An Energy-Efficient Monocular Depth Estimation Processor with Local Group Token Merging and On-the-Fly Sparse Speculation

IEEE Transactions on Circuits and Systems II (T-CAS II): Express Briefs, 2026

Junghyun Yoo, Seungbin Kim, Ghangmin Yun, Bokyoung Seo, Jueun Jung, and Kyuho Jason Lee

EMPSA: A 2.98mJ/frame PointMamba Accelerator for Real-time 3D Point-Cloud Segmentation

IEEE Transactions on Circuits and Systems II (T-CAS II): Express Briefs, 2026

Chaeyoon Kim, Bokyoung Seo, Ghangmin Yun, Seungbin Kim, Jueun Jung, and Kyuho Jason Lee

A Multi-stationary Computing-in-memory Processor with Scalable-precision ADC for Keyword Spotting from Raw Audio Signal

Journal of Semiconductor Technology and Science (JSTS), vol. 26, no. 5, (Early Access) , 2026

Dongwook Kim and Kyuho Jason Lee

A 135-FPS and 0.81-mJ/frame Heterogeneous Processor for Real-Time and Energy-Efficient LiDAR Odometry and Mapping

IEEE Transactions on Circuits and Systems I (T-CAS I), (Early Access), 2026

Seungbin Kim, Jueun Jung, and Kyuho Jason Lee

An Energy-Efficient Real-Time Multi-Modal End-to-End Driving Processor With Sparsity-Adaptive Heterogeneous Core Orchestration

IEEE Journal of Solid-State Circuits (JSSC), (Early Access), 2026

Jueun Jung, Sangho Lee, Junghyun Yoo, Ghangmin Yun, Minsoo Seo, Jeongho Nam, and Kyuho Jason Lee

QUARC: A Compact and Energy-Efficient Quad-Mode Reconfigurable Analog-Digital Hybrid eDRAM CIM for Ternary-LLM Acceleration

IEEE Transactions on Circuits and Systems I (T-CAS I), (Early Access), 2026

Hoichang Jeong, Minsoo Kim, Gyumin Choi, and Kyuho Jason Lee

Oxygen-Tunnel Indium Tin Oxide Vertical ChannelTransistors with Enhanced Current Density and Reliabilityfor Monolithic 3D Compute-In-Memory Systems

Advanced Functional Materials (AFM), (Early Access), 2026

Hyeonho Gu, Haksoon Jung, Yongwoo Lee, Hoichang Jeong, Yanfeng Zhao, Heesoo Yang, Minho Park, Hyeonjin Lee, Seunghun Baek, Minju Song, Junghwan Kim, Youngmin Jo, Hyunjin Park, Munhyeon Kim, Jae-Joon Kim, Kyuho Jason Lee, Byungjo Kim, and Jimin Kwon

SERAH-CIM: Sparsity-Aware Effective Row Activation Analog-Digital Hybrid eDRAM CIM with In-Macro Multi-Row-Multi-Task Control

IEEE Journal of Solid-State Circuits (JSSC), vol. 61, no. 9, pp. 5039-5053, Sept. 2026

Hoichang Jeong^*, Seungbin Kim^*, Dongwook Kim, Jueun Jung, and Kyuho Jason Lee (*equal contribution)

HYTEC: Compact and Energy-Efficient Analog-Digital Hybrid CIM With Transpose Ternary eDRAM

IEEE Journal of Solid-State Circuits (JSSC), vol. 61, no. 6, pp. 3004-3017, Jun. 2026

Hoichang Jeong, Seungbin Kim, Jeongmin Shin, and Kyuho Jason Lee

DPIM: A 2T1C eDRAM Transformer-in-Memory Chip with Sparsity-Aware Quantization and Heterogeneous Dense-Sparse Core

IEEE Journal of Solid-State Circuits (JSSC), vol. 61, no. 5, pp. 2349-2364, May 2026

Donghyuk Kim, Jae-Young Kim, Hyunjun Cho, Seungjae Yoo, Sukjin Lee, Sungwoong Yune, Sejeong Yang, Hoichang Jeong, Keonhee Park, Ki-Soo Lee, Jongchan Lee, Chanheum Han, Gunmo Koo, Yuli Han, Jaejin Kim, Jaemin Kim, Kyuho Jason Lee, Joo-Hyung Chae, Kunhee Cho, and Joo-Young Kim

A Multibit ReRAM Computing-in-Memory Processor with Adaptive Decision Level Nonlinear ADC for Ultra-low-energy Keyword Spotting in Mobile Devices

IEEE Transactions on Circuits and Systems I (T-CAS I): Regular Papers, vol. 73, no. 2, pp. 862-874, Feb. 2026

Dongwook Kim, Hoichang Jeong, Seungbin Kim, Heein Yoon, and Kyuho Jason Lee

CINELL: An Energy-Efficient Compute-in/near-Memory eDRAM Processor for Sparse Transformer-Based Large Language Models

IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 34, no. 1, pp. 242-253, Jan. 2026

Sunhong An, Hoichang Jeong, Seungbin Kim, and Kyuho Jason Lee

A LiDAR-PNN Pipelined Processor with Cylindrical Bin Partitioning and Halo Indexing for 3D Perception in Outdoor Autonomous Driving Applications

IEEE Journal of Solid-State Circuits (JSSC), vol. 60, no. 10, pp. 3655-3664, Oct. 2025

Bokyoung Seo, Jueun Jung, Donghyeon Han, and Kyuho Jason Lee

An Energy-Efficient Image Deblurring Accelerator with Quad-base-Quad-scale Quantized Format and Layer Normalization-Aware Optimization

IEEE Transactions on Circuits and Systems II (T-CAS II): Express Briefs, vol. 72, no. 9, pp. 1273-1277, Sept. 2025

Jinhoon Jo, Jueun Jung, and Kyuho Jason Lee

C²IM-NN: A Low-power 3D Point Clouds Matching Processor with 1D-CNN Prediction and CAM-based In-memory k-NN Searching

IEEE Transactions on Circuits and Systems I (T-CAS I): Regular Papers, vol. 72, no. 7, pp. 3286-3297, Jul. 2025

Jeongmin Shin, Hoichang Jeong, Seungbin Kim, Keonhee Park, Sangho Lee, and Kyuho Jason Lee

A Mobile Semantic LiDAR SLAM Processor with AI-based 3D Perception and Spatio-temporal-aware Computing

IEEE MICRO, vol. 45, no. 2, pp. 67-77, Mar. 2025

Jueun Jung, Seungbin Kim, Bokyoung Seo, Wuyoung Jang, Sangho Lee, Jeongmin Shin, Donghyeon Han, and Kyuho Jason Lee

A 701.7 TOPS/W Compute-in-Memory Processor with Time-Domain Computing for Spiking Neural Network

IEEE Transactions on Circuits and Systems I (T-CAS I): Regular Papers, vol. 72, no. 1, pp. 25-35, Jan. 2025

Keonhee Park, Hoichang Jeong, Seungbin Kim, Jeongmin Shin, Minseo Kim, and Kyuho Jason Lee

An Energy-Efficient Processor for Real-Time Semantic LiDAR SLAM in Mobile Robots

IEEE Journal of Solid State Circuits (JSSC), vol. 60, no. 1, pp. 112-124, Jan. 2025

Jueun Jung, Seungbin Kim, Bokyoung Seo, Wuyoung Jang, Sangho Lee, Jeongmin Shin, Donghyeon Han, and Kyuho Jason Lee

Solid-State Circuit Directions Committee's "Think Impact With ICs" Workshop on System, Circuit, Device, and Packaging Co-Optimization for Next Generation AI Systems

IEEE Solid-State Circuits Magazine, vol. 16, no. 4, pp. 111-113, 2024

Atsutake Kosuge and Kyuho Lee

A Real-time Sparsity-aware 3D-CNN Processor for Mobile Hand Gesture Recognition

IEEE Transactions on Circuits and Systems I (T-CAS I): Regular Papers, vol. 71, no. 8, pp. 3695-3707, Aug. 2024

Seungbin Kim, Jueun Jung, and Kyuho Jason Lee

An Energy-Efficient, Unified CNN Accelerator for Real-Time Multi-Object Semantic Segmentation for Autonomous Vehicle

IEEE Transactions on Circuits and Systems I (T-CAS I): Regular Papers, vol. 71, no. 5, pp. 2093-2104, May 2024

Jueun Jung, Seungbin Kim, Wuyoung Jang, Bokyoung Seo, and Kyuho Lee

A Ternary Neural Network Computing-in-Memory Processor with 16T1C Bitcell Architecture

IEEE Transactions on Circuits and Systems II (T-CAS II): Express Briefs, vol. 70, no. 5, pp. 1739-1743, May 2023

Hoichang Jeong, Seungbin Kim, Keonhee Park, Jueun Jung, and Kyuho Lee

Architecture of neural processing unit for deep neural networks

Advances in Computers, Elsevier, vol. 122, pp. 217-245, Apr. 2021

Kyuho Jason Lee

The Development of Silicon for AI: Different Design Approaches

IEEE Transactions on Circuits and Systems I (T-CAS I): Regular Papers, vol. 67, no. 12, pp. 4719-4732, Dec. 2020

Kyuho Lee, Jinmook Lee, Sungpill Choi, and Hoi-Jun Yoo

A 9.52 ms Latency, and Low-power Streaming Depth-estimation Processor with Shifter-based Pipelined Architecture for Smart Mobile Devices

Journal of Semiconductor Technology and Science (JSTS), vol. 20, no. 3, pp. 255-270, Jun. 2020

