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This paper describes and explores the design space of a four power-supply rail methodology (called Mixed Swing QuadRail) for performing low voltage logic in a high threshold voltage CMOS fabrication process. Power and delay trade-offs are studied to suggest approaches for efficient selection of voltage levels and buffer transistor sizes. Posynomial models(More)
A wide-ranging discussion of the evolution of pricing in early transportation industries, such as lighthouses, canals, and turnpikes, is presented. It shows that price discrimination was an important factor in the development of those industries, and tended to intensify with time. In order to make differential tariffs effective, service providers had the(More)
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