Research Interest

- RF and Mixed-mode System IC Design For T-DMB (Territorial Digital Multimedia Broadcasting) 

- Digital Broadcasting RF System 

- Analog/RF & Mixed-Mode IC Design 

- LNA, Mixer, AGC, VCO, Frequency Synthesizer Design 

- Clock & Data Recovery Circuit Design

BIOGRAPHY

- International Conference Papers

A 330MHz Low Jitter Fast Locking Direct Skew Compensation DLL

Joo-Ho Lee, Seon-Ho Han and Hoi-Jun Yoo

IEEE International Solid State Circuit Conference (ISSCC), pp. 352-353, 2000

The CMOS temperature sensor and cyclic ADC for low power single chip DTCXO

Joo-Ho Lee, Seon-Ho Han and Hoi-Jun Yoo

IEEE International Conference on VLSI and CAD (ICVC), pp. 599-601, 1999

Research Interest

-  Technology Strategy Planning in System IC Industry

BIOGRAPHY

-

Research Interest

- High Performace Memory and High-Speed I/O Design for Embedded Memory System

BIOGRAPHY

- International Conference Papers

A Low Power Reconfigurable I/O DRAM Macro with Single Bit line Writing Scheme

Jeonghoon Kook and Hoi-Jun Yoo

IEEE Proceedings of the 26th ESSCIRC, pp. 384-387, 2000

Research Interest

-  Design of high-performance mixed mode I.C.

BIOGRAPHY

- International Conference Papers

A Multichip-on-Oxide 1.0Gb/s 80dBΩ Fully-Differential CMOS Transimpedance Amplifier for Optical Interconnect Applications

Jaeseo Lee, Seong-Jun Song, Sung Min Park, Choong-Mo Nam, Young-Se Kwon, and Hoi-Jun Yoo

IEEE International Solid State Circuit Conference (ISSCC), vol.1, pp. 80-447, 2002

Design and Implementation of CMOS LVDS 2.5Gb/s Transmitter and 1.3Gb/s Receiver for Optical Interconnections

Jaeseo Lee, Jae-Won Lim, Sung-Jun Song, Sung-Sik Song, Wang-Joo Lee and Hoi-Jun Yoo

IEEE International Symposium on Circuits and Systems (ISCAS), Vol. 4, pp. 702-705, 2001

- Domestic Conference Papers

Design and Implementation of CMOS Transeiver for High Speed Interface

Jaeseo Lee, Jae-Won Lim, Sung-Jun Song, Sung-Sik Song, Wang-Joo Lee and Hoi-Jun Yoo

Korea Conference on Semiconductors (KCS)

Research Interest

-  OLED-driver circuit

-  Frequency Synthesizer 

Education

2004. 2  M.S. in EE, Korea Advanced Institute of Science and Technology

2002. 2  B.S. in Electrical & Computer Engineering, Hanyang University

BIOGRAPHY

- International Journal Papers

A Small Ripple Regulated Charge Pump with Automatic Pumping Control Schemes

Sung-Eun Kim, Seong-Jun Song, Jin Kyung Kim, Sunyoung Kim, Jae-Youl Lee, and Hoi-Jun Yoo

ESSCIRC 2004

CMOS Optical Receiver Chipset for Gigabit Ethernet Applications

Sung-Eun Kim, Seong-Jun Song, Sung Min Park and Hoi-Jun Yoo

IEEE International Symposium on Circuits and Systems (ISCAS), May 2003

Education

2004. 2 M.S. in EE, Korea Advanced Institute of Science and Technology

2002. 2 B.S. in EE, Korea Advanced Institute of Science and Technology

BIOGRAPHY

-

Research Interest

-  Mobile 3D Graphics Library Design 

-  Cache Architecture in Mobile System

Education

2005. 2     M.S. in EE, Korea Advanced Institute of Science and Technology

2003. 2     B.S. in EE, Kyungpook National University

1996. 2     Taegu Hyup-Sung High School

BIOGRAPHY

- International Conference Papers

A Fixed-Point 3D Graphics Library with Energy-Efficient Cache Architecture

Min-Wuk Lee, Byeong-Gyu Nam, Juho Sohn, Namjun Cho, Hyejung Kim, Kwanho Kim and Hoi-Jun Yoo

