Bio-inspired 0.35μm CMOS time-to-digital converter with 29.3ps LSB

András Mozsáry, Jen Feng Chung, Angel Rodríguez-Vázquez, Tamás Roska

Research output: Conference contribution

1 Citation (Scopus)

Abstract

Time-to-Digital Converter (TDQ integrated circuit is introduced in this paper. It is based on chain of delay elements composing a regular scalable structure. The scheme is analogous to the sound direction sensitivity nerve system found in Barn Owl. The circuit occupies small silicon area, and its direct mapping from time to position-code makes conversion rates up to 500Msps possible. Specialty of the circuit is the structural and functional symmetry. Therefore the role of START and STOP signals are interchangeable. In other words negative delay is acceptable: The circuit has no dead time problems. These are benefits of the biology model of the auditory scene representation in the bird's brain. The prototype chip is implemented in 0.35μm CMOS having less than 30ps single-shot resolution in the measurements.

Original languageEnglish
Title of host publicationESSCIRC 2006 - Proceedings of the 32nd European Solid-State Circuits Conference
Pages170-173
Number of pages4
DOIs
Publication statusPublished - dec. 1 2006
EventESSCIRC 2006 - 32nd European Solid-State Circuits Conference - Montreux, Switzerland
Duration: szept. 19 2006szept. 21 2006

Publication series

NameESSCIRC 2006 - Proceedings of the 32nd European Solid-State Circuits Conference

Other

OtherESSCIRC 2006 - 32nd European Solid-State Circuits Conference
CountrySwitzerland
CityMontreux
Period9/19/069/21/06

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

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  • Cite this

    Mozsáry, A., Chung, J. F., Rodríguez-Vázquez, A., & Roska, T. (2006). Bio-inspired 0.35μm CMOS time-to-digital converter with 29.3ps LSB. In ESSCIRC 2006 - Proceedings of the 32nd European Solid-State Circuits Conference (pp. 170-173). [4099731] (ESSCIRC 2006 - Proceedings of the 32nd European Solid-State Circuits Conference). https://doi.org/10.1109/ESSCIR.2006.307558