Faculty

연구소소개

Members

참여교수진

Sung-Ho Kang

강성호

공과대학 전기전자공학과

연구분야

VLSI/SOC design and testing, design for testability, design for manufacturability, and fault-tolerant computing.

  • S. Lee, J. Lee, H. Lee and S. Kang, "VASE: Vector Memory Using Bit-Level Address Segmentation for High-Speed Memory Testing," in IEEE Transactions on Circuits and Systems I: Regular Papers, doi: 10.1109/TCSI.2025.3593691.

  • J. Joung, S. Lee, J. Park, J. Kim, L. Jung and S. Kang, "CLAPS: A Graph Clustering Based Approach for Partial Scan Design," in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, doi: 10.1109/TCAD.2025.3576314.

  • D. Han, D. Won, S. Kim and S. Kang, "TSV Built-In Self-Repair Architecture for Lifespan Reliability Enhancement of HBM," in IEEE Transactions on Reliability, doi: 10.1109/TR.2024.3434631.

  • H. Lee, J. Lee and S. Kang, "An Efficient Test Architecture Using Hybrid Built-In Self-Test for Processing-in-Memory," in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 33, no. 5, pp. 1452-1456, May 2025, doi: 10.1109/TVLSI.2024.3504539.

  • J. Lee, H. Lee, S. Lee and S. Kang, "A New ISA for High-Speed and Area-Efficient ALPG," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 71, no. 7, pp. 3358-3362, July 2024, doi: 10.1109/TCSII.2024.3364057.

Geon-Hwan Kim

김건환

공과대학 시스템반도체공학과

연구분야

Resistive Switching Device for Neuromorphic Computing,Emerging Non-Volatile Memory Device, Atomic Layer Deposition and Applications (Metal-Oxide / Chalcogenide / 2D materials)

  • Purely self-rectifying memristor-based passive crossbar array for artificial neural network accelerators

  • Self-rectifying resistive memory in passive crossbar arrays

  • In-doped GeSbSeTe thin films for increased memory window of selector-only-memory devices

  • Optimized chalcogenide medium for inherently activated resistive switching device

  • GeSSeTe-based selector-only-memory via unipolar operation

Dae-Hun Kim

김대훈

공과대학 시스템반도체공학과

연구분야

Computer Architecture & System

  • Beyond Page Migration: Enhancing Tiered Memory Performance via Integrated Last-Level Cache Management and Page Migration, IEEE/ACM International Symposium on Microarchitecture (MICRO), 2025

  • EcoCore: Dynamic Core Management for Improving Energy Efficiency in Latency-Critical Applications, IEEE/ACM International Symposium on Microarchitecture (MICRO), 2025

  • BrokenSleep: Remote Power Timing Attack Exploiting Processor Idle States, IEEE International Symposium on High-Performance Computer Architecture (HPCA), 2025

  • vSPACE: Supporting Parallel Network Packet Processing in Virtualized Environments through Dynamic Core Management, International Conference on Parallel Architectures and Compilation Techniques (PACT), 2024

  • GreenDIMM: OS-assisted DRAM Power Management for DRAM with a Sub-array Granularity Power-Down State, IEEE/ACM International Symposium on Microarchitecture (MICRO), 2021

Tae-Uk Kim

김태욱

공과대학 전기전자공학과

연구분야

microwave, RF, analog, mixed-signal Ics and systems

  • An IR-UWB CMOS Transceiver With Extended Pulse Position Modulation-2022 IEEE Journal of Solid-State Circuits (JSSC)

  • 21.1 A 1.125Gb/s 28mW 2m-Radio-Range IR-UWB CMOS Transceiver-2021 IEEE International Solid-State Circuits Conference (ISSCC)

  • A Time Domain Artificial Intelligence Radar System Using 33-GHz Direct Sampling for Hand Gesture Recognition-2020 IEEE Journal of Solid-State Circuits (JSSC)

  • A Time Domain Artificial Intelligence Radar for Hand Gesture Recognition Using 33-GHz Direct Sampling-2019 Symposium on VLSI Circuits

  • An IR-UWB CMOS Transceiver for High-Data-Rate, Low-Power, and Short-Range Communication-2019 IEEE Journal of Solid-State Circuits (JSSC)

Han-Jun Kim

김한준

공과대학 전기전자공학과

연구분야

컴파일러

  • HALO: Loop-aware Bootstrapping Management for Fully Homomorphic Encryption (ASPLOS 2025)

