Sub-threshold Design for Ultra Low-Power Systems

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Although energy dissipation has improved with each new technology node, because SoCs are integrating tens of million devices on-chip, the energy ex pended per operation has become a critical consideration in digital and ana log integrated circuits. The focus of this book is sub-threshold circuit design, which involves scaling voltages below the device thresholds. In this region, the energy per operation cair be reduced by an order of magnitude compared to conventional operation but at the cost of circuit performance. In many emerging applications such as self-powered RFID, wireless sensors networks, and portable devices (PDAs, medical monitoring, etc. ), the overall battery life time is the primary design metric. Sub-threshold design can also be applied to burst mode applications (e. g. , a cell-phone processor) where the process spends a significant amount of time in the standby mode. The supply voltage can be reduced to the deep sub-threshold region, dramatically saving power in logic and memory. Extremely low-power design was first explored in the 1970s for the design of applications such as wristwatch and calculator circuits. Dr. Eric Vittoz pioneered the design and modeling of weak-inversion circuits. In this book, Eric provides his perspective on the evolution of sub-threshold circuit design. Dr. Eric Vittoz and Dr. Christian Enz introduce key models necessary for the design and optimization of weak inversion circuits. Design using weak inversion has been widely adopted in analog circuits, and Eric introduces the key design considerations.

Includes a survery of the field of sub-threshold and low-voltage design An important chapter on optimizing energy dissipation is included Also included is an invited chapter on analog sub-threshold circuits Includes supplementary material: sn.pub/extras

Inhalt
Origins of Weak Inversion (or Sub-threshold) Circuit Design.- Survey of Low-voltage Implementations.- Minimizing Energy Consumption.- EKV Model of the MOS Transistor.- Digital Logic.- Sub-threshold Memories.- Analog Circuits in Weak Inversion.- System Examples.

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Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09781441941381
    • Genre Elektrotechnik
    • Auflage Softcover reprint of hardcover 1st edition 2006
    • Sprache Englisch
    • Lesemotiv Verstehen
    • Anzahl Seiten 224
    • Größe H235mm x B155mm x T13mm
    • Jahr 2010
    • EAN 9781441941381
    • Format Kartonierter Einband
    • ISBN 144194138X
    • Veröffentlichung 23.11.2010
    • Titel Sub-threshold Design for Ultra Low-Power Systems
    • Autor Alice Wang , Anantha P. Chandrakasan , Benton Highsmith Calhoun
    • Untertitel Integrated Circuits and Systems
    • Gewicht 347g
    • Herausgeber Springer US

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