Publications de Stéphane Badel

Power-gated MOS current mode logic (PG-MCML): a power aware DPA-resistant standard cell library

Paolo Ienne, Yusuf Leblebici, Stéphane Badel, Francesco Regazzoni

MOS Current Mode Logic (MCML) is one of the most promising logic style to counteract power analysis attacks. Unfortunately, the static power consumption of MCML standard cells is significantly higher compared to equivalent functions implemented using stati ...

Acm Order Department, P O Box 64145, Baltimore, Md 21264 Usa2011

Optimization of the wire grid size for differential routing: Analysis and impact on the power-delay-area tradeoff

Yusuf Leblebici, Stéphane Badel

In this paper, the impact of the wire grid size on the power-delay-area trade off of VLSI digital circuits with differential routing is analyzed. To this aim, the differential MOS current-mode logic (MCML) is adopted as reference logic style, and a complet ...

Elsevier2010

ARMADILLO: A Multi-purpose Cryptographic Primitive Dedicated to Hardware

Stéphane Badel, Serge Vaudenay, Khaled Ouafi, Nilay Dagtekin, Pouyan Sepehrdad, Jorge Nakahara, Petr Susil

This paper describes and analyzes the security of a general-purpose cryptographic function design, with application in RFID tags and sensor networks. Based on these analyzes, we suggest minimum parameter values for the main components of this cryptographic ...

Springer2010

MOS current-mode logic standard cells for high-speed low-noise applications

Stéphane Badel

With the continuous shrinking of devices dimensions in microelectronic circuits, it is becoming extremely desirable to integrate analog circuitry together with complex digital logic blocks. The noise generated by the digital parts in a mixed-signal integra ...

EPFL2008

CMOS realization of two-dimensional mixed analog-digital Hamming distance discriminator circuits for real-time imaging applications

Alexandre Schmid, Yusuf Leblebici, Stéphane Badel

The architecture of an integrated Hamming artificial neural network, and its use as a versatile signal/image processing circuit is presented. The circuit operation relies oil the charge-based processing of sum-of-products terms, complemented with digital p ...

2008

A Generic Standard Cell Design Methodology for Differential Circuit Styles

Yusuf Leblebici, Stéphane Badel, Anna Peña Martinez, Paolo Vietti, Özgür Inaç, Erdem Güleyüpoglu

2008

Tri-State Buffer/Bus Driver Circuits in MOS Current-Mode Logic

Yusuf Leblebici, Stéphane Badel

In this paper, two circuits are proposed to implement tri-state buffers/bus drivers for MOS Current-Mode Logic digital circuits. The first is a switch-based, fully differential circuit, while the second is a voltage follower-based, pseudodifferential circu ...

IEEE2007

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

Early Wire Characterization for Predictable Network-on-Chip Global Interconnects

Yusuf Leblebici, Stéphane Badel, Ilhan Hatirnaz, Giovanni De Micheli, David Atienza Alonso, Srinivasan Murali

This work envisions a common design methodology, applicable for every interconnect level and based on early wire characterization, to provide a faster convergence to a feasible and robust design. We claim that such a novel design methodology is vital for u ...

ACM Press New York, NY, US2007

A Simulation-Based Methodology for Evaluating the DPA-Resistance of Cryptographic Functional Units with Application to CMOS and MCML Technologies

Paolo Ienne, Yusuf Leblebici, Stéphane Badel, Zeynep Toprak Deniz, Francesco Regazzoni

2007

Predictable System Interconnects Through an Accurate Early Wire Characterization

Yusuf Leblebici, Stéphane Badel, Ilhan Hatirnaz

2007

Via-Programmable Expanded Universal Logic Gate in MCML for Structured ASIC Applications: Circuit Design

Yusuf Leblebici, Stéphane Badel, Ilhan Hatirnaz

This paper presents a via-programmable expanded universal logic gate in MOS current-mode logic which can implement any 3-input Boolean function, and a significant subset of 4-input and 5-input functions. The universal logic gate is programmed with the firs ...

2006

Implementation of Structured ASIC Fabric Using Via-Programmable Differential MCML Cells

Yusuf Leblebici, Stéphane Badel, Ilhan Hatirnaz

This paper presents a regular layout fabric made of via-programmable MCML universal logic cells for structured ASIC applications and the associated design flow. The proposed structured ASIC fabric offers very high noise immunity due to the differential ope ...

2006

Via-Programmable Structured ASIC Fabric Based on MCML Cells: Design-Flow and Implementation

Yusuf Leblebici, Stéphane Badel

This paper presents a regular layout fabric made of via-programmable MCML universal logic cells for structured ASIC applications and the associated design flow. The proposed structured ASIC fabric offers high speed operation, very high noise immunity, as w ...

2006

Via-programmable Structured ASIC Fabric Based on MCML Cells (poster)

Yusuf Leblebici, Stéphane Badel, Ilhan Hatirnaz

2006

Semi-Automated Design of a MOS Current Mode Logic Standard Cell Library from Generic Components

Yusuf Leblebici, Stéphane Badel, Ilhan Hatirnaz

This paper describes the design and semi-automated generation of a MOS current-mode logic standard cell library. A set of generic components implementing a wide range of combinational and sequential functions is proposed. The layout of the generic componen ...

2005

Towards a Unified Top-Down Design Flow for Fully-Differential Logic Blocks with Improved Speed and Noise Immunity

Yusuf Leblebici, Stéphane Badel, Ilhan Hatirnaz

A new top-down design flow (RTL-to-GDSII) is proposed for achieving high-performance and noiseimmune designs consisting of differential logic blocks. The differential building blocks are based on the currentmode logic (CML), which offers true differentiali ...

2005