Chang-Kyo Lee

23 papers C 2Journal 10Unranked 11
YearRankTypeTitle / Venue / Authors
2023 J jnl
Q-Learning based Collision Avoidance for 802.11 Stations with Maximum Requirements.
KSII Trans. Internet Inf. Syst.
Chang-Kyo Lee, Dong Hyun Lee, Junseok Kim, Xiaoying Lei, Seung Hyong Rhee
2021 J jnl
An 8.5-Gb/s/Pin 12-Gb LPDDR5 SDRAM With a Hybrid-Bank Architecture, Low Power, and Speed-Boosting Techniques.
IEEE J. Solid State Circuits
Chang-Kyo Lee, Hyung-Joon Chi, Jin-Seok Heo, Junghwan Park, Jin-Hun Jang, Dongkeon Lee, Jaehoon Jung, Dong-Hun Lee, Dae-Hyun Kim, Kihan Kim, Sang-Yun Kim, Dukha Park, Youngil Lim, Geuntae Park, Seungjun Lee, Seungki Hong, Dae-Hyun Kwon, Isak Hwang, Byongwook Na, Kyungryun Kim, Seouk-Kyu Choi, Hye-In Choi, Hangi-Jung, Wonil Bae, Jeong-Don Ihm, Seung-Jun Bae, Nam Sung Kim, Jung-Bae Lee
2020 — conf
22.2 An 8.5Gb/s/pin 12Gb-LPDDR5 SDRAM with a Hybrid-Bank Architecture using Skew-Tolerant, Low-Power and Speed-Boosting Techniques in a 2nd generation 10nm DRAM Process.
ISSCC
Hyung-Joon Chi, Chang-Kyo Lee, Junghwan Park, Jin-Seok Heo, Jaehoon Jung, Dongkeon Lee, Dae-Hyun Kim, Dukha Park, Kihan Kim, Sang-Yun Kim, Jinsol Park, Hyunyoon Cho, Sukhyun Lim, YeonKyu Choi, Youngil Lim, Daesik Moon, Geuntae Park, Jin-Hun Jang, Kyungho Lee, Isak Hwang, Cheol Kim, Younghoon Son, Gil-Young Kang, Kiwon Park, Seungjun Lee, Su-Yeon Doo, Chang-Ho Shin, Byongwook Na, Ji-Suk Kwon, Kyung Ryun Kim, Hye-In Choi, Seouk-Kyu Choi, Soobong Chang, Wonil Bae, Hyuck-Joon Kwon, Young-Soo Sohn, Seung-Jun Bae, Kwang-Il Park, Jung-Bae Lee
2020 J jnl
A 7.5 Gb/s/pin 8-Gb LPDDR5 SDRAM With Various High-Speed and Low-Power Techniques.
IEEE J. Solid State Circuits
Kyung-Soo Ha, SeungSeob Lee, Youn-Sik Park, Hyuck-Joon Kwon, Tae-Young Oh, Young-Soo Sohn, Seung-Jun Bae, Kwang-Il Park, Jung-Bae Lee, Chang-Kyo Lee, Dongkeon Lee, Daesik Moon, Hyong-Ryol Hwang, Dukha Park, Young-Hwa Kim, Young Hoon Son, Byongwook Na
2020 J jnl
Interpretation of Impact-Echo Testing Data from a Fire-Damaged Reinforced Concrete Slab Using a Discrete Layered Concrete Damage Model.
Sensors
Chang-Kyo Lee, Seong-Hoon Kee, Jun Won Kang, Byong-Jeong Choi, Jin Woo Lee
2019 — conf
A 5Gb/s/pin 16Gb LPDDR4/4X Reconfigurable SDRAM with Voltage-High Keeper and a Prediction-based Fast-tracking ZQ Calibration.
VLSI Circuits
Jin-Seok Heo, Kihan Kim, Dong-Hoon Lee, Chang-Kyo Lee, Daesik Moon, Kiho Kim, Jin-Hyeok Baek, Sung-Woo Yoon, Hui-Kap Yang, Kyungryun Kim, Youngjae Kim, Bokgue Park, Su-Jin Park, Joung-Wook Moon, Jae-Hyung Lee, Yun-Sik Park, Soobong Jang, Seok-Hun Hyun, Hyuck-Joon Kwon, Jung-Hwan Choi, Young-Soo Sohn, Seung-Jun Bae, Kwang-Il Park, Jung-Bae Lee
2019 — conf
A 7.5Gb/s/pin LPDDR5 SDRAM With WCK Clocking and Non-Target ODT for High Speed and With DVFS, Internal Data Copy, and Deep-Sleep Mode for Low Power.