  • Performance-aware Scale Analysis with Reserve for Homomorphic Encryption (ASPLOS 2024)

  • Occamy: Memory-efficient GPU Compiler for DNN Inference (DAC 2023)

  • Decoupling Schedule, Topology Layout, and Algorithm to Easily Enlarge the Tuning Space of GPU Graph Processing (PACT 2022)

  • HECATE: Performance-Aware Scale Optimization for Homomorphic Encryption Compiler (CGO 2022)

Won-Woo Noh

노원우

공과대학 전기전자공학과

연구분야

Computer architecture(CPU/GPU/NPU/PIM/memory), neural network, quantum computing

  • "BitL: Hybrid Bit-Serial and Parallel Processing for Critical Path Reduction", 2025 58th IEEE/ACM International Symposium on Microarchitecture (MICRO)

  • "WINS: Winograd Structured Pruning for Fast Winograd Convolution", 2025 IEEE/CVF International Conference on Computer Vision (ICCV)

  • "Ditto: Accelerating Diffusion Model via Temporal Value Similarity", 2025 IEEE International Symposium on High Performance Computer Architecture (HPCA)

  • "Garibaldi: A Pairwise Instruction-Data Management Scheme for Enhancing Shared Last-Level Cache Performance in Server Workloads", 2025 ACM/IEEE 42nd Annual International Symposium on Computer Architecture (ISCA)

  • "DEPrune: Depth-wise Separable Convolution Pruning for Maximizing GPU Parallelism", 2024 38th Annual Conference on Neural Information Processing Systems (NeurIPS)

Byung-Uk Min

민병욱

공과대학 전기전자공학과

연구분야

mm-Wave Phased Array Beamformer, In-Band Full-Duplex RF Front-end, Reconfigurable Intelligent Surface, Antennas, RFID Bio Sensors, RF & mm-Wave Integrated Circuits, RF & Microwave Circuits

  • H. -S. Lee, J. Myeong and B. -W. Min, "A 26GHz CMOS 3× Subharmonic Mixer With a Fundamental Frequency Rejection Technique," in IEEE Access, vol. 8, pp. 122986-122996, 2020

  • B. Suh and B. -W. Min, "A 28-GHz Reconfigurable SP4T Switch Network for a Switched Beam System in 65-nm CMOS," in IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 6, pp. 2057-2064, June 2020

  • M. Jung and B. -W. Min, "A Compact 3–30-GHz 68.5-ps CMOS True-Time Delay for Wideband Phased Array Systems," in IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 12, pp. 5371-5380, Dec. 2020

  • K. Park, J. Myeong, G. M. Rebeiz and B. -W. Min, "A 28-GHz Full-Duplex Phased Array Front-End Using Two Cross-Polarized Arrays and a Canceller," in IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 1, pp. 1127-1135, Jan. 2021

  • K. Park and B. -W. Min, "Delay-Sum Group Delay Controller With Low-Loss and Low-Phase Variation," in IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 1, pp. 825-832, Jan. 2021

Gwan-Seo Park

박관서

공과대학 시스템반도체공학과

연구분야

고속 I/O 인터페이스 및 혼성신호 IC 설계

  • S. Kang, S. Lee, Y.-W. Kim, J. Kim, H.-J. Shin, H. Ju, K. Lee, and K. Park*, "A 1.19-pJ/b 32-Gb/s Baud-Rate Receiver Employing 2UI Integrated Pattern-Based CDR and DFE Adaptation Without Data-Level Reference," IEEE Journal of Solid-State Circuits (JSSC, 2025)

  • K. Park, M. Shim, H.-G. Ko, B. Nikolić, and D.-K. Jeong, “Design Techniques for a 6.4-32-Gb/s 0.96-pJ/b Continuous-Rate CDR With Stochastic Frequency-Phase Detector,” IEEE Journal of Solid-State Circuits (JSSC, 2022)

  • D. Kang, J.-S. Park, Y.-W. Kim, S. Lee, K. Kim, H.-G. Ko, and K. Park*, "An 18-Tb/s/mm PAM-3 On-Chip Link with Jitter-Suppressing 3T4T Coding and FFE-Based Crosstalk Cancellation for Memory Interfaces," IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I)

  • S. Lee, D. Yun, J. Kim, S. Kang, Y.-W. Kim, K. Lee, H. Ju, S. Lee, and K. Park*, "A Wide-Range Inter-Wire De-Skewing for IL Warping Mitigation in Spatially Correlated Coded Signaling-Based Transceiver," IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I)

