Download or read book Synthesis and Verification of Asynchronous Circuits from Graphical Specifications written by Cho Woo Moon and published by . This book was released on 1992 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Asynchronous Circuit Design for VLSI Signal Processing written by Teresa H. Meng and published by Springer Science & Business Media. This book was released on 2011-06-27 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asynchronous Circuit Design for VLSI Signal Processing is a collection of research papers on recent advances in the area of specification, design and analysis of asynchronous circuits and systems. This interest in designing digital computing systems without a global clock is prompted by the ever growing difficulty in adopting global synchronization as the only efficient means to system timing. Asynchronous circuits and systems have long held interest for circuit designers and researchers alike because of the inherent challenge involved in designing these circuits, as well as developing design techniques for them. The frontier research in this area can be traced back to Huffman's publications `The Synthesis of Sequential Switching Circuits' in 1954 followed by Unger's book, `Asynchronous Sequential Switching Circuits' in 1969 where a theoretical foundation for handling logic hazards was established. In the last few years a growing number of researchers have joined force in unveiling the mystery of designing correct asynchronous circuits, and better yet, have produced several alternatives in automatic synthesis and verification of such circuits. This collection of research papers represents a balanced view of current research efforts in the design, synthesis and verification of asynchronous systems.

Download or read book Algorithms for Synthesis and Testing of Asynchronous Circuits written by Luciano Lavagno and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the second half of the 1980s asynchronous circuits have been the subject of a great deal of research following a period of relative oblivion. The lack of interest in asynchronous techniques was motivated by the progressive shift towards synchronous design techniques that had much more structure and were much easier to verify and synthesize. System design requirements made it impossible to eliminate totally the use of asynchronous circuits. Given the objective difficulty encountered by designers, the asynchronous components of electronic systems such as interfaces became a serious bottleneck in the design process. The use of new models and some theoretical breakthroughs made it possible to develop asynchronous design techniques that were reliable and effective. This book describes a variety of mathematical models and of algorithms that form the backbone and the body of a new design methodology for asyn chronous design. The book is intended for asynchronous hardware designers, for computer-aided tool experts, and for digital designers interested in ex ploring the possibility of designing asynchronous circuits. It requires a solid mathematical background in discrete event systems and algorithms. While the book has not been written as a textbook, nevertheless it could be used as a reference book in an advanced course in logic synthesis or asynchronous design.

Download or read book Synthesis of Asynchronous Circuits from Signal Transition Graph Specifications written by Radhakrishna Nagalla and published by . This book was released on 1997 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Asynchronous Circuits written by Janusz A. Brzozowski and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, there has been a great surge of interest in asynchronous circuits, largely through the development of new asynchronous design methodologies. This book provides a comprehensive theory of asynchronous circuits, including modelling, analysis, simulation, specification, verification, and an introduction to their design.

Download or read book Asynchronous Circuit Design written by Chris J. Myers and published by John Wiley & Sons. This book was released on 2004-04-05 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: With asynchronous circuit design becoming a powerful tool in thedevelopment of new digital systems, circuit designers are expectedto have asynchronous design skills and be able to leverage them toreduce power consumption and increase system speed. This book walksreaders through all of the different methodologies of asynchronouscircuit design, emphasizing practical techniques and real-worldapplications instead of theoretical simulation. The only guide ofits kind, it also features an ftp site complete with supportmaterials. Market: Electrical Engineers, Computer Scientists, DeviceDesigners, and Developers in industry. An Instructor Support FTP site is available from the Wileyeditorial department.

Download or read book Specification Synthesis and Verification of Hazard free Asynchronous Circuits written by Cho Woo Moon and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Completion Detection in Asynchronous Circuits written by Pallavi Srivastava and published by Springer Nature. This book was released on 2022-11-08 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended for designers with experience in traditional (clocked) circuit design, seeking information about asynchronous circuit design, in order to determine if it would be advantageous to adopt asynchronous methodologies in their next design project. The author introduces a generic approach for implementing a deterministic completion detection scheme for asynchronous bundled data circuits that incorporates a data-dependent computational process, taking advantage of the average-case delay. The author validates the architecture using a barrel shifter, as shifting is the basic operation required by all the processors. The generic architecture proposed in this book for a deterministic completion detection scheme for bundled data circuits will facilitate researchers in considering the asynchronous design style for developing digital circuits.

