An Asynchronous Mixed-Signal Resonate-and-Fire Neuron

• URL: http://arxiv.org/abs/2512.07361v1
• Date: Mon, 08 Dec 2025 10:00:56 GMT
• Title: An Asynchronous Mixed-Signal Resonate-and-Fire Neuron
• Authors: Giuseppe Leo, Paolo Gibertini, Irem Ilter, Erika Covi, Ole Richter, Elisabetta Chicca,
• Abstract summary: We show a fabricated Complementary Metal-Oxide-Semiconductor (CMOS) mixed-signal Resonate-and-Fire (R&F) neuron circuit.<n>Our results demonstrate the feasibility of large-scale integration within neuromorphic systems.
• Score: 0.8281970336209107
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Analog computing at the edge is an emerging strategy to limit data storage and transmission requirements, as well as energy consumption, and its practical implementation is in its initial stages of development. Translating properties of biological neurons into hardware offers a pathway towards low-power, real-time edge processing. Specifically, resonator neurons offer selectivity to specific frequencies as a potential solution for temporal signal processing. Here, we show a fabricated Complementary Metal-Oxide-Semiconductor (CMOS) mixed-signal Resonate-and-Fire (R&F) neuron circuit implementation that emulates the behavior of these neural cells responsible for controlling oscillations within the central nervous system. We integrate the design with asynchronous handshake capabilities, perform comprehensive variability analyses, and characterize its frequency detection functionality. Our results demonstrate the feasibility of large-scale integration within neuromorphic systems, thereby advancing the exploitation of bio-inspired circuits for efficient edge temporal signal processing.

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