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Design of Variation-tolerant Circuits for Nanometer CMOS Technology

2008
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Release : 2008
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Book Synopsis Design of Variation-tolerant Circuits for Nanometer CMOS Technology by : Mohamed Hassan Abu-Rahma

Download or read book Design of Variation-tolerant Circuits for Nanometer CMOS Technology written by Mohamed Hassan Abu-Rahma. This book was released on 2008. Available in PDF, EPUB and Kindle. Book excerpt: Aggressive scaling of CMOS technology in sub-90nm nodes has created huge challenges. Variations due to fundamental physical limits, such as random dopants fluctuation (RDF) and line edge roughness (LER) are increasing significantly with technology scaling. In addition, manufacturing tolerances in process technology are not scaling at the same pace as transistor's channel length due to process control limitations (e.g., sub-wavelength lithography). Therefore, within-die process variations worsen with successive technology generations. These variations have a strong impact on the maximum clock frequency and leakage power for any digital circuit, and can also result in functional yield losses in variation-sensitive digital circuits (such as SRAM). Moreover, in nanometer technologies, digital circuits show an increased sensitivity to process variations due to low-voltage operation requirements, which are aggravated by the strong demand for lower power consumption and cost while achieving higher performance and density. It is therefore not surprising that the International Technology Roadmap for Semiconductors (ITRS) lists variability as one of the most challenging obstacles for IC design in nanometer regime. To facilitate variation-tolerant design, we study the impact of random variations on the delay variability of a logic gate and derive simple and scalable statistical models to evaluate delay variations in the presence of within-die variations. This work provides new design insight and highlights the importance of accounting for the effect of input slew on delay variations, especially at lower supply voltages.

Low-Power Variation-Tolerant Design in Nanometer Silicon

2010-11-10 Technology & Engineering
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Release : 2010-11-10
Genre : Technology & Engineering
Kind : eBook
Book Rating : 180/5 ( reviews)

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Book Synopsis Low-Power Variation-Tolerant Design in Nanometer Silicon by : Swarup Bhunia

Download or read book Low-Power Variation-Tolerant Design in Nanometer Silicon written by Swarup Bhunia. This book was released on 2010-11-10. Available in PDF, EPUB and Kindle. Book excerpt: Design considerations for low-power operations and robustness with respect to variations typically impose contradictory requirements. Low-power design techniques such as voltage scaling, dual-threshold assignment and gate sizing can have large negative impact on parametric yield under process variations. This book focuses on circuit/architectural design techniques for achieving low power operation under parameter variations. We consider both logic and memory design aspects and cover modeling and analysis, as well as design methodology to achieve simultaneously low power and variation tolerance, while minimizing design overhead. This book will discuss current industrial practices and emerging challenges at future technology nodes.

Nanometer Variation-Tolerant SRAM

2012-09-27 Technology & Engineering
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Release : 2012-09-27
Genre : Technology & Engineering
Kind : eBook
Book Rating : 481/5 ( reviews)

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Book Synopsis Nanometer Variation-Tolerant SRAM by : Mohamed Abu Rahma

Download or read book Nanometer Variation-Tolerant SRAM written by Mohamed Abu Rahma. This book was released on 2012-09-27. Available in PDF, EPUB and Kindle. Book excerpt: Variability is one of the most challenging obstacles for IC design in the nanometer regime. In nanometer technologies, SRAM show an increased sensitivity to process variations due to low-voltage operation requirements, which are aggravated by the strong demand for lower power consumption and cost, while achieving higher performance and density. With the drastic increase in memory densities, lower supply voltages, and higher variations, statistical simulation methodologies become imperative to estimate memory yield and optimize performance and power. This book is an invaluable reference on robust SRAM circuits and statistical design methodologies for researchers and practicing engineers in the field of memory design. It combines state of the art circuit techniques and statistical methodologies to optimize SRAM performance and yield in nanometer technologies. Provides comprehensive review of state-of-the-art, variation-tolerant SRAM circuit techniques; Discusses Impact of device related process variations and how they affect circuit and system performance, from a design point of view; Helps designers optimize memory yield, with practical statistical design methodologies and yield estimation techniques.

Low-Power Variation-Tolerant Design in Nanometer Silicon

2011-03-30
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Release : 2011-03-30
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Kind : eBook
Book Rating : 198/5 ( reviews)

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Book Synopsis Low-Power Variation-Tolerant Design in Nanometer Silicon by : Swarup Bhunia

Download or read book Low-Power Variation-Tolerant Design in Nanometer Silicon written by Swarup Bhunia. This book was released on 2011-03-30. Available in PDF, EPUB and Kindle. Book excerpt:

Optoelectronic Circuits in Nanometer CMOS Technology

2016-03-04 Technology & Engineering
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Release : 2016-03-04
Genre : Technology & Engineering
Kind : eBook
Book Rating : 388/5 ( reviews)

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Book Synopsis Optoelectronic Circuits in Nanometer CMOS Technology by : Mohamed Atef

Download or read book Optoelectronic Circuits in Nanometer CMOS Technology written by Mohamed Atef. This book was released on 2016-03-04. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the newest implementations of integrated photodiodes fabricated in nanometer standard CMOS technologies. It also includes the required fundamentals, the state-of-the-art, and the design of high-performance laser drivers, transimpedance amplifiers, equalizers, and limiting amplifiers fabricated in nanometer CMOS technologies. This book shows the newest results for the performance of integrated optical receivers, laser drivers, modulator drivers and optical sensors in nanometer standard CMOS technologies. Nanometer CMOS technologies rapidly advanced, enabling the implementation of integrated optical receivers for high data rates of several Giga-bits per second and of high-pixel count optical imagers and sensors. In particular, low cost silicon CMOS optoelectronic integrated circuits became very attractive because they can be extensively applied to short-distance optical communications, such as local area network, chip-to-chip and board-to-board interconnects as well as to imaging and medical sensors.

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