A symmetric CMOS NOR gate for high-speed applications

Johnson, M.

doi:10.1109/4.5949

Cited by 24 publications

(11 citation statements)

References 4 publications

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“…Despite the efforts had been made on the implementations of threshold logic gates, only a few commercial solutions had adopted the threshold logic implementations, such as MIPS R2010 [26], SUN Sparc V9 [32], and the Itanium 2 microprocessor [36]. In the comprehensive survey of threshold logic implementations around a decade ago [4], Beiu et al concluded that the reason why the competitive threshold logic gates are not widely used is due to the lack of synthesis tools.…”

Section: Introductionmentioning

confidence: 97%

Sensitization criterion for threshold logic circuits and its application

Tsai¹,

Wang²,

Huang³

et al. 2013

2013 IEEE/ACM International Conference on Computer-Aided Design (ICCAD)

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Threshold logic has been known as an alternative representation of Boolean logic due to its compactness characteristic. Recently, the developments in advanced nanotechnologies have also promised efficient implementations of threshold logic gates. Thus, many synthesis methodologies for threshold logic circuits have been proposed. Since threshold logic has a different mechanism in functional evaluation compared to the traditional Boolean logic, a threshold logic gate can represent a more complex function. As a result, the sensitization criterion in threshold logic circuits is also different. In this work, we propose a sensitization criterion for threshold logic circuits, and show its application to the static timing analysis problem. The experimental results show the accuracy of the proposed criterion.

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Section: Introductionmentioning

confidence: 97%

Sensitization criterion for threshold logic circuits and its application

Tsai¹,

Wang²,

Huang³

et al. 2013

2013 IEEE/ACM International Conference on Computer-Aided Design (ICCAD)

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“…Additionally with the last inverter the full voltage swing is achieved. The coupled inverters act as a symmetric CMOS ratioed NOR gate with a nonlinear characteristics [14], [15]. f+"…”

Section: Basic Threshold Elementsmentioning

confidence: 99%

Threshold-gates in arithmetic circuits

Burwick

Thomas²,

Dienstuhl³

et al.

ICECS 2001. 8th IEEE International Conference on Electronics, Circuits and Systems (Cat. No.01EX483)

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In this paper the design of digital CMOS threshold logic circuits for low power applications is investigated. Two different basic elements for threshold circuits are presented. These circuits are characterized with regard to power and speed. More complex functions, i.e. a 1-bit full adder and an 8-bit carry-lookahead adder are given. Moreover an approach for the determination of the WIL-ratios for the transistors with an evolutionary algorithm is discussed.

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“…Maniy differenit 'rLG circuits have been designled [10]. Unfortuniately, there are oilly a few TLG implemenitationis (or somne variationis) that lhave been used comniercially: MIPS R2010 [40], SUN Sparc V9 [49], [50], a MOS fingerprinit senisor [42], aindl receintly the Itaniumii 2 [64], [65], as well as ani IBM experimiiental clhip containinig a 64-bit multiplier stage [75]. The emnerginig devices-e.g., resoniant ttunniielinig, sinigle clectron, etc., whlichI couLld get ceitral stage positionls in the (near) future-are heavily beinig used for imp)lementing TLGs [27], [54].…”

Section: Introductionmentioning

confidence: 99%

“…The gate may have all inputs ofthe same weight or, with appropriately chosen values of transistor conduction channel impedance or parallel connected inverters, may have inputs ofdiffierent weight. The same solution-without the recovering inverterwas rediscovered 15 years later [40], and was used in the MIPS R2010 coprocessor. This seems to be the first commercial CMOS implementation ofa TLG.…”

Section: Introductionmentioning

confidence: 99%

Threshold logic implementations: the early days

Beiu

2003 46th Midwest Symposium on Circuits and Systems

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This paper gives a briefaccotunit of the r'esullts on1 hardwvare implementations of threshold logic obtainied starting from the forties. The solutions are sorted chronologically, by order oftheir puiblicationi date, although thle order ivould be somyiehowv differen1t by submission date. Reviewvig the many differenit soliltiois, ive wvill idenitify thiose thlat have been1 emidutring, aid mention a fewv that have beeni lontgforgotten, but rediscoveered afewv decades latem:

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A symmetric CMOS NOR gate for high-speed applications

Cited by 24 publications

References 4 publications

Sensitization criterion for threshold logic circuits and its application

Sensitization criterion for threshold logic circuits and its application

Threshold-gates in arithmetic circuits

Threshold logic implementations: the early days

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