  • Y. Jung, Y. -W. Kim, S. Lee, S. Kang, and K. Park*, "A 16-to-30-Gb/s 1.03-pJ/b Baud-Rate Receiver with Referenceless CDR Employing Integrated Pattern Decoding Technique in 28-nm CMOS," IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I)

Jong-Ho Bae

배종호

공과대학 시스템반도체공학과

연구분야

Semiconductor Devices for AI Hardware

  • IEEE Electron Device Letters, “Analysis of the role of interfacial layer in ferroelectric FET failure as a memory cell”, 2024, IF: 4.1

  • Nanoscale, “Exploration of structural influences on the ferroelectric switching characteristics of ferroelectric thin-film transistors”, 2024, IF: 5.8

  • Advanced Electronic Materials, "Lateral Migration‐based Flash‐like Synaptic Device for Hybrid Off‐chip/On‐chip Training", 2024, IF: 5.3

  • IEEE Electron Device Letters, “Demonstration of Pulse Width Modulation Function Using Single Positive Feedback Device for Neuron”, 2022, IF: 4.1

  • Nanoscale, "Comprehensive and accurate analysis of the working principle in ferroelectric tunnel junctions using low-frequency noise spectroscopy", 2022, IF: 5.8

Jin-Ho Song

송진호

공과대학 전기전자공학과

연구분야

컴퓨터구조

  • Y. Kim and W. Song, “Genie Cache: Non-blocking Miss Handling and Replacement in Page-Table-based DRAM Cache,” IEEE/ACM International Symposium on Microarchitecture (MICRO), Nov. 2024, pp. 983-996.

  • Y. Kim, H. Kim, and W. Song, “NOMAD: Enabling Non-blocking OS-Managed DRAM Cache via Tag-Data Decoupling,” IEEE International Symposium on High-Performance Computer Architecture (HPCA), Feb. 2023, pp. 193-205.

  • H. Kim, S. Ahn, Y. Oh, B. Kim, W. Ro, and W. Song, “Duplo: Lifting Redundant Memory Accesses of Deep Neural Networks for GPU Tensor Cores,” IEEE/ACM International Symposium on Microarchitecture (MICRO), Oct. 2020, pp. 725-737.

  • H. Choi, C. Park, E. Kim, and W. Song, “Nona: Accurate Power Prediction Model Using Neural Networks,” ACM/IEEE Design Automation Conference (DAC), no. 38, June 2024, pp. 1-6.

  • T. Lim, H. Kim, J. Park, B. Kim, and W. Song, “RoTA: Rotational Torus Accelerator for Wear Leveling of Neural Processing Elements,” Design, Automation and Test in Europe Conference and Exhibition (DATE), Mar. 2025.

Jun-Sung Yang

양준성

공과대학 시스템반도체공학과, 전기전자공학과 겸임

연구분야

지능형 시스템을 위한 AI 가속기 설계 및 메모리시스템 구조 연구

  • J.-W. Jang, J. Oh, Y. Kong, J.-Y. Hong, S.-H. Cho, J. Lee, H. Yang, and J.-S. Yang, "Accelerating Retrieval Augmented Language Model via PIM and PNM Integration", IEEE/ACM International Symposium on Microarchitecture (MICRO), 2025

  • H. Lee and J.-S. Yang, "Self-Error Detection and Correction Techniques for Reliable and Efficient Selector-Only Memory", IEEE/ACM International Conference on Computer-Aided Design (ICCAD), 2025

  • I. Choi, and J.-S. Yang, "DBC: Drift-aware Binary Code for Drift-tolerant Deep Neural Networks", ACM/IEEE Design Automation Conference (DAC), 2025 

  • I. Choi, Y.-S. Yoon and  J.-S. Yang, "Bit-slice Architecture for DNN Acceleration with Slice-level Sparsity Enhancement and Exploitation", IEEE International Symposium on High-Performance Computer Architecture (HPCA), 2025 

  • D.-J. Shin, I. Choi, and J.-S. Yang, "ViT-slice: End-to-end Vision Transformer Accelerator with Bit-slice Algorithm", ACM/IEEE Design Automation Conference (DAC), 2024

Il-Gu Yoon

윤일구

공과대학 전기전자공학과

연구분야

반도체 소자 및 공정 모델링 (Device and Process Simulation, Process Diagnosis & Yield/Reliability Modeling)

  • TFET-Based Pixel Source Follower of CMOS Image Sensor for Improved Linearity and High Signal-to-Noise Ratio, IEEE Sensors Journal, 2023

  • Methodology for Plasma Diagnosis and Accurate Virtual Measurement Modeling Using Optical Emission Spectroscopy, IEEE Sensors Journal, 2019

  • Real-Time Plasma Uniformity Monitoring via Selective Plasma Light Intensity Measurement Using Transparent-LCD-Module-Adapted Optical Emission Spectroscopy, IEEE Sensors Journal, 2021

  • 2-D Quantum Confined Threshold Voltage Shift Model for Asymmetric Short-Channel Junctionless Quadruple-Gate FETs, IEEE Transactions on Electron Devices, 2021

  • Junction Engineering-Based Modeling and Optimization of Deep Junction Silicon Single-Photon Avalanche Diodes for Device Scaling, IEEE Transactions on Electron Devices, 2022

Kyu-Ho Lee

이규호

공과대학 전기전자공학과

연구분야

AI System-on-Chip

  • Jeong, H., Kim, S., Jung, J., Lee, K.J., "A 30.7 TOPS/W Sparsity-Aware Analog-Digital Hybrid eDRAM CIM by Effective Row Activation with Simultaneous Multi-Row-Multi-Task Control", IEEE European Solid-State Electronics Research Conference, Sep. 2025

  • Seo, B., Jung, J., Han, D., Lee, K.J., "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, Jun. 2025

  • Jeong, H., Kim, S., Shin, J., Park, K., Lee, K.J., "A 273.48 TOPS/W and 1.58 Mb/mm2 Analog-Digital Hybrid CIM Processor with Transpose Ternary-eDRAM Bitcell", IEEE Asian Solid-State Circuits Conference, Nov. 2024

  • Jung, J., Kim, S., Seo, B., Jang, W., Lee, S., Shin, J., Han, D., Lee, K.J., "LSPU: A Fully-Integrated Real-Time LiDAR-SLAM SoC with Point-Neural-Network Segmentation and Multi-level kNN Acceleration", IEEE International Solid-State Circuits Conference, Feb. 2024

  • Lee, K., Bong, K., Kim, C., Jang, J., Kim, H., Lee, J., Lee, K., Kim, G., Yoo, H., "A 502GOPS and 0.984mW Dual-mode ADAS SoC with RNN-FIS Engine for Intention Prediction in Automotive Black Box System", IEEE International Solid-State Circuits Conference, Feb. 2016

Ji-Won Jang

장지원

공과대학 시스템반도체공학과

연구분야

반도체 소자 (Nanosheet FETs) 시뮬레이터 개발 연구/density functional theory 기반 소재·소자 시뮬레이션

  • D. H. Lee, S. W. Kang, L. F. Register, S. K. Banerjee, J. Chang*, “Efficient and Accurate Full Band Semi-Classical Monte-Carlo Transport Simulation Using Smearing Method and Marching Tetrahedra Algorithm”, SISPAD, Sep 24-26, 2025, Grenoble, France.

  • S. Youn, D. H. Lee, J. Chang*, “Full Band Semi-Classical Monte-Carlo Simulation of Layer Number-Dependent Electron Transport in MoS2 and InSe”, SISPAD, Sep 24-26, 2025, Grenoble, France.

  • D. H. Lee, S. R. Das, J. Kwon*, J. Chang*, “FDSOI-Based Reconfigurable FETs: A Ferroelectric Approach”, IEEE Transactions on Nanotechnology, vol. 24, pp. 277-281 (2025).

  • C. Lee=, D. Kim=, E. Yang, J. Ma, K. Kang*, J. Chang*, “Electrically Binary and Ternary Convertible CMOS Inverter and Logic Gate Using Complementary Field-Effect Transistors Based on Vertically Stacked MoS2/WSe2 n-/p- Field-Effect Transistors”, Advanced Functional Materials(2025).

  • J. E. Seo=, M. Gyeon=, J. Seok, S. Youn, T. Das, S. Kwon, T. S. Kim, D. K. Lee, J. Y. Kwak*, K. Kang*, J. Chang*, “Improvement of Contact Resistance and Three-Dimensional Integration of Two-Dimensional Material Field-Effect Transistors Using Semi-metallic PtSe2 Contacts”, Advanced Functional Materials, 2407382 (2024).

Sung-Uk Jung

정성욱

공과대학 전기전자공학과

연구분야

차세대 VLSI/메모리 회로 설계

  • S. Kim, G. Kim, K. Baek, K. Cho, H. Kim, Y. Jung, D. Seo, S. Baeck, S. Lee, and S.-O. Jung “A High-Density Low-Leakage and Low-Power Fully-Voltage-Stacked SRAM for IoT Application", IEEE Journal of Solid State Circuits.

  • D. Lim, S. Lim, D. Ko, I. Jung, G. Kim, D. Kim, D. Ha, S. Park, H. Chae, S. Yei, T. Na, and S.-O. Jung “A 3X Offset, 2.9X Power, 1.3X Sensing Time, and 4X Area Reduction Direct Input Transfer Offset Cancel DRAM IO Sense Amplifier with Static Current-Free Pre-Sensing", IEEE Journal of Solid State Circuits.

  • J. Kang, K. Cho, S. Kim, G. Kim,H. Kim, H. Kim, D. Seo, S. Baeck, S. Yoon, and S.-O. Jung “A 14nm SRAM Using NMOS Header Assist Cell for Improved Write Ability and Reduced Cell Retention Leakage with Minimal Power Overhead ", IEEE Journal of Solid State Circuits.

  • S. H. Lim, I. Jung, G. S. Kim, D. H. Ko and S.-O. Jung "Dual-input Stacked Inverter-based Single-ended DRAM Sense Amplifier Using BL Switches for Low power High-speed Sensing ", IEEE Journal of Solid State Circuits.

  • T. Kim, J. Y. Kim, J. You, H. Chae, B. Moon, K. Sohn and S.-O. Jung “A Low-Voltage Area-Efficient TSV I/O With QEC Realizing Data Rate up to 15Gb/s for TSV Interface", IEEE Journal of Solid State Circuits.

Ui-Young Jung

정의영

공과대학 전기전자공학과

연구분야

System architecture, System-level design methodology, Low-power design, Memory systems and architecture

  • Eui-Young Chung, Luca Benini, Alessandro Bogliolo, Yung-Hsiang Lu and Giovanni De Micheli, "Dynamic Power Management for Nonstationary Service Requests," IEEE Transactions on Computers, vol. 51, no. 11, pp. 1345-1361, Nov. 2002

  • Eui-Young Chung, Luca Benini, Giovanni De Micheli, Gabrio Luculli and Marco Carilli, "Value-sensitive Automatic Code Specialization for Embedded Software," IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 21, no. 9, pp. 1051-1067, Sep. 2002

  • Eui-Young Chung, Giovanni De Micheli, Marco Carilli, Luca Benini and Gabriele Luculli, "Value-based Source Code Specialization for Energy Reduction," ST Journal of System Research, vol. 3, no. 1, pp. 29-48, Apr. 2002

  • Byoung Jin Kim, Taeyang Jeong, SeongJun Yun and Eui-Young Chung, "DH-PIM: Maximizing Computing Unit Utilization in Digital PIM by Dual Half Mode Extension," IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Early Access

  • Taeyang Jeong and Eui-Young Chung, "PipePIM: Maximizing Computing Unit Utilization in ML-Oriented Digital PIM by Pipelining and Dual Buffering," IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 43, pp. 4585-4598, Dec. 2024

Yi-Poom Jung

정이품

공과대학 시스템반도체공학과

연구분야

Computer System Architectures and Resource Orchestration, CPU Core Microarchitectures and Multi-core Architectures, GPGPU and Accelerator Architectures, Near-Data Processing, Emerging Interconnect Technologies

  • UPP: Universal Predicate Pushdown to Smart Storage

  • Reconstructing Out-of-Order Issue Queue

  • CASINO Core Microarchitecture: Generating Out-of-Order Schedules Using Cascaded In-Order Scheduling Windows

  • A4: Microarchitecture-Aware LLC Management for Datacenter Servers with Emerging I/O Devices

  • Warped-Compaction: Maximizing GPU Register File Bandwidth Utilization via Operand Compaction

Jae-Yong Jung

정재용

공과대학 시스템반도체공학과

연구분야

Hardware-AI Convergence Research

  • Kashif Inayat, Inayat Ullah and Jaeyong Chung, "Factored Systolic Arrays based on Radix-8 Multiplication for Machine Learning Acceleration", IEEE Transaction on Very Large Scale Integration (VLSI) Systems, Vol 32, No. 7, July 2024 (TVLSI Spotlight Article) 

