Publication

Energy Efficiency Comparison of Asynchronous and Synchronous Circuits Operating in the Sub-Threshold Regime

Related publications (86)

A Current Sensing Completion Detection Method for Asynchronous Pipelines Operating In the Sub-threshold Regime

Digital circuits operating in the sub-threshold regime are able to perform minimum energy operation at a given delay. In the sub-threshold regime the circuit delay, and hence, the leakage energy consumption depend on the supply voltage exponentially. By re ...

2009

Energy efficiency enhancement of sub-threshold digital CMOS

Omer Can Akgun

Power density and energy dissipation of digital IC's has become one of the main concerns during the recent years. With the increased usage of battery powered devices, ubiquitous computing, and increase in implantable biomedical applications, enhancing ener ...

EPFL2009

Weak Inversion for Ultra Low-Power and Very Low-Voltage Circuits

Eric Vittoz

This paper discusses techniques, limitations and possible future developments of circuits based on transistors operated in the weak inversion (w.i.) mode, also called subthreshold mode. In analog circuits, w.i. is reached at very low current, but it is als ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Improving the power-delay performance in subthreshold source-coupled logic circuits

Seyed Armin Tajalli, Yusuf Leblebici

Subthreshold source-coupled logic (STSCL) circuits can be used in design of low-voltage and ultra-low power digital systems. This article introduces and analyzes new techniques for implementing complex digital systems using STSCL gates with an improved pow ...

Springer2009

Improving the Power-Delay Performance in Subthreshold Source-Coupled Logic Circuits

Seyed Armin Tajalli, Yusuf Leblebici

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2009

Improving Power-Delay Performance of Ultra Low-Power Subthreshold SCL Circuits

Seyed Armin Tajalli, Yusuf Leblebici

This article presents a technique for improving the power-delay performance of subthreshold source-coupled logic (SCL) circuits. A source follower buffer stage is used at the output of each SCL stage. Analytical results confirmed by measurements in 0.18um ...

2009

Subthreshold Source-Coupled Logic Circuits for Ultra Low Power Applications

Seyed Armin Tajalli, Eric Vittoz, Yusuf Leblebici

This article presents a novel approach for implementing ultra-low power digital components and systems using source-coupled logic (SCL) circuit topology, operating in weak inversion (sub-threshold) regime. PMOS transistors with shorted drain-substrate cont ...

2008

Asynchronous front-end asic for x-ray medical imaging applications implemented in CMOS 0.18μm technology

Rafal Tomasz Dlugosz

An idea as well as a CMOS implementation of the novel multi-channel readout front-end ASIC for nuclear X-ray imaging system has been presented in the paper. The circuit has been designed in an example configuration with eight equal channels, but the modula ...

2008

Pico-Watt Source-Coupled Logic Circuits

Seyed Armin Tajalli, Yusuf Leblebici

This article explores the main tradeoffs in design of subthreshold source-couple logic (STSCL) circuits. It is shown analytically that the bias current of each STSCL gate can be reduced to few pico-amperes with a reliable logic operation. Measurements on d ...

2008

Improving the Power-Delay Product in SCL Circuits Using Source Follower Output Stage

Seyed Armin Tajalli, Yusuf Leblebici

This article explores the effect of using source follower buffers (SFB) at the output of source coupled logic (SCL) circuits. This technique can help to improve the power-delay product (PDP) in an SCL gate by a factor close to two. The proposed approach ha ...

IEEE2008

Graph Chatbot

Chat with Graph Search

Ask any question about EPFL courses, lectures, exercises, research, news, etc. or try the example questions below.

DISCLAIMER: The Graph Chatbot is not programmed to provide explicit or categorical answers to your questions. Rather, it transforms your questions into API requests that are distributed across the various IT services officially administered by EPFL. Its purpose is solely to collect and recommend relevant references to content that you can explore to help you answer your questions.