IEEE International Symposium on Circuits and Systems(ISCAS) 2005

Research Interest

- Open O/S H/W Platform

- 3G Multimedia Mobile Development 

Education

2008. 2     M.S. in EE, Korea Advanced Institute of Science and Technology

2006. 2     B.S. in EE, Korea Advanced Institute of Science and Technology

2002. 2     Kyonggi Science High School

BIOGRAPHY

- International Conference Papers

Dynamic Voltage and Frequency Scaling (DVFS) Scheme for Multi-Domains Power Management  

Jeabin Lee, Byeong-Gyu Nam, and Hoi-Jun Yoo

IEEE Asian Solid-State Circuits Conference(A-SSCC), pp.360-363, Nov. 2007

A Power Management Unit with Continuous Co-Locking of Clock Frequency and Supply Voltage for Dynamic Voltage and Frequency Scaling  

Jeabin Lee, Byeong-Gyu Nam, Seong-Jun Song, Namjun Cho and Hoi-Jun Yoo 

IEEE International Symposium on Circuits and Systems(ISCAS), May 2007

Research Interest

- Body Sensor Network System and Wearable Computer System 

Education

2008. 8     M.S. in EE, Korea Advanced Institute of Science and Technology

2004. 2     B.S. in EE, Korea Advanced Institute of Science and Technology

2002. 2     Seoul Science High School

BIOGRAPHY

- International Journal Papers

Electrical Characterization of Screen-Printed Circuits on the Fabric 

Yongsang Kim, Hyejung Kim, and Hoi-Jun Yoo

IEEE Transactions on Advanced Packaging (TADVP), Vol.33, No.1, pp.196-205, Feb. 2010

Research Interest

-  Network-on-Chip Based SoC Design

-  Low Power DSP

Education

2009. 2     M.S. in EE, Korea Advanced Institute of Science and Technology

2007. 2     B.S. in EE, Korea Advanced Institute of Science and Technology

2003. 2     Hansung Science High School

BIOGRAPHY

- International Conference Papers

A 54GOPS 51.8mW Analog-Digital Mixed Mode Neural Perception Engine for Fast Object Detection

Minsu Kim, Joo-Young Kim, Seungjin Lee, Jinwook Oh, and Hoi-Jun Yoo 

IEEE Custom Integrated Circuits Conference (CICC), Sep. 2009

A 22.8GOPS 2.83mW Neuro-fuzzy Object Detection Engine for Fast Multi-object Recognition

Minsu Kim, Joo-Young Kim, Seungjin Lee, Jinwook Oh, and Hoi-Jun Yoo 

IEEE Symposium on VLSI Circuits (SoVC), June 2009

A 1.55ns 0.015 mm2 64-bit Quad Number Comparator

Minsu Kim, Joo-Young Kim and Hoi-Jun Yoo 

International Symposium on VLSI Design, Automation and Test(VLSI-DAT), April 2009

Education

2010. 8      M.S. Student in EE, Korea Advanced Institute of Science and Technology

2008. 2      B.S. in EE, Korea Advanced Institute of Science and Technology

2004. 2      Seoul Science High School

BIOGRAPHY

- International Conference Papers

An Energy-Efficient Dual Sampling SAR ADC with Reduced Capacitive DAC  

Binhee Kim, Long Yan, Jerald Yoo, Namjun Cho, and Hoi-Jun Yoo 

IEEE International Symposium on Circuits and Systems(ISCAS), May 2009

Education

2011. 2      M.S. in EE, Korea Advanced Institute of Science and Technology

2009. 2      B.S. in EE, Korea Advanced Institute of Science and Technology

2005. 2      Hansung Science High School

BIOGRAPHY

- International Conference Papers

A 22.4 mW Competitive Fuzzy Edge Detection Processor for Volume Rendering

Joonsoo Kwon, Minsu Kim, Jinwook Oh, and Hoi-Jun Yoo

IEEE International Symposium on Circuit and Systems(ISCAS), Jun. 2010

Research Interest

- Biomedical Processor Design 

Education

2015. 9 ~   Ph.D. Student in EE, Korea Advanced Institute of Science and Technology (KAIST)

2015. 8      M.S. in EE, Korea Advanced Institute of Science and Technology (KAIST)

2010. 8      B.S. in Mathematical Sciences, Korea Advanced Institute of Science and Technology (KAIST)

2005. 8      Korea Science Academy of KAIST

BIOGRAPHY

-

Research Interest

- Biomedical Processor Design

Education

2018. 9     M.S. in EE, Korea Advanced Institute of Science and Technology

2016. 8     B.S. Student in EE, Korea Advanced Insititue of Science and Technology