  • Phouc Pham and Jaeyong Chung, "AGD: A Learning-based Optimzation Framework for EDA and its Application to Gate Sizing", IEEE/ACM Proc. Design Automation Conference (DAC), July 2023 

  • Kashif Inayat and Jaeyong Chung, "Hybrid Accumulator Factored Systolic Array for Machine Learning Acceleration", IEEE Transaction on Very Large Scale Integration (VLSI) Systems, 2022 

  • Phuoc Pham, Jacob A. Abraham, and Jaeyong Chung, "Training Multi-bit Quantized and Binarized Networks with A Learnable Symmetric Quantizer", IEEE Access, Vol. 9, March 2021 (code)

  • Kashif Inayat, Fahad Bin Muslim, Tayyeb Mahmood, and Jaeyong Chung, "FPGA-assisted Design Space Exploration of Parameterized AI Accelerators: A Quickloop Approach", Journal of Systems Architecture, 2024

Han-Wool Jung

정한울

공과대학 전기전자공학과

연구분야

-Process-in-memory-SRAM/TCAM Compiler Design Automation via AI-MRAM circuit desing

  • Dongho. Kim, S. Kim, J. Lee, H. Kim, S. Lee, J. Park and H. Jeong, “Bayesian learning-driven Memory Design with Automated Circuit Variant Generation,” IEEE Transactions on Computer-Aided of Integrated Circuits and Systems (IEEE TCAD), Jan.2025.

  • Seokhun Kim, Junseo Lee, Dongho Kim, Jihwan Park, Sangheon Lee, and Hanwool Jeong, "Simultaneous Optimization of Various-Sized SRAM Instances through Machine Learning-Driven Transistor Sizing and Leafcell Circuit Pool Construction," IEEE Transactions on Circuits and Systems (IEEE TCAS-1), Jan.2025.

  • T. Yoon, H. Jeong, "Machine Learning-Based Read Access Yield Estimation and Design Optimization for High-Density SRAM," IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 42, no. 8, pp. 2618-2630, Aug. 2023, 

  • Jaehyun Park, Sangheon Lee, Hanwool Jeong, "Voltage Boosted Fail Detecting Circuit for Selective Write Assist and Cell Current Boosting for High-Density Low-Power SRAM" IEEE Transactions on Circuits and Systems-1, vol. 70, no. 2, pp. 797-805, Feb. 2023

  • Junseo Lee, Jihwan Park, Seokhun Kim and Hanwool Jeong “Bayesian Learning Automated SRAM Circuit Design for Power and Performance Optimization”, IEEE Transactions on Circuits and Systems-1, Sept. 2023

Young-Chul Chae

채영철

공과대학 전기전자공학과

연구분야

Mixed-signal circuits, communication system, sensing system, biomedical application, Image sensor

  • A 0.5ms 47.5nJ Resistor-to-Digital Converter for Resistive BTEX sensor Achieving 0.1-to-5 ppb Resolution

  • A 65 dB-SNDR Pipelined SAR ADC using PVT-Robust Capacitively-Degenerated Dynamic Amplifier

  • A 113.3 dB Dynamic Range 600 frames/s SPAD X-ray Detector with Seamless Global Shutter and Time-Encoded Extrapolation Counter

  • A Highly Digital 143.2-dB DR Sub-1° Phase Error Impedance Monitoring IC with Pulse-Width Modulation Frontend

  • An Intrinsically Linear Multi-Rate Continuous-Time Zoom ADC Achieving 97.4-dB DR and 105.7-dB SFDR in 50-kHz Signal Bandwidth

Kyung-Sik Choi

최경식

공과대학 시스템반도체공학과

연구분야

RF/mmWave/Sub-THz integrated circuits and systems for wireless communication and radar sensing, High-performance RF building blocks (PA, LNA, PLL, …), Unconventional beamforming array ICs, Energy-efficient ICs for wireless connectivity, Digital intensive RFIC design

  • Kyung-Sik Choi†, Basem Abdelaziz Abdelmagid†, Yuqi Liu, and Hua Wang, “A D-Band Concurrent 20-Beam MIMO Transmitter Array with A Four-Element Joint Static/Dynamic Beam-Multiplication Beamformer,” in IEEE Journal of Solid-State Circuits (Accepted).

