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Author: Liang Zhou Publisher: ISBN: 9781267310583 Category : Asynchronous circuits Languages : en Pages : 122
Book Description
This dissertation proposes an ultra-low power design methodology called bit-wise MTNCL for bit-wise pipelined asynchronous circuits, which combines multi-threshold CMOS (MTCMOS) with bit-wise pipelined NULL Convention Logic (NCL) systems. It provides the leakage power advantages of an all high-Vt implementation with a reasonable speed penalty compared to the all low-Vt implementation, and has negligible area overhead. It was enhanced to handle indeterminate standby states. The original MTNCL concept was enhanced significantly by sleeping Registers and Completion Logic as well as Combinational circuits to reduce area, leakage power, and energy per operation. This dissertation also develops an architecture that allows NCL circuits to recover from a Single Event Upset (SEU) or Single Event Latchup (SEL) fault without any data loss. Finally, an accurate throughput derivation formula for pipelined NCL circuits was developed, which can be used for static timing analysis.
Author: Liang Zhou Publisher: ISBN: 9781267310583 Category : Asynchronous circuits Languages : en Pages : 122
Book Description
This dissertation proposes an ultra-low power design methodology called bit-wise MTNCL for bit-wise pipelined asynchronous circuits, which combines multi-threshold CMOS (MTCMOS) with bit-wise pipelined NULL Convention Logic (NCL) systems. It provides the leakage power advantages of an all high-Vt implementation with a reasonable speed penalty compared to the all low-Vt implementation, and has negligible area overhead. It was enhanced to handle indeterminate standby states. The original MTNCL concept was enhanced significantly by sleeping Registers and Completion Logic as well as Combinational circuits to reduce area, leakage power, and energy per operation. This dissertation also develops an architecture that allows NCL circuits to recover from a Single Event Upset (SEU) or Single Event Latchup (SEL) fault without any data loss. Finally, an accurate throughput derivation formula for pipelined NCL circuits was developed, which can be used for static timing analysis.
Author: Scott Smith Publisher: Springer Nature ISBN: 3031798007 Category : Technology & Engineering Languages : en Pages : 86
Book Description
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
Author: Graham Birtwistle Publisher: Springer Science & Business Media ISBN: 144713575X Category : Mathematics Languages : en Pages : 272
Book Description
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.
Author: Jens Sparsø Publisher: Springer Science & Business Media ISBN: 1475733852 Category : Technology & Engineering Languages : en Pages : 348
Book Description
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.
Author: Chris J. Myers Publisher: John Wiley & Sons ISBN: 0471464120 Category : Technology & Engineering Languages : en Pages : 424
Book Description
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.
Author: Janusz A. Brzozowski Publisher: Springer Science & Business Media ISBN: 146124210X Category : Technology & Engineering Languages : en Pages : 408
Book Description
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.
Author: IEEE Staff Publisher: ISBN: 9781538627501 Category : Languages : en Pages :
Book Description
The scope ranges from design, synthesis, and test, to asynchronous applications in system level integration and emerging computing technologies Topics of interest include Mixed timed circuits, GALS systems, Networks on Chip, and multi chip interconnects Elastic and latency tolerant synchronous design Asynchronous pipelines, architectures, CPUs, and memories Asynchronous ultra low power systems, energy harvesting, and mixed signal analogue Asynchronous logic in power constrained applications Asynchronous techniques for 3D integration Asynchrony in emerging technologies, including bio, neural, nano, neuromophic, and quantum computing CAD tools for asynchronous design, synthesis, analysis, and optimization Formal methods for verification and performance power analysis Test, security, and fault tolerance Asynchronous variability tolerant, resilient, and or rad hard design and design for manufacturing Case studies
Author: Liang Zhou
Author: Liang Zhou
Author: Scott Smith
Author: Graham Birtwistle
Author: Jens Sparsø
Author: Chris J. Myers
Author: Tai-Hua Chen
Author: John K. McIver
Author: Janusz A. Brzozowski
Author: IEEE Staff
Author: ETCMOS