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), (Early Access), 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), (Early Access), 2026

Hoichang Jeong, Seungbin Kim, Jeongmin Shin, 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

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

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

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

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

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