Adiabatic Logic: Future Trend And System Level Perspective

November 29, 2013|
Adiabatic Logic: Future Trend And System Level Perspective by Philip Teichmann
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Adiabatic logic is a potential successor for static CMOS circuit design when it comes to ultra-low-power energy consumption. Future development like the evolutionary shrinking of the minimum feature size as well as revolutionary novel transistor concepts will change the gate level savings gained by adiabatic logic. In addition, the impact of worsening degradation effects has to be considered in the design of adiabatic circuits. The impact of the technology trends on the figures of merit of adiabatic logic, energy saving potential and optimum operating frequency, are investigated, as well as degradation related issues. Adiabatic logic benefits from future devices, is not susceptible to Hot Carrier Injection, and shows less impact of Bias Temperature Instability than static CMOS circuits. Major interest also lies on the efficient generation of the applied power-clock signal. This oscillating power supply can be used to save energy in short idle times by disconnecting circuits. An efficient way to generate the power-clock is by means of the synchronous 2N2P LC oscillator, which is also robust with respect to pattern-induced capacitive variations. An easy to implement but powerful power-clock gating supplement is proposed by gating the synchronization signals. Diverse implementations to shut down the system are presented and rated for their applicability and other aspects like energy reduction capability and data retention. Advantageous usage of adiabatic logic requires compact and efficient arithmetic structures. A broad variety of adder structures and a Coordinate Rotation Digital Computer are compared and rated according to energy consumption and area usage, and the resulting energy saving potential against static CMOS proves the ultra-low-power capability of adiabatic logic. In the end, a new circuit topology has to compete with static CMOS also in productivity. On a 130nm test chip, a large scale test vehicle containing an FIR filter was implemented in adiabatic logic, utilizing a standard, library-based design flow, fabricated, measured and compared to simulations of a static CMOS counterpart, with measured saving factors compliant to the values gained by simulation. This leads to the conclusion that adiabatic logic is ready for productive design due to compatibility not only to CMOS technology, but also to electronic design automation (EDA) tools developed for static CMOS system design.

1 Introduction. 1.1 Motivation for this work. 1.2 A brief history of reversible computation and Adiabatic Logic.2 Fundamentals of Adiabatic Logic. 2.1 Charging process in AL compared to static CMOS. 2.2 An adiabatic system. 2.3 Loss mechanisms in Adiabatic Logic. 2.4 Voltage scaling ­ A comparison of static CMOS and AL. 2.5 Properties ...
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Title:Adiabatic Logic: Future Trend And System Level PerspectiveFormat:PaperbackProduct dimensions:166 pages, 23.5 X 15.5 X 1.73 inShipping dimensions:166 pages, 23.5 X 15.5 X 1.73 inPublished:November 29, 2013Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:9400737270

ISBN - 13:9789400737273

Appropriate for ages: All ages

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