for device-level flexibility. This approach captures essential shape-level optimizations, yet scales easily to netlists with thousands of devices, and incorporates timing optimization during layout. The key idea is early identification of essential diffusion-merged MOS device groups, and their preservation in an uncommitted geometric form until the very end of detailed placement. Roughly speaking, essential groups are extracted early from the transistor-level netlist, placed globally, optimized locally, and then finally committed each to a specific shape-level form while concurrently optimizing for both density and routability. The essential flaw in prior efforts is an over-reliance on geometric assumptions from large-scale cell-based layout algorithms. Individual transistors may seem simple, but they do not pack as gates do. Algorithms that ignore these shape-level issues suffer the consequences when thousands of devices are poorly packed. The approach described in this book can pack devices much more densely than a typical cell-based layout. Direct Transistor-Level Layout For Digital Blocks is a comprehensive reference work on device-level layout optimization, which will be valuable to CAD tool and circuit designers.
Book Synopsis VLSI: Systems on a Chip by : Luis Miguel Silveira
Download or read book VLSI: Systems on a Chip written by Luis Miguel Silveira and published by Springer. This book was released on 2013-11-11 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: For over three decades now, silicon capacity has steadily been doubling every year and a half with equally staggering improvements continuously being observed in operating speeds. This increase in capacity has allowed for more complex systems to be built on a single silicon chip. Coupled with this functionality increase, speed improvements have fueled tremendous advancements in computing and have enabled new multi-media applications. Such trends, aimed at integrating higher levels of circuit functionality are tightly related to an emphasis on compactness in consumer electronic products and a widespread growth and interest in wireless communications and products. These trends are expected to persist for some time as technology and design methodologies continue to evolve and the era of Systems on a Chip has definitely come of age. While technology improvements and spiraling silicon capacity allow designers to pack more functions onto a single piece of silicon, they also highlight a pressing challenge for system designers to keep up with such amazing complexity. To handle higher operating speeds and the constraints of portability and connectivity, new circuit techniques have appeared. Intensive research and progress in EDA tools, design methodologies and techniques is required to empower designers with the ability to make efficient use of the potential offered by this increasing silicon capacity and complexity and to enable them to design, test, verify and build such systems.
Book Synopsis Encyclopedia of Microcomputers by : Allen Kent
Download or read book Encyclopedia of Microcomputers written by Allen Kent and published by CRC Press. This book was released on 1993-11-18 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Encyclopedia of Microcomputers serves as the ideal companion reference to the popular Encyclopedia of Computer Science and Technology. Now in its 10th year of publication, this timely reference work details the broad spectrum of microcomputer technology, including microcomputer history; explains and illustrates the use of microcomputers throughout academe, business, government, and society in general; and assesses the future impact of this rapidly changing technology."
Book Synopsis Efficient Area Minimization for Dynamic CMOS Circuits by : Bulent Basaran
Download or read book Efficient Area Minimization for Dynamic CMOS Circuits written by Bulent Basaran and published by . This book was released on 1996 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "We present a new transistor ordering technique for the layout of dynamic CMOS leaf-cells which minimizes the cell area. The technique employs an Eulerian trail formulation which guarantees that the result is always of minimum width, i.e., the total diffusion area is optimum. A novel iterative improvement strategy minimizes the cell height as defined by the number of wiring tracks required to connect source and drain terminals. We were able to find a transistor ordering with the theoretical optimum area for many industrial circuits and standard test cases from the literature."
Book Synopsis VLSI Physical Design Automation by : Sadiq M Sait
Download or read book VLSI Physical Design Automation written by Sadiq M Sait and published by World Scientific Publishing Company. This book was released on 1999-10-04 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: VLSI is an important area of electronic and computer engineering. However, there are few textbooks available for undergraduate/postgraduate study of VLSI design automation and chip layout. VLSI Physical Design Automation: Theory and Practice fills the void and is an essential introduction for senior undergraduates, postgraduates and anyone starting work in the field of CAD for VLSI. It covers all aspects of physical design, together with such related areas as automatic cell generation, silicon compilation, layout editors and compaction. A problem-solving approach is adopted and each solution is illustrated with examples. Each topic is treated in a standard format: Problem Definition, Cost Functions and Constraints, Possible Approaches and Latest Developments. Special features: The book deals with all aspects of VLSI physical design, from partitioning and floorplanning to layout generation and silicon compilation; provides a comprehensive treatment of most of the popular algorithms; covers the latest developments and gives a bibliography for further research; offers numerous fully described examples, problems and programming exercises.
