Publication
For a complete list of publications, see Google Scholar.
2024
Flash: A hybrid private inference protocol for deep CNNs with high accuracy and low latency on CPU; Hyeri Roh, Jinsu Yeo, Yeongil Ko, Gu-Yeon Wei, David Brooks, Woo-Seok Choi; arXiv
2023
Hyena: Optimizing homomorphically encrypted convolution for private CNN inference; Hyeri Roh, Woo-Seok Choi; arXiv
NeuralEQ: Neural-network-based equalizer for high-speed wireline communication; Hanseok Kim, Jae Hyung Ju, Hyun Seok Choi, Hyeri Roh, Woo-Seok Choi; arXiv
A PAM4 level mismatch adjustment scheme for 48-Gb/s PAM4 memory tester bridge; Daeho Yun, Minsu Park, Kahyun Kim, Kyungmin Baek, Eonhui Lee, Woo-Seok Choi, Deog-Kyoon Jeong; A-SSCC
A 0.99-pJ/b 10-Gb/s receiver with fast recovery from sleep mode under voltage drift; Kwang-Hoon Lee, Jung-Hun Park, Yongjae Lee, Yeonggeun Song, Seungha Roh, Minkyo Shim, Yoonho Song, Woosong Jung, Young-Ha Hwang, Jonghyun Oh, Woo-Seok Choi, Deog-Kyoon Jeong; TCAS-II
A near-threshold ring-oscillator-based ILCM with edge-selective error detector achieving -64dBc reference-spur and -239dB FOM; Jiwon Shin, Joonghyun Song, Jihee Kim, Woo-Seok Choi; ESSCIRC
A context-aware readout system for sparse touch sensing array using ultra-low-power always-on event detection; Hyeri Roh, Woo-Seok Choi; TCAS-II
Phase noise analysis for stochastically injected oscillators; Jiwon Shin, Woo-Seok Choi; TCAS-II
A 48-Gb/s single-ended PAM-4 receiver with adaptive nonlinearity compensation; Kahyun Kim, Daeho Yun, Kyungmin Baek, Woo-Seok Choi, Deog-Kyoon Jeong; ISCAS
Fast performance evaluation methodology for high-speed memory interfaces; Taehoon Kim, Yoona Lee, Woo-Seok Choi; DATE
2022
Performance variability modeling of analog circuits using improved orthogonal matching pursuit; Hyun Jun Park, Woo-Seok Choi; ISOCC - Best Paper Award
Impala: Low-latency communication-efficient private deep learning inference; Woo-Seok Choi, Brandon Reagen, Gu-Yeon Wei, David Brooks; arXiv
A 32-Gb/s PAM4-binary bridge with sampler offset cancellation for memory testing; Daeho Yun, Eonhui Lee, Woosong Jung, Kahyun Kim, Kyungmin Baek, Jihee Kim, Hyunbae Lee, Byungsun Ko, Woo-Seok Choi, Deog-Kyoon Jeong; TCAS-II
A residue-current-locked hybrid low-dropout regulator supporting ultralow dropout of sub-50mV with fast settling time below 10ns; Young-Ha Hwang, Jonghyun Oh, Woo-Seok Choi, Deog-Kyoon Jeong, Jun-Eun Park; JSSC
0.41-pJ/b/dB asymmetric simultaneous bidirectional transceivers with PAM-4 forward and PAM-2 back channels for 5-m automotive camera link; Yunhee Lee, Woonghee Lee, Minkyo Shim, Soyeong Shin, Woo-Seok Choi, Deog-Kyoon Jeong; VLSI
Energy-efficient high-accuracy spiking neural network inference using time-domain neurons; Joonghyun Song, Jiwon Shin, Hanseok Kim, Woo-Seok Choi; AICAS - Best Paper Award
A low-jitter 8-GHz RO-based ADPLL with PVT-robust replica-based analog closed loop for supply noise compensation; Hyojun Kim, Woosong Jung, Kwandong Kim, Sungwoo Kim, Woo-Seok Choi, Deog-Kyoon Jeong; JSSC
A 2.5 - 32 Gb/s Gen 5-PCIe receiver with multi-rate CDR engine and hybrid DFE; Moon-Chul Choi, Sanghee Lee, Seungha Roh, Kwangho Lee, Jonghyun Oh, Sungwoo Kim, Kwandong Kim, Woo-Seok Choi, Jaeha Kim, Deog-Kyoon Jeong; TCAS-II
Improving spiking neural network accuracy using time-based neurons; Hanseok Kim, Woo-Seok Choi; ISCAS
Area and power efficient 10B6Q PAM-4 DC balance coder for automotive camera link; Woonghee Lee, Minkyo Shim, Yunhee Lee, Heejin Yang, Soyeong Shin, Woo-Seok Choi, Deog-Kyoon Jeong; TCAS-II
2021
0.37-pJ/bit/dB PAM-4 transmitter and adaptive receiver with fixed data and threshold levels for 12-m automotive camera link; Woonghee Lee, Minkyo Shim, Yunhee Lee, Heejin Yang, Han-Gon Ko, Woo-Seok Choi, Deog-Kyoon Jeong; ESSCIRC
Cheetah: Optimizing and accelerating homomorphic encryption for private inference; Brandon Reagen*, Woo-Seok Choi*, Yeongil Ko, Vincent T. Lee, Hsien-Hsin S. Lee, Gu-Yeon Wei, David Brooks; HPCA - IEEE Micro Top Picks Honorable Mention
2020
A 12-Gb/s 10-ns turn-on time rapid on/off baud-rate DFE receiver in 65nm CMOS; Dongwook Kim, Mostafa Ahmed, Woo-Seok Choi, Ahmed Elkholy, Pavan Kumar Hanumolu; JSSC
Inter-University Semiconductor Research Center, Building 104-1, Room 216, 1 Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea