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PANNA: A 558 TOPS/W Pipelined All-Analog Neural Network Accelerator in 22 nm FD-SOI

PANNA: A 558 TOPS/W Pipelined All-Analog Neural Network Accelerator in 22 nm FD-SOI 150 150
Author(s): Jakob Finkbeiner, Raphael Nägele, Manuel Wittlinger, Markus Grözing, Manfred Berroth, Georg Rademacher

Abstract:

Analog computing offers intrinsic energy and latency benefits that makes it attractive for real-time and edge applications. Conventional analog accelerators suffer from repeated conversions between analog and digital domain, which degrades efficiency and throughput. We propose an all-analog pipelined neural network accelerator architecture in 22 nm fully-depleted silicon-on-insulator (FD-SOI) complementary metal-oxide-semiconductor (…

Published in: IEEE Solid-State Circuits Letters
Page(s): 365 – 368
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3627274
Publisher: IEEE

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A Compact, Highly-Digital Sensor-Fusion-Based Joint V dd-Temperature Sensor for SoC Thermal Management

A Compact, Highly-Digital Sensor-Fusion-Based Joint V dd-Temperature Sensor for SoC Thermal Management 150 150
Author(s): Hikmet Seha Öztürk, Julian Arenas, Carlos Tokunaga, Nasser Kurd, Visvesh S. Sathe

Abstract:

This article presents a fine-grained thermal sensing network for thermal management in SoCs. Sensor nodes in this network are made up of joint supply voltage ( $V_{\mathrm {dd}}$ ) and temperature ( $T$ ) sensors, which are compact and highly digital. Measurements from these simple but imperfect sensors are jointly processed to extract …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3621280
Publisher: IEEE

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A Linear Dynamic Voltage Scaling Technique With Adaptive Minimum Voltage Headroom Tracking for Implantable Neurostimulation

A Linear Dynamic Voltage Scaling Technique With Adaptive Minimum Voltage Headroom Tracking for Implantable Neurostimulation 150 150
Author(s): Kai Cui, Honglei Xu, Yingduo Duan, Yan Lu, Xiaoya Fan, Yanzhao Ma

Abstract:

This letter presents a linear dynamic voltage scaling (DVS) technique using a dual-loop multistage charge-pump maintaining the minimum voltage headroom for implantable neurostimulation. By adopting an analog DVS with adaptive feedback divider, the stimulus current source could be always kept operating at the boundary of the saturation region and the …

Published in: IEEE Solid-State Circuits Letters
Page(s): 261 – 264
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3608096
Publisher: IEEE

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MIX-ACIM: A 28-nm Mixed-Precision Analog Compute-in-Memory With Digital Feature Restoration for Vector-Matrix Multiplication

MIX-ACIM: A 28-nm Mixed-Precision Analog Compute-in-Memory With Digital Feature Restoration for Vector-Matrix Multiplication 150 150
Author(s): Wei-Chun Wang, Shida Zhang, Laith Shamieh, Narasimha Vasishta Kidambi, Isha Chakraborty, Saibal Mukhopadhyay

Abstract:

A mixed-precision analog compute-in-memory (Mix-ACIM) is presented for mixed-precision vector-matrix multiplication (VMM). The design features an all-analog current-domain fixed-point (FxP) VMM with floating-point conversion and feature restoration. A 28 nm CMOS test chip shows 41 TOPS/W and 24 TOPS/mm2 for FxP (8-bit input/weight and 12-bit output) and 24.18 TFLOPS/W and 3.3 …

Published in: IEEE Solid-State Circuits Letters
Page(s): 213 – 216
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3590757
Publisher: IEEE

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A 2 pA/ √Hz Input-Referred Noise TIA in 180-nm CMOS With 2.5GHz Bandwidth for Optical Receiver

A 2 pA/ √Hz Input-Referred Noise TIA in 180-nm CMOS With 2.5GHz Bandwidth for Optical Receiver 150 150
Author(s): Yihao Yang, Dan Li, Nan Qi, Binhao Wang

Abstract:

This letter describes an ultra-low-noise, high-speed transimpedance amplifier (TIA) applied to the analog front-end (AFE) circuit of the high-sensitivity optical receiver. A combination of a three-stage amplifier and two positive feedback Miller capacitors is introduced to comprehensively reduce the input-referred noise current (IRNC) of a shunt-feedback TIA (SFTIA) and to …

Published in: IEEE Solid-State Circuits Letters
Page(s): 1 – 1
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3584266
Publisher: IEEE

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