Download or read book Automatic Synthesis and Verification of Gate level Timed Circuits written by Stanford University. Computer Systems Laboratory and published by . This book was released on 1994 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a CAD system for the automatic synthesis and verification of gate-level timed circuits. Timed circuits are a class of asynchronous circuits which incorporate explicit timing information in the specification which is used throughout the synthesis procedure to optimize the design. This system accepts a textual specification capable of specifying general circuit behavior and timing requirements. This specification is systematically transformed to a graphical representation that can be analyzed using an exact and efficient timing analysis algorithm to find the reachable state space. From this state space, our synthesis procedure derives a timed circuit that is hazard-free using only basic gates to facilitate the mapping to semi-custom components, such as standard-cells and gate-arrays. The resulting gate-level timed circuit implementations are up to 40 percent smaller and 50 percent faster than those produced using other asynchronous design methodologies. We also demonstrate that our timed designs can be smaller and faster than their synchronous counterparts. To address verification, we have applied our timing analysis algorithm to verify efficiently not only our synthesized circuits but also a wide collection of reasonable-sized, highly concurrent timed circuits that could not previously be verified using traditional techniques.

Download or read book Asynchronous Digital Circuit Design written by Graham Birtwistle and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the costs of power and timing become increasingly difficult to manage in traditional synchronous systems, designers are being forced to look at asynchronous alternatives. Based on reworked and expanded papers from the VII Banff Higher Order Workshop, this volume examines asynchronous methods which have been used in large circuit design, ranging from initial formal specification to more standard finite state machine based control models. Written by leading practitioners in the area, the papers cover many aspects of current practice including practical design, silicon compilation, and applications of formal specification. It also includes a state-of-the-art survey of asynchronous hardware design. The resulting volume will be invaluable to anyone interested in designing correct asynchronous circuits which exhibit high performance or low power operation.

Download or read book Logic Synthesis for Asynchronous Controllers and Interfaces written by J. Cortadella and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the result of a long friendship, of a broad international co operation, and of a bold dream. It is the summary of work carried out by the authors, and several other wonderful people, during more than 15 years, across 3 continents, in the course of countless meetings, workshops and discus sions. It shows that neither language nor distance can be an obstacle to close scientific cooperation, when there is unity of goals and true collaboration. When we started, we had very different approaches to handling the mys terious, almost magical world of asynchronous circuits. Some were more theo retical, some were closer to physical reality, some were driven mostly by design needs. In the end, we all shared the same belief that true Electronic Design Automation research must be solidly grounded in formal models, practically minded to avoid excessive complexity, and tested "in the field" in the form of experimental tools. The results are this book, and the CAD tool petrify. The latter can be downloaded and tried by anybody bold (or desperate) enough to tread into the clockless (but not lawless) domain of small-scale asynchronicity. The URL is http://www.lsi. upc. esr j ordic/petrify. We believe that asynchronous circuits are a wonderful object, that aban dons some of the almost militaristic law and order that governs synchronous circuits, to improve in terms of simplicity, energy efficiency and performance.

Download or read book Electronic Design Automation Frameworks written by Franz J. Rammig and published by Springer. This book was released on 2013-04-17 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design frameworks have become an important infrastructure for building complex design systems. Electronic Design Automation Frameworks presents a state-of-the-art review of the latest research results covering this topic; results which are also of value for other design frameworks. The book contains the selected proceedings of the Fourth International Working Conference on Electronic Design Frameworks, organized by the International Federation for Information Processing and held in Gramado, Brazil, in November 1994.

Download or read book Synthesis of Asynchronous Circuits written by Stephen Paul Wilcox and published by . This book was released on 1999 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "The majority of integrated circuits today are synchronous: every part of the chip times its operation with reference to a single global clock. As circuits become larger and faster, it becomes progressively more difficult to coordinate all actions of the chip to the clock. Asynchronous circuits do not suffer from this problem, because they do not require global synchronization; they also offer other benefits, such as modularity, lower power and automatic adaptation to physical conditions. The main disadvantage of asynchronous circuits is that techniques for their design are less well understood than for synchronous circuits, and there are few tools to help with the design process. This dissertation proposes an approach to the design of asynchronous modules, and a new synthesis tool which combines a number of novel ideas with existing methods for finite state machine synthesis. Connections between modules are assumed to have unbounded finite delays on all wires, but fundamental mode is used inside modules, rather than the pessimistic speed-independent or quasi-delay-insensitive models. Accurate technology-specific verification is performed to check that circuits work correctly. Circuits are described using a language based upon the Signal Transition Graph, which is a well-known method for specifying asynchronous circuits. Concurrency reduction techniques are used to produce a large number of circuits that conform to a given specification. Circuits are verified using a bi-bounded simulation algorithm, and then performance estimations are obtained by a gate-level simulator utilising a new estimation of waveform slopes. Circuits can be ranked in terms of high speed, low power dissipation or small size, and then the best circuit for a particular task chosen. Results are presented that show significant improvements over most circuits produced by other synthesis tools. Some circuits are twice as fast and dissipate half the power of equivalent speed-independent circuits. Examples of the specification language are provided which show that it is easier to use than current specification approaches. The price that must be paid for the improved performance is decreased reliability, technology dependence of the circuits produced, and increased runtime compared to other tools."