2008. 2     Seoul Science High School 

BIOGRAPHY

-

Research Interest

- Low power deep learning and intelligent vision SoC with memory architecture

Education

2019. 8      M.S. in EE, Korea Advanced Insititue of Science and Technology (KAIST)

2017. 8      B.S. in EE, Kyunghee University

2014. 2      Yushin High School

BIOGRAPHY

- International Journal Papers

Z-PIM: A Sparsity-Aware Processing-in-Memory Architecture With Fully Variable Weight Bit-Precision for Energy-Efficient Deep Neural Networks 

Ji-Hoon Kim, Juhyoung Lee, Jinsu Lee, Jaehoon Heo, and Joo-Young Kim

IEEE Journal of Solid-State Circuits (JSSC), Early Access. 2020

An Ultra-low-power Mixed-mode Face Recognition Processor for Always-on User Authentication in Mobile Device 

Ji-Hoon Kim, Changhyeon Kim, Kwantae Kim, Juhyung Lee, Hoi-Jun Yoo, and Joo-Young Kim

Journal of Semiconductor Science and Technology (JSTS), Dec. 2020

- International Conference Papers

Z-PIM: An Energy-Efficient Sparsity-Aware Processing-In-Memory Architecture with Fully-Variable Weight Precision 

Ji-Hoon Kim, Juhyoung Lee, Jinsu Lee, Hoi-Jun Yoo and Joo-Young Kim

Symposium on VLSI Circuits (SoVC), Jun. 2020

An Ultra-Low-Power Analog-Digital Hybrid CNN Face Recognition Processor Integrated with a CIS for Always-on Mobile Devices

Ji-Hoon Kim, Changhyeon Kim, Kwantae Kim and Hoi-Jun Yoo

IEEE International Symposium on Circuit and Systems (ISCAS), May. 2019

Research Interest

- Biomedical Sensor Front-end

Education

2020. 2     M.S. in EE, Korea Advanced Insititue of Science and Technology (KAIST)

2018. 2      B.S. in EE, Korea University

2014. 2      Busan Science High School

BIOGRAPHY

- International Journal Papers 

FlashMAC: A Time-Frequency Hybrid MAC Architecture With Variable Latency-Aware Scheduling for TinyML Systems 

Surin Gweon, Sanghoon Kang, Kwantae Kim, and Hoi-Jun Yoo

IEEE Journal of Solid-State Circuits (JSSC), Jul. 2022

- International Conference Papers

FlashMAC: An Energy-Efficient Analog-Digital Hybrid MAC with Variable Latency-Aware Scheduling

Surin Gweon, Sanghoon Kang, Donghyeon Han, Kyoung-Rog Lee, Kwantae Kim, Hoi-Jun Yoo

IEEE Asian Conference on Solid-State Circuits (ASSCC), Nov. 2021

93.8% Current Efficiency and 0.672 ns Transient Response Reconfigurable LDO for Wireless Sensor Network Systems

Surin Gweon, Jaehyuk Lee, Kwantae Kim, and Hoi-Jun Yoo

IEEE International Symposium on Circuit and Systems (ISCAS), May. 2019

Research Interest

- Multicore Processor Architecture 

- Deep Learning SoC

Education

2020. 8      M.S. Student in EE, Korea Advanced Insititue of Science and Technology (KAIST)

2018. 7      B.S. in EE, Korea Advanced Insititue of Science and Technology (KAIST)

2013. 2      Gyeonggi Science High School

BIOGRAPHY

-- International Journal Papers

A 0.22–0.89 mW Low-Power and Highly-Secure Always-on Face Recognition Processor with Adversarial Attack Prevention 

Youngwoo Kim, Donghyeon Han, Changhyeon Kim, and Hoi-Jun Yoo

IEEE Transactions on Circuits and Systems II (TCAS-2), May. 2020

-- International Conference Papers

A 0.22–0.89 mW Low-Power and Highly-Secure Always-on Face Recognition Processor with Adversarial Attack Prevention 

Youngwoo Kim, Donghyeon Han, Changhyeon Kim, and Hoi-Jun Yoo

IEEE International Symposium on Circuit and Systems (ISCAS), Oct. 2020

Research Interest

- RISC-V SoC Platform

- Deep Learning SoC

Education

2021. 9 ~   Ph.D. Student in EE, Korea Advanced Insititue of Science and Technology (KAIST) 

2021. 8      M.S. in EE, Korea Advanced Insititue of Science and Technology (KAIST)

