A Standard-Cell-Based Neuro-Inspired Integrate-and-Fire ATC for Biological and Low-Frequency Signals

Miguel Lima Teixeira; João P. Oliveira; José C. Príncipe; João Goes

doi:10.1109/BioCAS58349.2023.10388601

A Standard-Cell-Based Neuro-Inspired Integrate-and-Fire ATC for Biological and Low-Frequency Signals

Miguel Lima Teixeira, João P. Oliveira, José C. Príncipe, João Goes

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Citation (Scopus)

Abstract

Continuous-time (CT) asynchronous data converters namely, ADCs and analog-to-time converters (ATCs), can be beneficial for certain types of applications, such as, processing of biological signals with sparse information. A particular case of these converters is the integrate-and-fire converter (IFC) that is inspired by the neural system. This paper presents a standard-cell-based (SCB) open-loop IFC circuit, designed and prototyped in a 130 nm CMOS standard process. It has a power dissipation of 59 μW and an energy per pulse of 18 pJ, which is one of the lowest energy per pulse consumption reported for IFC circuits, without requiring an external clock. The maximum pulse density (average firing-rate) is 3300 kHz. It is mostly digital, using only two additional on-chip integrating capacitors.

Original language	English
Title of host publication	BioCAS 2023
Subtitle of host publication	2023 IEEE Biomedical Circuits and Systems Conference
Place of Publication	New Jersey
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Number of pages	5
ISBN (Electronic)	979-8-3503-0026-0
ISBN (Print)	979-8-3503-0027-7
DOIs	https://doi.org/10.1109/BioCAS58349.2023.10388601
Publication status	Published - 2023
Event	2023 IEEE Biomedical Circuits and Systems Conference, BioCAS 2023 - Toronto, Canada Duration: 19 Oct 2023 → 21 Oct 2023

Publication series

Name	IEEE Biomedical Circuits and Systems (BIOCAS)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
ISSN (Print)	2163-4025
ISSN (Electronic)	2766-4465

Conference

Conference	2023 IEEE Biomedical Circuits and Systems Conference, BioCAS 2023
Country/Territory	Canada
City	Toronto
Period	19/10/23 → 21/10/23

Keywords

ADC
analog-to-time converter (ATC)
integrate-and-fire converter (IFC) circuit
Neuroelectronics
standard-cell-based (SCB)
time encoding machine (TEM)

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10.1109/BioCAS58349.2023.10388601

Cite this

Teixeira, M. L., Oliveira, J. P., Príncipe, J. C., & Goes, J. (2023). A Standard-Cell-Based Neuro-Inspired Integrate-and-Fire ATC for Biological and Low-Frequency Signals. In BioCAS 2023: 2023 IEEE Biomedical Circuits and Systems Conference (IEEE Biomedical Circuits and Systems (BIOCAS)). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/BioCAS58349.2023.10388601

@inproceedings{5122277cd0604f41bdbbf31a6654d372,

title = "A Standard-Cell-Based Neuro-Inspired Integrate-and-Fire ATC for Biological and Low-Frequency Signals",

abstract = "Continuous-time (CT) asynchronous data converters namely, ADCs and analog-to-time converters (ATCs), can be beneficial for certain types of applications, such as, processing of biological signals with sparse information. A particular case of these converters is the integrate-and-fire converter (IFC) that is inspired by the neural system. This paper presents a standard-cell-based (SCB) open-loop IFC circuit, designed and prototyped in a 130 nm CMOS standard process. It has a power dissipation of 59 μW and an energy per pulse of 18 pJ, which is one of the lowest energy per pulse consumption reported for IFC circuits, without requiring an external clock. The maximum pulse density (average firing-rate) is 3300 kHz. It is mostly digital, using only two additional on-chip integrating capacitors.",

keywords = "ADC, analog-to-time converter (ATC), integrate-and-fire converter (IFC) circuit, Neuroelectronics, standard-cell-based (SCB), time encoding machine (TEM)",

author = "Teixeira, {Miguel Lima} and Oliveira, {Jo{\~a}o P.} and Pr{\'i}ncipe, {Jos{\'e} C.} and Jo{\~a}o Goes",

note = "info:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F73644%2F2010/PT# info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00066%2F2020/PT# info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00066%2F2020/PT# info:eu-repo/grantAgreement/FCT/Concurso para Financiamento de Projetos de Investiga{\c c}{\~a}o Cient{\'i}fica e Desenvolvimento Tecnol{\'o}gico em Todos os Dom{\'i}nios Cient{\'i}ficos - 2020/PTDC%2FCTM-PAM%2F4241%2F2020/PT# Funding Information: The authors would like to thank the funding from Portuguese Foundation for Science and Technology (FCT/MCTES) with reference POPH/FSE QREN. Publisher Copyright: {\textcopyright} 2023 IEEE.; 2023 IEEE Biomedical Circuits and Systems Conference, BioCAS 2023 ; Conference date: 19-10-2023 Through 21-10-2023",

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doi = "10.1109/BioCAS58349.2023.10388601",

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Teixeira, ML , Oliveira, JP, Príncipe, JC & Goes, J 2023, A Standard-Cell-Based Neuro-Inspired Integrate-and-Fire ATC for Biological and Low-Frequency Signals. in BioCAS 2023: 2023 IEEE Biomedical Circuits and Systems Conference. IEEE Biomedical Circuits and Systems (BIOCAS), Institute of Electrical and Electronics Engineers (IEEE), New Jersey, 2023 IEEE Biomedical Circuits and Systems Conference, BioCAS 2023, Toronto, Canada, 19/10/23. https://doi.org/10.1109/BioCAS58349.2023.10388601

A Standard-Cell-Based Neuro-Inspired Integrate-and-Fire ATC for Biological and Low-Frequency Signals. / Teixeira, Miguel Lima ; Oliveira, João P.; Príncipe, José C. et al.
BioCAS 2023: 2023 IEEE Biomedical Circuits and Systems Conference. New Jersey: Institute of Electrical and Electronics Engineers (IEEE), 2023. (IEEE Biomedical Circuits and Systems (BIOCAS)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Goes, João

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AB - Continuous-time (CT) asynchronous data converters namely, ADCs and analog-to-time converters (ATCs), can be beneficial for certain types of applications, such as, processing of biological signals with sparse information. A particular case of these converters is the integrate-and-fire converter (IFC) that is inspired by the neural system. This paper presents a standard-cell-based (SCB) open-loop IFC circuit, designed and prototyped in a 130 nm CMOS standard process. It has a power dissipation of 59 μW and an energy per pulse of 18 pJ, which is one of the lowest energy per pulse consumption reported for IFC circuits, without requiring an external clock. The maximum pulse density (average firing-rate) is 3300 kHz. It is mostly digital, using only two additional on-chip integrating capacitors.

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Teixeira ML , Oliveira JP, Príncipe JC, Goes J. A Standard-Cell-Based Neuro-Inspired Integrate-and-Fire ATC for Biological and Low-Frequency Signals. In BioCAS 2023: 2023 IEEE Biomedical Circuits and Systems Conference. New Jersey: Institute of Electrical and Electronics Engineers (IEEE). 2023. (IEEE Biomedical Circuits and Systems (BIOCAS)). doi: 10.1109/BioCAS58349.2023.10388601

A Standard-Cell-Based Neuro-Inspired Integrate-and-Fire ATC for Biological and Low-Frequency Signals

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Keywords

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