Book Synopsis Advances in Genetic Programming by : Kenneth E. Kinnear
Download or read book Advances in Genetic Programming written by Kenneth E. Kinnear and published by MIT Press. This book was released on 1994 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Genetic Programming reports significant results in improving the power of genetic programming, presenting techniques that can be employed immediately in the solution of complex problems in many areas, including machine learning and the simulation of autonomous behavior. Popular languages such as C and C++ are used in manu of the applications and experiments, illustrating how genetic programming is not restricted to symbolic computing languages such as LISP. Researchers interested in getting started in genetic programming will find information on how to begin, on what public-domain code is available, and on how to become part of the active genetic programming community via electronic mail.
Book Synopsis Sequential Logic Testing and Verification by : Abhijit Ghosh
Download or read book Sequential Logic Testing and Verification written by Abhijit Ghosh and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to design and build computers that achieve and sustain high performance, it is essential that reliability issues be considered care fully. The problem has several aspects. Certainly, considering reliability implies that an engineer must be able to analyze how design decisions affect the incidence of failure. For instance, in order design reliable inte gritted circuits, it is necessary to analyze how decisions regarding design rules affect the yield, i.e., the percentage of functional chips obtained by the manufacturing process. Of equal importance in producing reliable computers is the detection of failures in its Very Large Scale Integrated (VLSI) circuit components, caused by errors in the design specification, implementation, or manufacturing processes. Design verification involves the checking of the specification of a design for correctness prior to carrying out an implementation. Implementation verification ensures that the manual design or automatic synthesis process is correct, i.e., the mask-level description correctly implements the specification. Manufacture test involves the checking of the complex fabrication process for correctness, i.e., ensuring that there are no manufacturing defects in the integrated circuit. It should be noted that all the above verification mechanisms deal not only with verifying the functionality of the integrated circuit but also its performance.
Book Synopsis Handbook of Algorithms for Physical Design Automation by : Charles J. Alpert
Download or read book Handbook of Algorithms for Physical Design Automation written by Charles J. Alpert and published by CRC Press. This book was released on 2008-11-12 with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt: The physical design flow of any project depends upon the size of the design, the technology, the number of designers, the clock frequency, and the time to do the design. As technology advances and design-styles change, physical design flows are constantly reinvented as traditional phases are removed and new ones are added to accommodate changes in
Book Synopsis Genetic Programming IV by : John R. Koza
Download or read book Genetic Programming IV written by John R. Koza and published by Springer Science & Business Media. This book was released on 2005-09-14 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetic Programming IV: Routine Human-Competitive Machine Intelligence presents the application of GP to a wide variety of problems involving automated synthesis of controllers, circuits, antennas, genetic networks, and metabolic pathways. The book describes fifteen instances where GP has created an entity that either infringes or duplicates the functionality of a previously patented 20th-century invention, six instances where it has done the same with respect to post-2000 patented inventions, two instances where GP has created a patentable new invention, and thirteen other human-competitive results. The book additionally establishes: GP now delivers routine human-competitive machine intelligence GP is an automated invention machine GP can create general solutions to problems in the form of parameterized topologies GP has delivered qualitatively more substantial results in synchrony with the relentless iteration of Moore's Law
Author :Anantha P. Chandrakasan Publisher :Springer Science & Business Media ISBN 13 :1461523257 Total Pages :419 pages Book Rating :4.4/5 (615 download)
Book Synopsis Low Power Digital CMOS Design by : Anantha P. Chandrakasan
Download or read book Low Power Digital CMOS Design written by Anantha P. Chandrakasan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power consumption has become a major design consideration for battery-operated, portable systems as well as high-performance, desktop systems. Strict limitations on power dissipation must be met by the designer while still meeting ever higher computational requirements. A comprehensive approach is thus required at all levels of system design, ranging from algorithms and architectures to the logic styles and the underlying technology. Potentially one of the most important techniques involves combining architecture optimization with voltage scaling, allowing a trade-off between silicon area and low-power operation. Architectural optimization enables supply voltages of the order of 1 V using standard CMOS technology. Several techniques can also be used to minimize the switched capacitance, including representation, optimizing signal correlations, minimizing spurious transitions, optimizing sequencing of operations, activity-driven power down, etc. The high- efficiency of DC-DC converter circuitry required for efficient, low-voltage and low-current level operation is described by Stratakos, Sullivan and Sanders. The application of various low-power techniques to a chip set for multimedia applications shows that orders-of-magnitude reduction in power consumption is possible. The book also features an analysis by Professor Meindl of the fundamental limits of power consumption achievable at all levels of the design hierarchy. Svensson, of ISI, describes emerging adiabatic switching techniques that can break the CV2f barrier and reduce the energy per computation at a fixed voltage. Srivastava, of AT&T, presents the application of aggressive shut-down techniques to microprocessor applications.