2019. 7      B.S. in EE, Fudan University 

2015. 7      Yanbian No.1 High School

Award

BIOGRAPHY

- International Journal P​apers

An Efficient Deep-Learning-Based Super-Resolution Accelerating SoC With Heterogeneous Accelerating and Hierarchical Cache 

Zhiyong Li, Sangjin Kim, Dongseok Im, Dongheon Han, and Hoi-Jun Yoo

IEEE Journal of Solid-State Circuits (JSSC), Dec. 2022

- International Conference Papers

An Energy-efficient High-quality FHD Super-resolution Mobile Accelerator SoC with Hybrid-precision and Energy-efficient Cache Subsystem

Zhiyong Li, Sangjin Kim, Dongseok Im, Donghyeon Han, and Hoi-Jun Yoo

IEEE Symposium on High Performance Chips (HOT Chips), Aug. 2022

An 0.92 mJ/frame High-quality FHD Super-resolution Mobile Accelerator SoC with Hybrid-precision and Energy-efficient Cache 

Zhiyong Li, Sangjin Kim, Dongseok Im, Donghyeon Han, and Hoi-Jun Yoo

IEEE Custom Integrated Circuits Conference (CICC), Apr. 2022

A 3.6 TOPS/W Hybrid FP-FXP Deep Learning Processor with Outlier Compensation for Image-to-Image Application 

Zhiyong Li, Dongseok Im, Jinsu Lee, and Hoi-jun Yoo 

IEEE International Symposium on Circuit and Systems (ISCAS), May. 2021

Research Interest

- Processing-In-Memory (PIM)

- Deep Learning Processor

- Neuromorphic

Education

2022.3 ~   M.S. Student in EE, Korea Advanced Institute of Science and Technology (KAIST) 

2022.2      B.S in EE, Sungkyunkwan University

2015.2      Daeryun High School

BIOGRAPHY

- International Conference Papers

A 15.9 mW 96.5 fps Memory-Efficient 3D Reconstruction Processor with Dilation-based TSDF Fusion and Block-Projection Cache System

Hankyul Kwon, Gwangtae Park, Junha Ryu, Wooyoung Jo, and Hoi-Jun Yoo

IEEE International Symposium on Circuits and Systems (ISCAS), May. 2023

Research Interest

- Deep Learning SoC Design

- Processing-In-Memory (PIM)

Education

2022. 3 ~   M.S. Student in EE, Korea Advanced Insititue of Science and Technology (KAIST) 

2022. 2      B.S. in EE, Korea University

2016. 2      Ulsan Science High School

Award

BIOGRAPHY

- International Journal Papers 

A 92 fps and 2.56 mJ/frame Computing-in-Memory-based Human Pose Estimation Accelerator with Resource-Efficient Macro for Mobile Devices 

Beomseok Kwon, Zhiyong Li, Sangjin Kim, Wooyoung Jo, and Hoi-Jun Yoo

IEEE Transactions on Circuits and Systems II (TCAS-II), Mar. 2023

- International Conference Papers

A 92 fps and 2.56 mJ/Frame Computing-in-Memory-Based Human Pose Estimation Accelerator with Resource-Efficient Macro for Mobile Devices

Beomseok Kwon, Zhiyong Li, Sangjin Kim, Wooyoung Jo, and Hoi-Jun Yoo

IEEE International Symposium on Circuits and Systems (ISCAS), May. 2023

Research Interest

- Processing-In-Memory (PIM)

- Deep Learning SoC

- AI Algorithm

Education

2022.8~    M.S. Student in EE, Korea Advanced Institute of Science and Technology (KAIST) 

2022.7      B.S in Microelectronics, Sichuan University 

2018.7      Chongqing Hechuan High School

BIOGRAPHY

-- International Journal Papers 

An 2.31uJ/Inference Ultra-Low Power Always-on Event-Driven AI-IoT SoC with Switchable nvSRAM Compute-in-Memory Macro

Haoyang Sang, Wenao Xie, Gwangtae Park, and Hoi-Jun Yoo

IEEE Transactions on Circuits and Systems II (TCAS-II), Mar. 2024

 

-- International Conference Papers

An 2.31uJ/Inference Ultra-Low Power Always-on Event-Driven AI-IoT SoC with Switchable nvSRAM Compute-in-Memory Macro

Haoyang Sang, Wenao Xie, Gwangtae Park, and Hoi-Jun Yoo

IEEE International Symposium on Circuits and Systems (ISCAS), May. 2024