radiation effects

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Raisu: A Radiation-Tolerant Neuromorphic Imager With In-Pixel Self-Healing and Unified Spiking Processing for Spaceborne Vision

Raisu: A Radiation-Tolerant Neuromorphic Imager With In-Pixel Self-Healing and Unified Spiking Processing for Spaceborne Vision 150 150
Author(s): Quan Cheng, Qiufeng Li, Zhengke Yang, Zhen Kong, Gaoqiang Niu, Yuan Liang, Jiamin Li, Jeong Hoan Park, Wang Liao, Hiromitsu Awano, Takashi Sato, Longyang Lin, Masanori Hashimoto

Abstract:

Spaceborne imaging systems operate under severe radiation and energy constraints, where single-event effects (SEEs), total ionizing dose (TID), and displacement damage dose (DDD) critically degrade reliability and performance. This work presents a radiation-tolerant neuromorphic imager prototype featuring a fully spike-based neuromorphic vision architecture with in-pixel self-healing capability and an integrated …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3715724
Publisher: IEEE

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A 19.5-GHz Radiation-Hardened Sub-Sampled PLL With Quad-Core VCO in 16-nm FinFET Achieving Sub-50 fs Jitter

A 19.5-GHz Radiation-Hardened Sub-Sampled PLL With Quad-Core VCO in 16-nm FinFET Achieving Sub-50 fs Jitter 150 150
Author(s): David Dolt, Samuel Palermo

Abstract:

This letter presents a radiation-hardened (rad-hard) subsampled phase-locked loop (SS-PLL) that achieves state-of-the-art jitter performance while incorporating radiation-hardened techniques to mitigate single-event-upsets (SEUs) present in the space environment. Furthermore, rad-hard techniques are incorporated in each core PLL subblock which include a rad-hard charge-pump Gm cell, a pulser circuit with triple …

Published in: IEEE Solid-State Circuits Letters
Page(s): 285 – 288
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3610901
Publisher: IEEE

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