Concept

Circuit asynchrone

Publications associées (159)

Novel front-end circuit architectures for integrated bio-electronic interfaces

Alexandre Schmid, Carlotta Guiducci, Yusuf Leblebici

The prospective use of upcoming nanometer CMOS technology nodes (65nm, 45nm, and beyond) in bio-electronic interfaces is raising a number of important issues concerning circuit architectures and design. In particular, the advantages of scaling and higher d ...

2008

CMOS programmable asynchronous neighborhood mechanism for WTM kohonen neural network

Rafal Tomasz Dlugosz

A new programmable neighborhood mechanism for the Winner Takes Most (WTM) self-organizing Kohonen map has been proposed in this paper. Described circuit is an asynchronous solution, which does not require the controlling clock generator. The winning neuron ...

2008

A Subthreshold SCL Based Pipelined Encoder for Ultra-Low Power 8-bit Folding/Interpolating ADC

Seyed Armin Tajalli, Yusuf Leblebici, Mohammad Beikahmadi

The subthreshold MOS source-coupled logic (STSCL) technique is of great interest for designing ultra low power circuits. In this paper we discuss the design of a pipelined encoder for an 8-bit folding and interpolating (F&I) analog-to-digital (ADC) data co ...

NORCHIP2008

Synchronous and Asynchronous Multiplexer Circuits for Medical Imaging Realized in CMOS 0.18um Technology

Rafal Tomasz Dlugosz

Multiplexers are one of the most important elements in readout front-end ASICs for multi-element detectors in medical imaging. The purpose of these ASICs is to detect signals appearing randomly in many channels and to collect the detected data in an ordere ...

2007

Design of Completion Detection Circuits for Self-timed Systems Operating in Subthreshold Regime

Eric Vittoz, Yusuf Leblebici, Omer Can Akgun

In this paper implementation of a novel completion detection method for self-timed, asynchronous subthreshold circuits is presented. By employing the self-timed operation principle, substantial speed gains in the operation of the asynchronous pipelines can ...

2007

Current Sensing Completion Detection for Subthreshold Asynchronous Circuits

Eric Vittoz, Yusuf Leblebici, Omer Can Akgun

In this paper a novel completion detection method for self-timed, asynchronous subthreshold circuits is presented. By employing the self-timed operation principle, substantial speed gains in the operation of the asynchronous pipelines can be realized. The ...

2007

Flexible Ultra Low Power Successive Approximation Analog-to-Digital Converter with Asynchronous Clock Generator

Rafal Tomasz Dlugosz

An ultra low power 8-bit current-mode successive approximation (SAR) analog-to-digital (ADC) converter for Wireless Sensor Network (WSN) applications is presented. The proposed ADC contains a new asynchronous clock generator, which works only during data p ...

2007

Automatic synthesis of compressor trees: Reevaluating large counters

Paolo Ienne, Ajay Kumar Verma

Despite the progress of the last decades in electronic design automation, arithmetic circuits have always received way less attention than other classes of digital circuits. Logic synthesisers, which play a fundamental role in design today, play a minor ro ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2007

Breaking the Power-Delay Tradeoff: Design of Low-Power High-Speed MOS Current-Mode Logic Circuits Operating with Reduced Supply Voltage

Yusuf Leblebici, Stéphane Badel

In this paper, we study the operation of MOS current-mode logic (MCML) gates at lower-than-nominal supply voltages.We show that power can be traded for speed by reducing the supply voltage below the nominal value, while the power-delay product stays nearly ...

2007

A new interconnect-centric design methodology for high-speed standard cells with crosstalk immunity

Ilhan Hatirnaz

One of the biggest challenges that are facing the Very Large Scale Integrated Circuits (VLSI) technologies today is the significant performance gap (3× to 9×) between full custom circuits and Application Specific Integrated Circuits (ASICs) designed in the ...

EPFL2006

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