ISSCC
Kyung-Soo Ha, Chang-Kyo Lee, Dongkeon Lee, Daesik Moon, Jin-Hun Jang, Hyong-Ryol Hwang, Hyung-Joon Chi, Junghwan Park, Seungjun Shin, Dukha Park, Sang-Yun Kim, Sukhyun Lim, Kiwon Park, YeonKyu Choi, Young-Hwa Kim, Younghoon Son, Hyunyoon Cho, Byongwook Na, Hyo-Joo Ahn, SeungSeob Lee, Seouk-Kyu Choi, Youn-Sik Park, Seok-Hun Hyun, Soobong Chang, Hyuck-Joon Kwon, Jung-Hwan Choi, Tae-Young Oh, Young-Soo Sohn, Kwang-Il Park, Seong-Jin Jang
2019 J jnl
Noise analysis of replica driving technique and its verification to 12-bit 200 MS/s pipelined ADC.
IET Circuits Devices Syst.
Chang-Kyo Lee, Seung-Tak Ryu
2018 — conf
A 16Gb LPDDR4X SDRAM with an NBTI-tolerant circuit solution, an SWD PMOS GIDL reduction technique, an adaptive gear-down scheme and a metastable-free DQS aligner in a 10nm class DRAM process.
ISSCC
Ki Chul Chun, Yonggyu Chu, Jin-Seok Heo, Tae-sung Kim, Soohwan Kim, Hui-Kap Yang, Mi-Jo Kim, Chang-Kyo Lee, Ju-Hwan Kim, Hyunchul Yoon, Chang-Ho Shin, Sang-uhn Cha, Hyung-Jin Kim, Young-Sik Kim, Kyungryun Kim, Young-Ju Kim, Won-Jun Choi, Daesik Yim, Inkyu Moon, Young-Ju Kim, Junha Lee, Young Choi, Yongmin Kwon, Sung-Won Choi, Jung-Wook Kim, Yoon-Suk Park, Woongdae Kang, Jinil Chung, Seunghyun Kim, Yesin Ryu, Seong-Jin Cho, Hoon Shin, Hangyun Jung, Sanghyuk Kwon, Kyuchang Kang, Jongmyung Lee, Yujung Song, Youngjae Kim, Eun-Ah Kim, Kyung-Soo Ha, Kyoung-Ho Kim, Seok-Hun Hyun, Seung-Bum Ko, Jung-Hwan Choi, Young-Soo Sohn, Kwang-Il Park, Seong-Jin Jang
2018 — conf
A sub-0.85V, 6.4GBP/S/Pin TX-Interleaved Transceiver with Fast Wake-Up Time Using 2-Step Charging Control and VOHCalibration in 20NM DRAM Process.
VLSI Circuits
Jin-Hyeok Baek, Chang-Kyo Lee, Kiho Kim, Daesik Moon, Gil-Hoon Cha, Jin-Seok Heo, Min-Su Ahn, Dong-Ju Kim, Jae-Joon Song, Seokhong Kwon, Jongmin Kim, Kyung-Soo Kim, Jinoh Ahn, Jeong-Sik Nam, Byung-Cheol Kim, Jeong-Hyeon Cho, Jeonghoon Oh, Seung-Jun Bae, Indal Song, Seok-Hun Hyun, Ilgweon Kim, Hyuck-Joon Kwon, Young-Soo Sohn, Jung-Hwan Choi, Kwang-Il Park, Seong-Jin Jang
2018 J jnl
Dual-Loop Two-Step ZQ Calibration for Dynamic Voltage-Frequency Scaling in LPDDR4 SDRAM.
IEEE J. Solid State Circuits
Chang-Kyo Lee, Junha Lee, Kiho Kim, Jin-Seok Heo, Jin-Hyeok Baek, Gil-Hoon Cha, Daesik Moon, Dong-Hun Lee, Jong-Wook Park, Seunseob Lee, Si-Hyeong Cho, Young-Ryeol Choi, Kyung-Soo Ha, Eunsung Seo, Youn-Sik Park, Seung-Jun Bae, Indal Song, Seok-Hun Hyun, Hyuck-Joon Kwon, Young-Soo Sohn, Jung-Hwan Choi, Kwang-Il Park, Seong-Jin Jang
2018 — conf
Performance Test of LTE-R Railway Wireless Communication at High-Speed (350 km/h) Environments.
ICUFN
Mahn-Suk Yoon, Sung-Hun Lee, Chang-Kyo Lee, Soo-Hyun Cho, Wan-Jin Ko
2017 — conf
23.2 A 5Gb/s/pin 8Gb LPDDR4X SDRAM with power-isolated LVSTL and split-die architecture with 2-die ZQ calibration scheme.