  • Kyung-Sik Choi†, Hokeun Lee†, Byeonghun Yun, and Sang-Gug Lee, “A D-band Low-Noise and High-Gain Receiver Front-End Adopting Gmax-Driven Active Mixer,” in IEEE Transactions on Microwave Theory and Techniques(Accepted). (†Co-first author)

  • Kyung-Sik Choi, Keun-Mok Kim, Jinho Ko, and Sang-Gug Lee, “A 915 MHz Transmitter with 210 μW ULP PLL Employing Frequency Tripler and Digitally Controlled Duty/Phase Calibration Buffer,” in IEEE Journal of Solid-State Circuits, vol. 57, no. 11, pp. 3336-3347, Nov. 2022, doi: 10.1109/JSSC.2022.3172467

  • Kyung-Sik Choi, Keun-Mok Kim, Dzuhri Radityo Utomo, In-Young Lee, and Sang-Gug Lee, “A Fully-Integrated 490 GHz CMOS Receiver Adopting Dual-Locking Receiver-Based FLL," in IEEE Journal of Solid-State Circuits, vol. 57, no. 9, pp. 2626-2639, Sept. 2022, doi: 10.1109/JSSC.2022.3159656

  • Kyung-Sik Choi, Jinho Ko, Keun-Mok Kim, Jusung Kim, and Sang-Gug Lee, “A 0.3-to-1-GHz IoT Transmitter Employing Pseudo-Randomized Phase Switching Modulator and Single-Supply Class-G Harmonic Rejection PA,” in IEEE Journal of Solid-State Circuits, vol. 57, no. 3, pp. 892-905, March 2022, doi: 10.1109/JSSC.2021.3096945

Woo-Young Choi

최우영

공과대학 전기전자공학과

연구분야

초고속 회로 및 시스템

  • An 80-Gb/s/pin single-ended voltage-mode PAM-4 transmitter with a pulsewidth pre-emphasis and a 4-tap FFE in 28-nm CMOS JK Park, DW Rho, SJ Yang, WY Choi IEEE Journal of Solid-State Circuits, 2024

  • Novel monolithic all-silicon coherent transceiver sub-assembly based on ring modulators Y Jo, M Oberon, A Peczek, Y Ji, M Kim, HK Kim, MH Kim, PM Seiler, ...Journal of Lightwave Technology 42 (20), 7298-7306, 2024

  • A 4-λ× 28-gb/s/λ silicon ring-resonator-based wdm receiver with a reconfigurable temperature controller HK Kim, JH Lee, M Kim, Y Jo, S Lischke, C Mai, L Zimmermann, WY Choi Journal of Lightwave Technology 42 (7), 2296-2302, 2023

  • A 20 Gb/s CMOS single-chip 850 nm optical receiver SJ Yang, JH Lee, MJ Lee, WY Choi Journal of Lightwave Technology 42 (13), 4525-4530, 2024

  • A Large-Signal SPICE Model for VCSEL Based on Piece-wise Linear RLC Elements K Kim, JS Kim, JY Kim, WY Choi IEEE Photonics Technology Letters, 2024

Beom-Seob Ham

함범섭

공과대학 전기전자공학과

연구분야

컴퓨터비전

  • Scheduling Weight Transitions for Quantization-Aware Training (International Conference on Computer Vision 2025)

  • Toward INT4 Fixed-Point Training via Exploring Quantization Error for Gradients (European Conference on Computer Vision 2024)

  • Instance-Aware Quantization for Vision Transformers (Conference on Computer Vision and Pattern Recognition 2024)

  • Distance-aware Quantization (International Conference on Computer Vision 2021)

  • Network Quantization with Element-wise Gradient Scaling (Conference on Computer Vision and Pattern Recognition 2021)

Hyung-Jong Ko

고형종

공과대학 시스템반도체공학과

연구분야

반도체 회로설계

  • IEEE Journal of Solid-State Circuits, “A 4 ns Settling Time FVF-Based Fast LDO Using Bandwidth Extension Techniques for HBM3”, 2024

  • IEEE Solid-State Circuits Letters, “An 8-nm 20-Gb/s/pin Single-Ended PAM-4 Transceiver With Pre/Post-Channel Switching Jitter Compensation and DQS-Driven Biasing”, 2024

  • IEEE Journal of Solid-State Circuits, “A 16-Gb T-Coil-Based GDDR6 DRAM With Merged-MUX TX, Optimized WCK Operation, and Alternative-Data-Bus Achieving 27-Gb/s/Pin in NRZ”, 2023

