time-domain

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A Two-Step Time-Domain Logic-Compatible Embedded-Flash Computing-in-Memory Macro for On-Device AI

A Two-Step Time-Domain Logic-Compatible Embedded-Flash Computing-in-Memory Macro for On-Device AI 150 150
Author(s): Jiho Chun, Byeongseon Choi, Edward Jongyoon Choi, Sohmyung Ha, Ik-Joon Chang, Minkyu Je

Abstract:

Computing in memory (CIM) has emerged as a promising architecture that can significantly reduce power consumption and latency in edge artificial intelligence (AI) devices. For battery-constrained edge devices, non-volatile memories (NVMs) are ideal due to their ability to retain neural network parameters even when powered down, ensuring rapid response time …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3717139
Publisher: IEEE

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A 0.38-pJ/step Pulse-Width Locked Time-Domain Wheatstone Bridge Sensor Readout IC for LIG-Based Wearable Strain Sensing System

A 0.38-pJ/step Pulse-Width Locked Time-Domain Wheatstone Bridge Sensor Readout IC for LIG-Based Wearable Strain Sensing System 150 150
Author(s): Siyuan Xu, Longhuang Li, Yiyang Du, Huiru Yang, Huaiyu Ye, Huan Hu

Abstract:

This article presents a pulse-width locked-loop (PWLL) time-domain readout integrated circuit (IC) for wearable strain-sensing systems based on a laser-induced graphene (LIG) strain sensor. A time-domain Wheatstone bridge (WhB) architecture is proposed, incorporating a duty-cycled resistor (DCR) and a voltage-controlled oscillator (VCO)-based integrator to realize a digitally intensive, energy-efficient, …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3704204
Publisher: IEEE

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A 0.4-V 988-nW Tiny Footprint Time-Domain Audio Feature Extraction ASIC for Keyword Spotting Using Injection-Locked Oscillators

A 0.4-V 988-nW Tiny Footprint Time-Domain Audio Feature Extraction ASIC for Keyword Spotting Using Injection-Locked Oscillators 150 150
Author(s): Ali Mostafa, Emmanuel Hardy, Franck Badets

Abstract:

This work presents an injection-locked oscillator (ILO)-based feature extraction (FEx) system. It combines voltage- and time-domain signal processing to implement a power-efficient programmable gain amplifier (PGA) and a small-footprint, high-selectivity ILO-based voltage-to-time converter bandpass filter (VTC-BPF) bank and rectifier. The VTC-BPF enables direct analog-to-time conversion, eliminating the need for …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3681481
Publisher: IEEE

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