ISSCC
Chang-Kyo Lee, Yoon-Joo Eom, Jin-Hee Park, Junha Lee, Hye-Ran Kim, Kihan Kim, Young Choi, Ho-Jun Chang, Jonghyuk Kim, Jong-Min Bang, Seungjun Shin, Hanna Park, Su-Jin Park, Young-Ryeol Choi, Hoon Lee, Kyong-Ho Jeon, Jae-Young Lee, Hyo-Joo Ahn, Kyoung-Ho Kim, Jung-Sik Kim, Soobong Chang, Hyong-Ryol Hwang, Duyeul Kim, Yoon-Hwan Yoon, Seok-Hun Hyun, Joon-Young Park, Yoon-Gyu Song, Youn-Sik Park, Hyuck-Joon Kwon, Seung-Jun Bae, Tae-Young Oh, Indal Song, Yong-Cheol Bae, Jung-Hwan Choi, Kwang-Il Park, Seong-Jin Jang, Gyo-Young Jin
2017 — conf
Dual-loop 2-step ZQ calibration for dedicated power supply voltage in LPDDR4 SDRAM.
A-SSCC
Chang-Kyo Lee, Junha Lee, Kiho Kim, Jin-Seok Heo, Gil-Hoon Cha, Jin-Hyeok Baek, Daesik Moon, Yoon-Joo Eom, Tae-sung Kim, Hyunyoon Cho, Young Hoon Son, Seonghwan Kim, Jong-Wook Park, Sewon Eom, Si-Hyeong Cho, Young-Ryeol Choi, SeungSeob Lee, Kyoung-Soo Ha, Youngseok Kim, Bo-Tak Lim, Dae-Hee Jung, Eungsung Seo, Kyoung-Ho Kim, Yoon-Gyu Song, Youn-Sik Park, Tae-Young Oh, Seung-Jun Bae, Indal Song, Seok-Hun Hyun, Joon-Young Park, Hyuck-Joon Kwon, Young-Soo Sohn, Jung-Hwan Choi, Kwang-Il Park, Seong-Jin Jang
2015 — conf
A 6.4Gb/s/pin at sub-1V supply voltage TX-interleaving technique for mobile DRAM interface.
VLSIC
Chang-Kyo Lee, Min-Su Ahn, Daesik Moon, Kiho Kim, Yoon-Joo Eom, Won-Young Lee, Jongmin Kim, Sanghyuk Yoon, Baekkyu Choi, Seokhong Kwon, Joon-Young Park, Seung-Jun Bae, Yong-Cheol Bae, Jung-Hwan Choi, Seong-Jin Jang, Gyo-Young Jin
2014 J jnl
A 10-Bit 40-MS/s Pipelined ADC With a Wide Range Operating Temperature for WAVE Applications.
IEEE Trans. Circuits Syst. II Express Briefs
Ghil-Geun Oh, Chang-Kyo Lee, Seung-Tak Ryu
2014 — conf
Real-time 3D human pose recognition from reconstructed volume via voxel classifiers.
Three-Dimensional Image Processing, Measurement (3DIPM), and Applications
ByungIn Yoo, Changkyu Choi, Jae-Joon Han, Chang-Kyo Lee, Wonjun Kim, Sungjoo Suh, Dusik Park, Junmo Kim
2013 J jnl
A Replica-Driving Technique for High Performance SC Circuits and Pipelined ADC Design.
IEEE Trans. Circuits Syst. II Express Briefs
Chang-Kyo Lee, Wan Kim, Hyun-Wook Kang, Seung-Tak Ryu
2012 J jnl
A Two-Channel Asynchronous SAR ADC With Metastable-Then-Set Algorithm.
IEEE Trans. Very Large Scale Integr. Syst.
Sang-Hyun Cho, Chang-Kyo Lee, Sang-Gug Lee, Seung-Tak Ryu
2011 J jnl
A 550-μW 10-b 40-MS/s SAR ADC With Multistep Addition-Only Digital Error Correction.
IEEE J. Solid State Circuits
Sang-Hyun Cho, Chang-Kyo Lee, Jong-Kee Kwon, Seung-Tak Ryu
2010 — conf
A 550µW 10b 40MS/s SAR ADC with multistep addition-only digital error correction.
CICC
Sang-Hyun Cho, Chang-Kyo Lee, Jong-Kee Kwon, Seung-Tak Ryu
2009 C conf
A Time-interleaved Flash-SAR Architecture for High Speed A/D Conversion.
ISCAS
Ba Sung, Sang-Hyun Cho, Chang-Kyo Lee, Jong-In Kim, Seung-Tak Ryu
2007 C conf
Design of a 1-Volt and µ-power SARADC for Sensor Network Application.
ISCAS
Sang-Hyun Cho, Chang-Kyo Lee, Jong-In Song