Bio-inspired 0.35 (mikro)m CMOS time-to-digital converter with 29.3 ps LSB

Mozsáry, András and Chung, JF and Rodríguez-Vázquez, A. and Roska, Tamás (2006) Bio-inspired 0.35 (mikro)m CMOS time-to-digital converter with 29.3 ps LSB. In: ESSCIRC 2006. 32nd European solid-state circuits conference . Montreux, 2006..

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Abstract: Time-to-Digital Converter (TDC) 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 0.35um CMOS having less than 30ps single-shot resolution in the measurements.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QA Mathematics and Computer Science > QA75 Electronic computers. Computer science / számítástechnika, számítógéptudomány
Divisions: Cellular Sensory and Optical Wave Computing Laboratory
Depositing User: Eszter Nagy
Date Deposited: 11 Dec 2012 15:27
Last Modified: 11 Dec 2012 15:27

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