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Denim: Heterogeneous Compute-in-Memory Accelerator Exploiting Denoising–Similarity for Diffusion Models

Denim: Heterogeneous Compute-in-Memory Accelerator Exploiting Denoising–Similarity for Diffusion Models 150 150
Author(s): Ruiqi Guo, Lei Wang, Xiaofeng Chen, Keyi Jiang, Zhiheng Yue, Huiming Han, Yang Wang, Fengbin Tu, Shaojun Wei, Yang Hu, Shouyi Yin

Abstract:

Diffusion models have recently revolutionized the field of image synthesis due to their ability to generate photorealistic images. However, one of the main drawbacks of diffusion models is that the image generation process is expensive. Large image-to-image networks have to be applied multiple times in order to iteratively optimize the …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3684745
Publisher: IEEE

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Benchmarking of Emerging Material-Based TCAMs

Benchmarking of Emerging Material-Based TCAMs 150 150
Author(s): Ashwin Tunga, Junzhe Kang, Zijing Zhao, Ankit Shukla, Wenjuan Zhu, Shaloo Rakheja

Abstract:

This work presents a comprehensive benchmarking of ternary content-addressable memory (TCAM) implementations using timing-accurate SPICE simulations, systematically comparing conventional CMOS designs with emerging device technologies, including magnetic tunnel junctions (MTJs), ferroelectric tunnel junctions (FTJs), ferroelectric field-effect transistors (FeFETs), and two-dimensional reconfigurable field-effect transistors (2D RFETs). Key performance metrics, including search …

Published in: IEEE Journal on Exploratory Solid-State Computational Devices and Circuits
Page(s): 1 – 1
Year of Publication: 2026
Electronic ISSN: 2329-9231
DOI: 10.1109/JXCDC.2026.3687143
Publisher: IEEE

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A Time-Domain CNN Engine with Adaptive-Precision Computing and Threshold-Controllable Prediction for Edge Computing

A Time-Domain CNN Engine with Adaptive-Precision Computing and Threshold-Controllable Prediction for Edge Computing 150 150
Author(s): Aoming Zhan, Ye Zhao, Yulin Zhang, Gengchen Han, Qihang Jiang, Long Chen, Yumei Zhou, Shushan Qiao

Abstract:

With the growing demand for energy-efficient convolutional neural network (CNN) accelerators in edge intelligence, conventional digital CNN processors with fixed precision incur excessive switching energy and limited scalability. This work presents a time-domain CNN (TD-CNN) engine that achieves adaptive precision and computation reduction for ultra-low-power operation. The main features include: 1) …

Published in: IEEE Solid-State Circuits Letters
Page(s): 1 – 1
Year of Publication: 2026
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2026.3687395
Publisher: IEEE

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A 10.1-ENOB 8kHz Bandwidth 95–250nW PVT-Robust DT Level-Crossing ADC for Sparse and Generic Signals

A 10.1-ENOB 8kHz Bandwidth 95–250nW PVT-Robust DT Level-Crossing ADC for Sparse and Generic Signals 150 150
Author(s): Jixuan Mou, Pieter Harpe, Alessandro Saccon, Eugenio Cantatore, Marco Fattori

Abstract:

This article presents an event-driven discrete-time level crossing analog-to-digital converter (DT-LCADC) that is energy-efficient in converting both sparse and generic signals and is robust against process voltage and temperature (PVT) variations. The proposed DT-LCADC uses the comparator delay to classify each level-crossing event as slow (produced by a small input …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3683078
Publisher: IEEE

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A MEMS-Free 4096-Pixel CMOS E-Nose Array With MOF-Based Molecular Selectivity, In-Pixel Thermal Regeneration, and a Compact Single-Coefficient Bandpass Sigma–Delta ADC

A MEMS-Free 4096-Pixel CMOS E-Nose Array With MOF-Based Molecular Selectivity, In-Pixel Thermal Regeneration, and a Compact Single-Coefficient Bandpass Sigma–Delta ADC 150 150
Author(s): Marco Saif, Adam Y. Wang, Shao-Wei Lo, Fuze Jiang, Zhikai Huang, Jiachen Wang, Hangxing Liu, Chih-Jen Shih, Thomas Burger, Hua Wang

Abstract:

This work presents a CMOS-only [micro-electromechanical systems (MEMS)-free] electronic nose (e-nose) for concurrent multi-gas-sensing applications. The proposed system integrates 4096 capacitance-to-digital converter (CDC) pixels, each implementing a compact bandpass sigma–delta ( $\Sigma \Delta $ ) ADC with a single feedback coefficient and no additional feedforward or feedback paths, achieving each pixel footprint …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 13
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3685410
Publisher: IEEE

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A 28-nm System-in-One-Macro Computing-in-Memory Chip Utilizing Leakage-Eliminated 2T1C and Capacitor-Over-Logic 1T1C eDRAM

A 28-nm System-in-One-Macro Computing-in-Memory Chip Utilizing Leakage-Eliminated 2T1C and Capacitor-Over-Logic 1T1C eDRAM 150 150
Author(s): Zhihang Qian, Zhaori Cong, Shengzhe Yan, Zeyu Guo, Zhuoyu Dai, Yifan He, Wenyu Sun, Chunmeng Dou, Feng Zhang, Di Geng, Jinshan Yue, Yongpan Liu, Qi Liu, Ming Liu

Abstract:

Computing-in-memory (CIM) is a promising paradigm for energy- and area-efficient implementation of the heavy general matrix multiplication (GEMM) operations, especially in the evolving deep learning algorithms. Though existing CIM macros have demonstrated remarkable energy/area efficiency, the corresponding metrics of the system-level CIM chips degrade due to the peripheral components, …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3684971
Publisher: IEEE

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A 16× Interleaved 32-GS/s 8b Hybrid ADC With Self-Tracking Inter-Stage Gain Achieving 44.3-dB SFDR at 20.9-GHz Input

A 16× Interleaved 32-GS/s 8b Hybrid ADC With Self-Tracking Inter-Stage Gain Achieving 44.3-dB SFDR at 20.9-GHz Input 150 150
Author(s): Hongzhi Liang, Jun Chang, Yixiao Luo, Li Dang, Haolin Han, Yi Shen, Dengquan Li, Shubin Liu, Ruixue Ding, Zhangming Zhu

Abstract:

This article presents a 32-GS/s 16-channel hierarchical time-interleaved (TI) hybrid analog-to-digital converter (ADC). The prototype utilizes the intrinsic high-speed quantization of time-domain (TD) ADC to reduce the interleaving factor. By incorporating hierarchical sampling and a cascode sampler, the compact TI-ADC achieves 44.3-dB spurious-free dynamic range (SFDR) at 20.9-GHz input. …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 11
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3680919
Publisher: IEEE

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A 95.3% Efficiency APT/AET/SPT Multimode Multiband CMOS/GaN Envelope Tracking for 6G-Oriented Systems

A 95.3% Efficiency APT/AET/SPT Multimode Multiband CMOS/GaN Envelope Tracking for 6G-Oriented Systems 150 150
Author(s): Chun-Yuan Chen, Yi-Chun Huang, Ke-Horng Chen, Ying-Hsi Lin, Shian-Ru Lin, Tsung-Yen Tsai

Abstract:

This article proposes an envelope-tracking (ET) supply modulator (SM) that is scalable for sixth-generation (6G) communication systems. The design leverages a cost-efficient CMOS process for the power converters and a high-performance GaN process for the high-frequency power amplifier (PA) and the depletion-mode-only GaN-based amplifier. The proposed ET supply modulator (ETSM) …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3681319
Publisher: IEEE

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A 6.78-MHz Single-Stage Regulating Rectifier With Dual Outputs Simultaneously Charged in a Half Cycle Achieving 92.2% Efficiency and 131 mW Output Power

A 6.78-MHz Single-Stage Regulating Rectifier With Dual Outputs Simultaneously Charged in a Half Cycle Achieving 92.2% Efficiency and 131 mW Output Power 150 150
Author(s): Quanrong Zhuang, Junyi Sun, Bo Li, Jie Lu, Zixu Wang, Qi’an Zhu, Xin Zhang, Yi Shi, Hao Qiu

Abstract:

Targeting the wireless power transfer (WPT) to implantable medical devices (IMDs), this work presents a 6.78 MHz single-stage dual-output (SSDO) regulating rectifier. It can support the simultaneous charging of both outputs ( $V_{\text {OUT1}}$ and $V_{\text {OUT2}}$ , $V_{\text {OUT1}} \gt V_{\text {OUT2}}$ ) in a half cycle, rather than …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3682308
Publisher: IEEE

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