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Yusuf Leblebici

Cette personne a quitté l’EPFL

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Publications associées (400)

Page 1 sur 20

Simultaneous self-sustained actuation and parallel readout with MEMS cantilever sensor array

Yusuf Leblebici

Parallel readout of a microcantilever array using single magnetic actuator and a single photo detector for concurrent detection is reported. The system includes MEMS cantilever array designed for different resonance frequencies, optical elements for laser ...

IEEE2012

A Retina-Inspired Robust On-Focal-Plane Multi-Band Edge-Detection Scheme for CMOS Image Sensors

Yusuf Leblebici, Alexandre Schmid, Nikola Katic

An edge-detection scheme suitable for machine vision and digital motion detection applications is presented. The scheme is inspired by the human visual system (human retina) and modified for a compact and scalable CMOS hardware implementation. In addition, ...

IEEE2014

Non-filamentary non-volatile memory elements as synapses in neuromorphic systems

Yusuf Leblebici, Severin Sidler, Alessandro Fumarola

Crossbar arrays of non-volatile memory (NVM) devices represent one possible path for implementing highly energy-efficient neuromorphic computing systems. For Deep Neural Networks (DNN), where information can be encoded as analog voltage and current levels, ...

IEEE2019

Energy Efficient Low-Noise Neural Recording Amplifier With Enhanced Noise Efficiency Factor

Yusuf Leblebici, Alexandre Schmid, Vahid Majidzadeh Bafar

This paper presents a neural recording amplifier array suitable for large-scale integration with multielectrode arrays in very low-power microelectronic cortical implants. The proposed amplifier is one of the most energy-efficient structures reported to da ...

2011

A 161-mW 56-Gb/s ADC-Based Discrete Multitone Wireline Receiver Data-Path in 14-nm FinFET

Yusuf Leblebici, Andreas Peter Burg, Alessandro Cevrero, Thomas Toifl, Lukas Kull, Ilter Ozkaya, Gain Kim, Cosimo Aprile

This article introduces a wireline receiver (RX) data-path employing discrete multi-tone (DMT) modulation for communicating over electrical links. The DMT RX incorporates a fully digital equalization data-path, with a synthesized and automatically placed a ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

A 16-channel 220 µW neural recording IC with embedded delta compression

Yusuf Leblebici, Alexandre Schmid, Vahid Majidzadeh Bafar

A 16-channel neural action potential recording IC suitable for large-scale integration with multi-electrode arrays (MEAs) is presented. A closed-loop gain of 60 dB in the action potential band is achieved by cascading differential gain-stages utilizing a n ...

2011

Optimization of the Averaging Reliability Technique using Low Redundancy Factors for Nanoscale Technologies

Yusuf Leblebici, Alexandre Schmid, Milos Stanisavljevic

This paper presents a method enabling the evaluation of the averaging fault-tolerant technique, using the output probability density functions (PDFs) of unreliable units which are acquired from Monte Carlo simulations. The method has been verified by compa ...

2009

Discrete Time Analysis of Phase Detector Timing Nonidealities in Type-I Sub-Sampling PLL

Yusuf Leblebici, Duygu Kostak

The analysis of the effect of sub-sampling phase detector (SSPD) timing nonidealities on Type-I sub-sampling phase-locked loop (SSPLL) is presented. The nonidealities considered are the delay between the complementary sampling clocks and the propagation de ...

IEEE2020

The key impact of incorporated Al2O3 barrier layer on W-based ReRAM switching performance

Yusuf Leblebici, Jury Sandrini, Elmira Shahrabi, Cecilia Giovinazzo

In this article, we inspected the bipolar resistive switching behavior of W-based ReRAMs, using HfO2 as switching layer. We have shown that the switching properties can be significantly enhanced by incorporating an Al2O3 layer as a barrier layer. It stabil ...

IEEE2018

Switching Kinetics Control of W-Based ReRAM Cells in Transient Operation by Interface Engineering

Yusuf Leblebici, Thomas La Grange, Mahmoud Hadad, Cecilia Giovinazzo

Tungsten (W) is one of the most promising materials to be used in resistive random-access memory electrodes due to its low work function and compatibility with semiconductors, which raises the possibility of device integration, scalability, and low power c ...