  • IEEE Transactions on Circuits and Systems II: Express Briefs, “A 12-Gb/s Baud-Rate Clock and Data Recovery With 75% Phase-Detection Probability by Precoding and Integration-Hold-Reset Frontend”, 2023

  • IEEE Transactions on Components, Packaging and Manufacturing Technology, “Novel Optimization Methodology of Design Parameters in High-Speed Differential Via for PCIe Gen5 Channels Based on Particle Swarm Optimization Algorithm”, 2023

Hyung-Seob Kim

김형섭

공과대학 시스템반도체공학과

연구분야

반도체 소자·공정

  • IEEE Journal of Solid-State Circuits, “A 4 ns Settling Time FVF-Based Fast LDO Using Bandwidth Extension Techniques for HBM3”, 2024

  • IEEE Solid-State Circuits Letters, “An 8-nm 20-Gb/s/pin Single-Ended PAM-4 Transceiver With Pre/Post-Channel Switching Jitter Compensation and DQS-Driven Biasing”, 2024

  • IEEE Journal of Solid-State Circuits, “A 16-Gb T-Coil-Based GDDR6 DRAM With Merged-MUX TX, Optimized WCK Operation, and Alternative-Data-Bus Achieving 27-Gb/s/Pin in NRZ”, 2023

  • IEEE Transactions on Circuits and Systems II: Express Briefs, “A 12-Gb/s Baud-Rate Clock and Data Recovery With 75% Phase-Detection Probability by Precoding and Integration-Hold-Reset Frontend”, 2023

  • IEEE Transactions on Components, Packaging and Manufacturing Technology, “Novel Optimization Methodology of Design Parameters in High-Speed Differential Via for PCIe Gen5 Channels Based on Particle Swarm Optimization Algorithm”, 2023

Jun-Seo Lim

임준서

공과대학 시스템반도체공학과

연구분야

Chip Architecture

  • IEEE International Solid-State Circuits Conference, "A 0.64μm 4-Photodiode 1.28μm 50Mpixel CMOS Image Sensor with 0.98e- Temporal Noise and 20Ke- Full-Well Capacity Employing Quarter-Ring Source-Follower", 2023

  • IEEE Symposium on VLSI Technology and Circuits, "An Indirect Time-of-Flight CMOS Image Sensor Achieving Sub-ms Motion Lagging and 60fps Depth Image from On-chip ISP", 2023

  • International Electron Devices Meeting, "Optical design of dispersive metasurface nano-prism structure for high sensitivity CMOS image sensor", 2023

  • IEEE Symposium on VLSI Technology and Circuits, "A 0.6 ㎛ Small Pixel for High Resolution CMOS Image Sensor with Full Well Capacity of 10,000e- by Dual Vertical Transfer Gate Technology", 2022

  • International Electron Devices Meeting, "A 140 dB Single-Exposure Dynamic-Range CMOS Image Sensor with In-Pixel DRAM Capacitor", 2022

In-Taek Han

한인택

공과대학 시스템반도체공학과

연구분야

반도체 소자·재료

  • Nature Communication, “Interplay between electrochemical reactions and mechanical responses insilicon-graphite anodes and its impact on degradation, 2021, IF 17.69

  • Nature Energy, “High-energy long-cycling all-solid-state lithium metal batteries enabled by silver-carbon composite anode”, 2020, IF:

Woon-Haeng Heo

허운행

공과대학 시스템반도체공학과

연구분야

AI / SW Solution Platform Research (인공지능 / 소프트웨어 솔루션 플랫폼 연구)

  • IEEE International conference on Electronics, Circuits and Systems, “DVFS method of memory hierarchy based on CPU microarchitectural information”, 2022, IF:

  • IEEE Vehicular Technology Conference, “An adaptive and Rotated Transmission for Physical layer Security”, 2022, IF:

  • IEEE International Conference on Consumer Electronics, “A new DVFS algorithm to minimize energy consumption on system-on-chip architecture and electrical characteristics”, 2022, IF:

  • IEEE Vehicular Technology Conference, “ An Enhanced Cell Reselection Scheme for Dual SIM Dual Standby User Equipment in 5G networks”, 2021, IF:

  • IEEE Vehicular Technology Conference, The Reinforcement Learning based Interference Whitening Scheme for 5G“, 2021, IF: