Direct Transistor Level Layout For Digital Blocks
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Direct Transistor Level Layout For Digital Blocks
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Author : Prakash Gopalakrishnan
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-16
Direct Transistor Level Layout For Digital Blocks written by Prakash Gopalakrishnan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-16 with Technology & Engineering categories.
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.
Direct Transistor Level Layout For Digital Blocks
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Author : Prakash Gopalakrishnan
language : en
Publisher:
Release Date : 2004-05-01
Direct Transistor Level Layout For Digital Blocks written by Prakash Gopalakrishnan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-05-01 with Science categories.
Mixed Signal Methodology Guide
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Author : Jess Chen
language : en
Publisher: Lulu.com
Release Date : 2012
Mixed Signal Methodology Guide written by Jess Chen and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Technology & Engineering categories.
This book, the Mixed-signal Methodology Guide: Advanced Methodology for AMS IP and SoC Design, Verification, and Implementation provides a broad overview of the design, verification and implementation methodologies required for today's mixed-signal designs. The book covers mixed-signal design trends and challenges, abstraction of analog using behavioral models, assertion-based metric-driven verification methodology applied on analog and mixed-signal and verification of low power intent in mixed-signal design. It also describes methodology for physical implementation in context of concurrent mixed-signal design and for handling advanced node physical effects. The book contains many practical examples of models and techniques. The authors believe it should serve as a reference to many analog, digital and mixed-signal designers, verification, physical implementation engineers and managers in their pursuit of information for a better methodology required to address the challenges of modern mixed-signal design.
Transistor Level Micro Placement And Routing For Two Dimensional Digital Vlsi Cell Synthesis
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Author : Michael Anthony Riepe
language : en
Publisher:
Release Date : 1999
Transistor Level Micro Placement And Routing For Two Dimensional Digital Vlsi Cell Synthesis written by Michael Anthony Riepe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Digital electronics categories.
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.
Model Based Design For Embedded Systems
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Author : Gabriela Nicolescu
language : en
Publisher: CRC Press
Release Date : 2018-09-03
Model Based Design For Embedded Systems written by Gabriela Nicolescu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-03 with Computers categories.
The demands of increasingly complex embedded systems and associated performance computations have resulted in the development of heterogeneous computing architectures that often integrate several types of processors, analog and digital electronic components, and mechanical and optical components—all on a single chip. As a result, now the most prominent challenge for the design automation community is to efficiently plan for such heterogeneity and to fully exploit its capabilities. A compilation of work from internationally renowned authors, Model-Based Design for Embedded Systems elaborates on related practices and addresses the main facets of heterogeneous model-based design for embedded systems, including the current state of the art, important challenges, and the latest trends. Focusing on computational models as the core design artifact, this book presents the cutting-edge results that have helped establish model-based design and continue to expand its parameters. The book is organized into three sections: Real-Time and Performance Analysis in Heterogeneous Embedded Systems, Design Tools and Methodology for Multiprocessor System-on-Chip, and Design Tools and Methodology for Multidomain Embedded Systems. The respective contributors share their considerable expertise on the automation of design refinement and how to relate properties throughout this refinement while enabling analytic and synthetic qualities. They focus on multi-core methodological issues, real-time analysis, and modeling and validation, taking into account how optical, electronic, and mechanical components often interface. Model-based design is emerging as a solution to bridge the gap between the availability of computational capabilities and our inability to make full use of them yet. This approach enables teams to start the design process using a high-level model that is gradually refined through abstraction levels to ultimately yield a prototype. When executed well, model-based design encourages enhanced performance and quicker time to market for a product. Illustrating a broad and diverse spectrum of applications such as in the automotive aerospace, health care, consumer electronics, this volume provides designers with practical, readily adaptable modeling solutions for their own practice.
Verilog For Digital Design And Simulation
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-09
Verilog For Digital Design And Simulation written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-09 with Computers categories.
"Verilog for Digital Design and Simulation" "Verilog for Digital Design and Simulation" is an authoritative and comprehensive guide crafted for engineers, students, and professionals seeking mastery in digital system design using Verilog HDL. Spanning from fundamental language constructs to advanced design methodologies, the book elucidates Verilog’s syntax, hierarchical modeling, combinational and sequential circuit design, and the intricacies of timing, simulation, and synthesis. Each chapter is meticulously structured, introducing not only essential concepts such as data types, modules, and event semantics, but also delving into the nuances of parameterization, race condition mitigation, and scalable hardware description techniques. Beyond foundational theory, the book excels in bridging the gap to practical design verification and implementation. Readers are guided through modern testbench construction, comprehensive verification methodologies including UVM and SystemVerilog integration, and critical simulation-centric debugging practices. The text emphasizes robust code practices, resource and power optimization strategies, formal equivalence checking, and mixed-language co-simulation—all with direct application to real-world industrial flows. Special attention is devoted to interface design, bus and memory protocols, and the implementation of system-level emulation and FPGA prototyping. The concluding sections explore the evolving HDL ecosystem, highlighting open-source tools, high-level synthesis, security, and best practices for large-scale projects. By synthesizing up-to-date research insights and offering future-facing perspectives, "Verilog for Digital Design and Simulation" establishes itself as an indispensable reference for both seasoned hardware developers and newcomers aspiring to excel in the dynamic field of digital design and simulation.
Modeling And Simulation For Rf System Design
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Author : Ronny Frevert
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-06-28
Modeling And Simulation For Rf System Design written by Ronny Frevert and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-06-28 with Technology & Engineering categories.
Modern telecommunication systems are highly complex from an algorithmic point of view. The complexity continues to increase due to advanced modulation schemes, multiple protocols and standards, as well as additional functionality such as personal organizers or navigation aids. To have short and reliable design cycles, efficient verification methods and tools are necessary. Modeling and simulation need to accompany the design steps from the specification to the overall system verification in order to bridge the gaps between system specification, system simulation, and circuit level simulation. Very high carrier frequencies together with long observation periods result in extremely large computation times and requires, therefore, specialized modeling methods and simulation tools on all design levels. The focus of Modeling and Simulation for RF System Design lies on RF specific modeling and simulation methods and the consideration of system and circuit level descriptions. It contains application-oriented training material for RF designers which combines the presentation of a mixed-signal design flow, an introduction into the powerful standardized hardware description languages VHDL-AMS and Verilog-A, and the application of commercially available simulators. Modeling and Simulation for RF System Design is addressed to graduate students and industrial professionals who are engaged in communication system design and want to gain insight into the system structure by own simulation experiences. The authors are experts in design, modeling and simulation of communication systems engaged at the Nokia Research Center (Bochum, Germany) and the Fraunhofer Institute for Integrated Circuits, Branch Lab Design Automation (Dresden, Germany).
Computer Aided Design Of Analog Integrated Circuits And Systems
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Author : Rob A. Rutenbar
language : en
Publisher: John Wiley & Sons
Release Date : 2002-05-06
Computer Aided Design Of Analog Integrated Circuits And Systems written by Rob A. Rutenbar and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-05-06 with Technology & Engineering categories.
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.
High Speed Digital Design
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Author : Hanqiao Zhang
language : en
Publisher: Elsevier
Release Date : 2015-08-17
High Speed Digital Design written by Hanqiao Zhang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-17 with Technology & Engineering categories.
High Speed Digital Design discusses the major factors to consider in designing a high speed digital system and how design concepts affect the functionality of the system as a whole. It will help you understand why signals act so differently on a high speed digital system, identify the various problems that may occur in the design, and research solutions to minimize their impact and address their root causes. The authors offer a strong foundation that will help you get high speed digital system designs right the first time. Taking a systems design approach, High Speed Digital Design offers a progression from fundamental to advanced concepts, starting with transmission line theory, covering core concepts as well as recent developments. It then covers the challenges of signal and power integrity, offers guidelines for channel modeling, and optimizing link circuits. Tying together concepts presented throughout the book, the authors present Intel processors and chipsets as real-world design examples. - Provides knowledge and guidance in the design of high speed digital circuits - Explores the latest developments in system design - Covers everything that encompasses a successful printed circuit board (PCB) product - Offers insight from Intel insiders about real-world high speed digital design
Top Down Digital Vlsi Design
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Author : Hubert Kaeslin
language : en
Publisher: Morgan Kaufmann
Release Date : 2014-12-07
Top Down Digital Vlsi Design written by Hubert Kaeslin and has been published by Morgan Kaufmann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-07 with Technology & Engineering categories.
Top-Down VLSI Design: From Architectures to Gate-Level Circuits and FPGAs represents a unique approach to learning digital design. Developed from more than 20 years teaching circuit design, Doctor Kaeslin's approach follows the natural VLSI design flow and makes circuit design accessible for professionals with a background in systems engineering or digital signal processing. It begins with hardware architecture and promotes a system-level view, first considering the type of intended application and letting that guide your design choices. Doctor Kaeslin presents modern considerations for handling circuit complexity, throughput, and energy efficiency while preserving functionality. The book focuses on application-specific integrated circuits (ASICs), which along with FPGAs are increasingly used to develop products with applications in telecommunications, IT security, biomedical, automotive, and computer vision industries. Topics include field-programmable logic, algorithms, verification, modeling hardware, synchronous clocking, and more. - Demonstrates a top-down approach to digital VLSI design. - Provides a systematic overview of architecture optimization techniques. - Features a chapter on field-programmable logic devices, their technologies and architectures. - Includes checklists, hints, and warnings for various design situations. - Emphasizes design flows that do not overlook important action items and which include alternative options when planning the development of microelectronic circuits.