WILEY2019

Energy Dissipation Reduction of a Cardiac Event Detector in the Sub-Vt Domain By Architectural Folding

Yusuf Leblebici, Omer Can Akgun

This manuscript presents the digital hardware realization of a wavelet based event detector for cardiac pacemaker applications. The architecture of the detector is partially folded to minimize hardware cost. An energy model is applied to evaluate the energ ...

2009

A comparative experimental investigation on responsivity and response speed of photo-diode and photo-BJT structures integrated in a low-cost standard CMOS process

Yusuf Leblebici, Alexandre Schmid, Nikola Katic

A variety of smart imaging and neuromorphic applications perform time-domain image acquisition in order to imitate biological systems and reduce the growing transmission bandwidth of the modern imaging devices. Because they operate in time-domain, they req ...

Elsevier2015

Top-Down Fabrication of Gate-All-Around Vertically-Stacked Silicon Nanowire FETs with Controllable Polarity

Giovanni De Micheli, Yusuf Leblebici, Pierre-Emmanuel Julien Marc Gaillardon, Davide Sacchetto, Jian Zhang, Michele De Marchi

Asthe currentMOSFET scaling trend is facing strong limitations, technologies exploiting novel degrees of freedom at physical and architecture level are promising candidates to enable the continuation of Moore's predictions. In this paper, we report on the ...

Institute of Electrical and Electronics Engineers2014

Subthreshold Leakage Reduction: A Comparative Study of SCL and CMOS Design

Yusuf Leblebici, Seyed Armin Tajalli

The large subthreshold leakage current of static CMOS logic circuits designed in modern nanometer-scale technologies is one of the main barriers for implementing ultra-low power digital systems. Subthreshold source-coupled logic (STSCL) circuits are based ...

IEEE2009

3D Architecture and Replaceable Layers for Label-Free DNA Biochips

Yusuf Leblebici, Sandro Carrara, Andrea Cavallini, Yüksel Temiz

Recent advances in bio-sensing technologies have led to design of bio-sensor arrays for rapid identification and quantification of various biological agents such as drugs, gene expressions, proteins, cholesterol, fats, etc. Various dedicated sensing arrays ...

2009

Variability-Aware Design of Multilevel Logic Decoders for Nanoscale Crossbar Memories

Giovanni De Micheli, Mihai Adrian Ionescu, Yusuf Leblebici, David Atienza Alonso, Didier Bouvet, Kirsten Emilie Moselund, Mohamed Haykel Ben Jamaa

The fabrication of crossbar memories with sublithographic features is expected to be feasible within several emerging technologies; in all of them, the nanowire (NW) decoder is a critical part since it bridges the sublithographic wires to the outer circuit ...

2008

Impact Ionization and Carrier Multiplication in Graphene

Luca Pirro, Yusuf Leblebici

We develop a model for carrier generation by impact ionization in graphene, which shows that this effect is non-negligible because of the vanishing energy gap, even for carrier transport in moderate electric fields. Our theory is applied to graphene field ...

American Institute of Physics2012

Parallel Implementation Technique of Digital Equalizer for Ultra-High-Speed Wireline Receiver

Yusuf Leblebici, Alessandro Cevrero, Thomas Toifl, Lukas Kull, Ilter Ozkaya, Gain Kim, Cosimo Aprile

This paper presents a parallel implementation technique of digital equalizer for high-speed wireline serial link receiver (RX). In wireline RX, inter-symbol interference (ISI) is mitigated by continuous-time linear equalizer, and the remaining ISI is cance ...

2018

Reconfigurable Forward Homography Estimation System for Real-Time Applications

Yusuf Leblebici, Vladan Popovic

Image processing and computer vision algorithms extensively use projections, such as homography, as one of the processing steps. Systems for homography calculation usually observe homography as an inverse problem and provide an exact solution. However, the ...

2014

Real-time high-sensitivity impedance measurement interface for tethered BLM biosensor arrays

Giovanni De Micheli, Yusuf Leblebici, Horst Arthur Vogel, Luca Benini, Carlotta Guiducci, Yüksel Temiz, Samuel Terrettaz

This paper presents a switched-capacitor (SC) current integrator circuit for impedance measurement of tethered bilayer lipid membrane (tBLM) biosensors. The circuit comprises a small number of high performance components enabling enhanced experimental flex ...

2008