Matching Properties of Deep Sub-Micron MOS Transistors examines this interesting phenomenon. Microscopic fluctuations cause stochastic parameter fluctuations that affect the accuracy of the MOSFET. For analog circuits this determines the trade-off between speed, power, accuracy and yield. Furthermore, due to the down-scaling of device dimensions, transistor mismatch has an increasing impact on digital circuits. The matching properties of MOSFETs are studied at several levels of abstraction: A simple and physics-based model is presented that accurately describes the mismatch in the drain current. The model is illustrated by dimensioning the unit current cell of a current-steering D/A converter. The most commonly used methods to extract the matching properties of a technology are bench-marked with respect to model accuracy, measurement accuracy and speed, and physical contents of the extracted parameters. The physical origins of microscopic fluctuations and how they affect MOSFET operation are investigated. This leads to a refinement of the generally applied 1/area law. In addition, the analysis of simple transistor models highlights the physical mechanisms that dominate the fluctuations in the drain current and transconductance. The impact of process parameters on the matching properties is discussed. The impact of gate line-edge roughness is investigated, which is considered to be one of the roadblocks to the further down-scaling of the MOS transistor. Matching Properties of Deep Sub-Micron MOS Transistors is aimed at device physicists, characterization engineers, technology designers, circuit designers, or anybody else interested in the stochastic properties of the MOSFET.
Daly is turning economics inside out by putting the earth and its diminishing natural resources at the center of the field . . . a kind of reverse Copernican revolution in economics." --Utne Reader "Considered by most to be the dean of ecological economics, Herman E. Daly elegantly topples many shibboleths in Beyond Growth. Daly challenges the conventional notion that growth is always good, and he bucks environmentalist orthodoxy, arguing that the current focus on 'sustainable development' is misguided and that the phrase itself has become meaningless." --Mother Jones "In Beyond Growth, . . . [Daly] derides the concept of 'sustainable growth' as an oxymoron. . . . Calling Mr. Daly 'an unsung hero,' Robert Goodland, the World Bank's top environmental adviser, says, 'He has been a voice crying in the wilderness.'" --G. Pascal Zachary, The Wall Street Journal "A new book by that most far-seeing and heretical of economists, Herman Daly. For 25 years now, Daly has been thinking through a new economics that accounts for the wealth of nature, the value of community and the necessity for morality." --Donella H. Meadows, Los Angeles Times "For clarity of vision and ecological wisdom Herman Daly has no peer among contemporary economists. . . . Beyond Growth is essential reading." --David W. Orr, Oberlin College "There is no more basic ethical question than the one Herman Daly is asking." --Hal Kahn, The San Jose Mercury News "Daly's critiques of economic orthodoxy . . . deliver a powerful and much-needed jolt to conventional thinking." --Karen Pennar, Business Week Named one of a hundred "visionaries who could change your life" by the Utne Reader,Herman Daly is the recipient of many awards, including a Grawemeyer Award, the Heineken Prize for environmental science, and the "Alternative Nobel Prize," the Right Livelihood Award. He is professor at the University of Maryland's School of Public Affairs, and coauthor with John Cobb, Jr., of For the Common Good.
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