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Timothée Levi

CNRS Principal Investigator

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  • Laboratoire IMS, BioElectronic Group, UMR 5218 CNRS
    AS2N (Architecture of Silicon Neural Networks) Team
    351, cours de la Libération
  • TALENCE Cedex
  • 33405
  • France


  • This email address is being protected from spambots. You need JavaScript enabled to view it.
  • +33 (0)5 40 00 27 73

Miscellaneous Information

Timothée Lévi (Talence, 1981) received the master degree in Electronics at the Univ. of Bordeaux in 2004. He got his Electronics enginereering diploma at ENSEIRB-MATMECA (Ecole Nationale Supérieure d'Electronique, Informatique et Télécommunications, Mathématique et Mécanique de Bordeaux) in 2004. He received the Ph.D. degree in Electronics at Univ. of Bordeaux in 2007.

Research Experience

From October 15th 2009 to today: Associate professor at IMS lab., CNRS UMR5218, University of Bordeaux, France.

From October 15th 2008 to October 14th 2009: JSPS Post-doc fellow, Supervisor: T. Kohno, University of Tokyo, IIS, Tokyo, Japan "Silicon neural network circuits for smart-MEMS system"

From January 2nd 2008 to October 14th 2008: Post-doc fellow, Supervisors: R. Guillemaud, J.F. Bêche, CEA-LETI laboratory, Micro-technologies for Biology and Health department, Grenoble, France "Real-time embedded processing for spike sorting"

From October 1st 2004 to December 4th 2007: Doctoral fellow, Ph. D degree in Microelectronic at IMS Lab. (University of Bordeaux, France), Supervisors: Dr. Noëlle Lewis, Dr. Jean Tomas, Pr. Fouillat "Design flow improvement of AMS neuromorphic systems: Development of an IP-based library: application on neuromorphic engineering"

From October 1st 2004 to September 30th 2007: Assistant-professor at University of Bordeaux I for under and post-graduate level students (Electronics, Microprocessors, EDA tools- Cadence)

From February 2nd to 31 of July 31st 2004: Master thesis, Supervisors: Pr. S. Renaud, Dr. J. Tomas, Dr. S. Saighi, IMS laboratory "Design of Silicon neurons using a CMOS technology"

From June 21st to September 4th 2003: Training period in Electronic Vision(s) laboratory in the University of Heidelberg, Germany Supervisors: Pr. K.H. Mayer, Dr. J. Schemmel "VHDL design of DDR-SDRAM access" – This project is part of the SenseMaker European project (collaborative project in computer science, engineering, physics, psychology and neuroscience to design and implement electronic architectures that merge sensory information into a representation of the environment)

From June 21st to August 2nd 2002: Training period in NIBEC (bio-electronic company) in Belfast, Northern Ireland

Research Highlights

- Publications in International Journals: 7;  Book chapters: 2; Publications in International Conference: 20; Publications in National Conferences: 4; Invited Talks: 2; International Patent: 1.

 - Participation in research contracts

  • SENSEMAKER (EU-FP5, IST-2001-34712)
  • FACETS (FP6, 2004-IST-FETPI 15879).
  • NEUROCOM ANR (2006-2010).
  • BRAINBOW (FP7, FET Young Explorer, 2012-2015), Scientific leader, Principal Investigator

Research Interests

My research interests combine the engineering of neuromorphic systems and the reuse methodologies for analog VLSI design. My research in neuromorphic engineering aims at designing and using integrated circuits (IC) which components and architecture are neuro-mimetic (i.e. mimic biological neural systems). This research activity has been inter-disciplinary oriented. My case study for the reuse methodologies is the optimization of the design of silicon conductance-based neural networks on analog ASICs. I particularly focus on the definition and re-use of IP-AMS definition, supported by an IP-based library of analog and mixed circuits, and its exploration tool. The IP-based library, developed for that specific application domain, accelerates the design cycle for the next ASIC generation.

Teaching activity

From 2004 to 2007, Timothée Lévi taught lessons for the course of analog and digital electronic at University of Bordeaux (from the first year to master courses).

Since 2009, Timothée Lévi has been teaching lessons of analog and digital electronics and networks at IUT GEII of Université of Bordeaux.

Most significant publications since 2007

  1. T. Lévi, J. Tomas, N. Lewis, and P. Fouillat, "A CMOS Resizing Methodology for Analog Circuits," IEEE Design and Test of Computers, vol. 26, pp. 78-87, Jan/Feb 2009.
  2. T. Lévi, N. Lewis, S. Saïghi, J. Tomas, Y. Bornat, and S. Renaud, "Neuromimetic Integrated Circuits," in VLSI Circuits for Biomedical Applications, K. Iniewski, Ed. Boston: Artech House, 2008, pp. 241-264.
  3. J.F. Bêche, T. Lévi, G. Charvet, O. Billoin, L. Rousseau, J.P. Rostaing, C. Condemine, S. Bonnet, R. Escola, T. Kauffmann, B. Yvert, R. Guillemaud, "System architecture for Neural Electrical interface and processing", CMOS Nanoelectronics: Analog VLSI Circuits, Iniewski Editor, October 2011
  4. T. Lévi, J.F. Bêche, S. Bonnet, R. Escola, "Methods and Devices for processing pulse signals, and in particular Neural Action Potential Signals", European Patent Application EP2389103, filing date: December 12th 2008, publication date: November 2011
  5. S. Baccar, T. Lévi, D. Dallet, S. Qaisar, V. Shitikov, F. Barbara, "Modeling Methodology for Analog Front-End Circuits Dedicated to High-Temperature Instrumentation and Measurement Applications", IEEE Transactions on Instrumentation and Measurement, Vol. 60, pp. 1555-1564, May 2011
  6. F. Grassia, L. Buhry, T. Levi, J. Tomas, A. Destexhe, S. Saighi, "Tunable neuromimetic integrated system for emulating cortical neuron models", Frontiers in Neuromorphic Engineering, 5:134, December 2011
  7. T. Lévi, J.F. Bêche, S. Bonnet, R. Guillemaud, "IP-based toolbox for digital signal processing reuse: Application to Real-time Spike sorting", Design&Reuse Articles, July 8th 2009
  8. T. Lévi, N. Lewis, J. Tomas, P. Fouillat, "IP-based design for analogue ASICs: A case study", Design&Reuse Articles, May 7th 2007
  9. F. Grassia, T. Levi, S. Saighi, T. Kohno, "Bifurcation analysis in a silicon neuron", International Symposium on Artificial Life and Robotics, Beppu, Japan, January 2012
  10. T. Lévi, "Neuromorphic Engineering", Science Dialogue, JSPS Quarterly, Yokohama, Japan, August 18th 2009

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The BrainBow project acknowledges the financial support of the Future and Emerging Technologies (FET) programme within the Seventh Framework Programme for Research of the European Commission, under FET-Open grant number: FP7-284772.