Digital PHY Design Methodologies for High-Speed and Low-Power Memory Interface. - Kwanyeob Chae; Billy Koo; Jihun Oh; Sanghune Park; Jongshin Shin; Jaehong Park (ISOCC, 2018)

An 8nm All-Digital 7.3Gb/s/pin LPDDR5 PHY with an Approximate Delay Compensation Scheme. - Kwanyeob Chae; JongRyun Choi; Hyungkwon Lee; Jinho Choi; Shinyoung Yi 002; Yoonjee Nam; Sangyun Hwang; Joohyung Lee; Won Lee; Kihwan Seong; Joohee Shin; Soo-Min Lee; et al. (VLSI Circuits, 2019)

A 4nm 1.15TB/s HBM3 Interface with Resistor-Tuned Offset-Calibration and In-Situ Margin-Detection. - Kwanyeob Chae; Jiyeon Park; Jaegeun Song; Billy Koo; Jihun Oh; Shinyoung Yi 002; Won Lee; Dongha Kim; Taekyung Yeo; Kyeongkeun Kang; Sangsoo Park; Eunsu Kim; et al. (ISSCC, 2023)

A 4-nm 9.6-Gb/s/pin LPDDR5X PHY With Adaptive Driver Strength Control and Fast Periodic Training for Full DVFS DRAM. - Yoonjae Choi; Jaegeun Song; Daero Kim; Myunggon Kim; Jiyeon Park; Jinho Choi; Changki Kwon; Minho Seo; Jihun Oh; Shinyoung Yi 002; Billy Koo; Kwanyeob Chae; et al. (A-SSCC, 2024)

A 4-nm 1.15 TB/s HBM3 Interface With Resistor-Tuned Offset Calibration and In Situ Margin Detection. - Kwanyeob Chae; Jaegeun Song; Yoonjae Choi; Jiyeon Park; Billy Koo; Jihun Oh; Shinyoung Yi 002; Won Lee; Dongha Kim; Kyeongkeun Kang; Eunsu Kim; Juyoung Kim; et al. (IEEE J. Solid State Circuits, 2024)

TOGGLE6.0: A 4.8Gbps Next Generation Area and Power Efficient Transceiver for Flash Memory Interface. - Hari Vijay Venkatanarayanan; Rustum Prasad Sahu; Maheswara Alamuru; Ergam Reddy Battini; Syed Mohammed Haroon; Saurav Suman; Deepika Mallela; Sanjeeb Kumar Ghosh; Billy Koo (VLSID, 2025)