Download or read book Specification and verification of asynchronous circuits written by Michael Yoeli and published by . This book was released on 1986 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book VLSI Specification Verification and Synthesis written by Graham Birtwistle and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: VLSI Specification, Verification and Synthesis Proceedings of a workshop held in Calgary from 12-16 January 1987. The collection of papers in this book represents some of the discussions and presentations at a workshop on hardware verification held in Calgary, January 12-16 1987. The thrust of the workshop was to give the floor to a few leading researchers involved in the use of formal approaches to VLSI design, and provide them ample time to develop not only their latest ideas but also the evolution of these ideas. In contrast to simulation, where the objective is to assist in detecting errors in system behavior in the case of some selected inputs, the intent of hardware verification is to formally prove that a chip design meets a specification of its intended behavior (for all acceptable inputs). There are several important applications where formal verification of designs may be argued to be cost-effective. Examples include hardware components used in "safety critical" applications such as flight control, industrial plants, and medical life-support systems (such as pacemakers). The problems are of such magnitude in certain defense applications that the UK Ministry of Defense feels it cannot rely on commercial chips and has embarked on a program of producing formally verified chips to its own specification. Hospital, civil aviation, and transport boards in the UK will also use these chips. A second application domain for verification is afforded by industry where specific chips may be used in high volume or be remotely placed.

Download or read book Synthesis of Asynchronous Circuits from Simulink Specifications written by Maurizio Tranchero and published by LAP Lambert Academic Publishing. This book was released on 2010-06 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work introduces an approach to automatically synthesize Simulink diagrams into asynchronous circuits. It is based on the CodeSimulink co-design environment, a tool developed at Politecnico di Torino able to convert Simulink diagrams into synchronous implementations. Such environment has been extended in two different ways in order to integrate it with conventional FPGA and ASIC flows. The system generated with FPGAs as target is based on bundled-data implementation, which needs special care during both synthesis and placement in order to maintain circuit correctness. Simulink diagrams are compiled into standard VHDL and synthesized with conventional tools provided by chip manufacturers. The obtained code is constrained to avoid unwanted synthesis optimizations and constrained to implement the "equipotential region" necessary to synthesize correct self-timed designs. The ASIC implementation uses the Timeless Design Environment by Handshake Solutions, a commercial tool chain able to synthesize Haste specifications into asynchronous logic. Experimental test showed good results generating smaller circuits even than hand-written code.

Download or read book Designing Asynchronous Circuits using NULL Convention Logic NCL written by Scott Smith and published by Springer Nature. This book was released on 2022-06-01 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designing Asynchronous Circuits using NULL Convention Logic (NCL) begins with an introduction to asynchronous (clockless) logic in general, and then focuses on delay-insensitive asynchronous logic design using the NCL paradigm. The book details design of input-complete and observable dual-rail and quad-rail combinational circuits, and then discusses implementation of sequential circuits, which require datapath feedback. Next, throughput optimization techniques are presented, including pipelining, embedding registration, early completion, and NULL cycle reduction. Subsequently, low-power design techniques, such as wavefront steering and Multi-Threshold CMOS (MTCMOS) for NCL, are discussed. The book culminates with a comprehensive design example of an optimized Greatest Common Divisor circuit. Readers should have prior knowledge of basic logic design concepts, such as Boolean algebra and Karnaugh maps. After studying this book, readers should have a good understanding of the differences between asynchronous and synchronous circuits, and should be able to design arbitrary NCL circuits, optimized for area, throughput, and power. Table of Contents: Introduction to Asynchronous Logic / Overview of NULL Convention Logic (NCL) / Combinational NCL Circuit Design / Sequential NCL Circuit Design / NCL Throughput Optimization / Low-Power NCL Design / Comprehensive NCL Design Example