Sungpill Choi, Kyuho Jason Lee, Yongwoo Kim, and Hoi-Jun Yoo

Tunneling-based ternary metal-oxide-semiconductor technology

Nature Electronics (Nat. Electron), vol. 2, no. 7, pp. 307-312, Jul. 2019

Jae Won Jeong, Young-Eun Choi, Woo-Seok Kim, Jee-Ho Park, Sunmean Kim, Sunhae Shin, Kyuho Lee, Jiwon Chang, Seong-Jin Kim, and Kyung Rok Kim

A Low-power, Mixed-mode Neural Network Classifier for Robust Scene Classification

Journal of Semiconductor Technology and Science (JSTS), vol. 19, no. 1, pp. 129-136, Feb. 2019

Kyuho Lee, Junyoung Park, and Hoi-Jun Yoo

A 1.4mW-Sensitivity 94-dB Dynamic-Range Electrical Impedance Tomography SoC and 48-Channel Hub-SoC for 3-D Lung Ventilation Monitoring System

IEEE Journal of Solid-State Circuits (JSSC), vol. 52, no. 11, pp. 2829-2842, Oct. 2017

Minseo Kim, Jaeeun Jang, Hyunki Kim, Jihee Lee, Jaehyuck Lee, Jiwon Lee, Kyungrog Lee, Kwante Kim, Yongsu Lee, Kyuho Jason Lee, and Hoi-Jun Yoo

A 82-nW Chaotic Map True Random Number Generator Based on a Sub-Ranging SAR ADC

IEEE Journal of Solid-State Circuits (JSSC), vol. 52, no. 7, pp. 1953-1965, Jul. 2017

Minseo Kim, Unsoo Ha, Kyuho Jason Lee, Yongsu Lee, and Hoi-Jun Yoo

A 502GOPS and 0.984mW Dual-mode Intelligent ADAS SoC with Real-Time Semi-Global Matching and Intention Prediction for Smart Automotive Black Box System

IEEE Journal of Solid-State Circuits (JSSC), vol. 52, no. 1, pp. 139-150, Jan. 2017

Kyuho Jason Lee, Kyeongryeol Bong, Changhyeon Kim, Jaeeun Jang, Kyoung-Rog Lee, Jihee Lee, Gyeonghoon Kim, and Hoi-Jun Yoo

A CMOS Image Sensor-based Stereo Matching Accelerator with Focal-plane Rectification and Analog Census Transform

IEEE Transactions on Circuits and Systems I (T-CAS I): Regular Papers, vol. 63, no. 12, pp. 2180-2188, Dec. 2016

Changhyeon Kim, Kyeongryeol Bong, Sungpill Choi, Kyuho Jason Lee, and Hoi-Jun Yoo

A 2.71nJ/Pixel Gaze-Activated Object Recognition System for Low-power Mobile Smart Glasses

IEEE Journal of Solid-State Circuits (JSSC), vol. 51, no. 1, pp. 45-55, Jan. 2016

Injoon Hong, Kyeongryeol Bong, Dongjoo Shin, Seongwook Park, Kyuho Jason Lee, Youchang Kim, and Hoi-Jun Yoo

A 79pJ/b 80Mb/s Full-Duplex Transceiver and a 42.5mW 100kb/s Super-Regenerative Transceiver for Body Channel Communication

IEEE Journal of Solid-State Circuits (JSSC), vol. 51, no. 1, pp. 310-317, Jan. 2016

Hyunwoo Cho, Hyunki Kim, Minseo Kim, Jaeeun Jang, Yongsu Lee, Kyuho Jason Lee, Joonsung Bae, and Hoi-Jun Yoo

A Vocabulary Forest Object Matching Processor with 2.07 M-vector/s Throughput and 13.3 nJ/vector Per-Vector Energy for Full-HD 60 fps Video Object Recognition

IEEE Journal of Solid-State Circuits (JSSC), vol. 50, no. 4, pp. 1059-1069, Apr. 2015

Kyuho Jason Lee, Gyeonghoon Kim, Junyoung Park, and Hoi-Jun Yoo

A 1.22 TOPS and 1.52mW/MHz Augmented Reality Multi-Core Processor with Neural Network NoC for HMD Applications

IEEE Journal of Solid-State Circuits (JSSC), vol. 50, no. 1, pp. 113-124, Jan. 2015

Gyeonghoon Kim, Donghyun Kim, Seongwook Park, Youchang Kim, Kyuho Lee, Injoon Hong, Kyeongryeol Bong, and Hoi-Jun Yoo

An Augmented Reality Processor with a Congestion-Aware Network-on-Chip Scheduler

IEEE MICRO, vol. 34, no. 6, pp. 31-41, Nov. 2014

Gyeonghoon Kim, Donghyun Kim, Seongwook Park, Youchang Kim, Kyuho Lee, Injoon Hong, Kyeongryeol Bong, and Hoi-Jun Yoo