* Corresponding Author

2024

• *Woong Choi, "S²RAM: Optimization of SRAM With Memory Access Patterns," in IEEE Access, vol. 12, pp. 32971-32982, 2024.

• Dain Chon, and *Woong Choi, "Hardware Efficient Transposable 8T SRAM for Orthogonal Data Access," in IEEE Access, vol. 12, pp. 981-992, 2024.

2022

• M. Shim, J. Jeong, J. Song, Y. Kim and *W. Choi, "Segmented Match-Line and Charge-Sharing Based Low-Cost TCAM," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 12, pp. 5104-5108, Dec. 2022.

2021

• S. Kim, W. Choi, and Y. Lim, “Metal Object Detection in a Wireless High-Power Transfer System Using Phase–Magnitude Variation,” Electronics, vol. 10, no. 23, Art. no. 23, Jan. 2021.

• Woong Choi, Minseob Shim, Hyelin Seok, and Yongtae Kim, "DCPA: Approximate Adder Design Exploiting Dual Carry Prediction", IEICE Electronics Express, vol. 18, no. 23, pp. 20210431–20210431, 2021.

2020

• Jinil Chung, Woong Choi, Jongsun Park, and Swaroop Ghosh, "Domain Wall Memory based Design of Deep Neural Network Convolutional Layers" IEEE Access, vol. 8, no. 1, pp. 19783-19798, Jan. 2020.

• Heetak Kim, Hoyoung Tang, Woong Choi, and Jongsun Park, "An Energy-Quality Scalable STDP Based Sparse Coding Processor With On-Chip Learning Capability," in IEEE Transactions on Biomedical Circuits and Systems, vol. 14, no. 1, pp. 125-137, Feb. 2020. 

• Kyeongho Lee, *Woong Choi, and Jongsun Park, "A 65nm 0.6 fJ/Bit/Search Ternary Content Addressable Memory Using Adaptive Matchline Discharge Scheme", IEEE Journal of Solid States Circuits, vol. 56, no. 8, pp. 2574-2584, Dec. 2020.

2018

• Yong-Seok Lim, Woong Choi, Yongju Park, Sangwook Oh, Younghun Kim, and Jongsun Park, "A Novel One-Body Dual Laser Profile based Vibration Compensation in 3D Scanning Measurement", Measurement (Springer), vol. 130, pp. 455-466, Dec. 2018.

• Woong Choi, Kyungrak Choi, and Jongsun Park, "Low Cost Convolutional Neural Network Accelerator Based on Bi-directional Filtering and Bit-width Reduction", IEEE Access, vol. 6, pp. 14734-14746, Mar. 2018.

2017

• Gyuseong Kang, Woong Choi, and Jongsun Park, "Embedded DRAM-Based Memory Customization for Low-Cost FFT processor Design", IEEE Transactions on VLSI Systems (TVLSI), vol. 25, no. 12, pp. 3484-3494, Dec. 2017.

• Woong Choi, and Jongsun Park, "Improved Perturbation Vector Generation Method for Accurate SRAM Yield Estimation", IEEE Transactions on CAD of Integrated Circuits and Systems (TCAD), vol. 36, no. 9, pp. 1511-1521, Sep. 2017.

• Kyungho Shin, Woong Choi, and Jongsun Park, "Half-Select Free and Bit-Line Sharing 9T SRAM for Reliable Supply Voltage Scaling", IEEE Transactions on Circuits and Systems I (TCAS-I), vol. 64, no. 8, pp. 2036-2048, Aug. 2017.

2016~

• Woong Choi, and Jongsun Park, "A Charge-Recycling Assist Technique for Reliable and Low Power SRAM Design", IEEE Transactions on Circuits and Systems I (TCAS-I), vol. 63, no. 8, pp. 1164-1175, Aug. 2016.

• Woong Choi, Gyuseong Kang, and Jongsun Park, "A Refresh-Less eDRAM Macro With Embedded Voltage Reference and Selective Read for an Area and Power Efficient Viterbi Decoder", IEEE Journal of Solid States Circuits (JSSC), vol.50, no.10, pp. 2451-2462, Oct. 2015.

• Woojin Rim, Woong Choi, and Jongsun Park, "Adaptive Clock Generation Technique for Variation-Aware Sub-threshold Logics" IEEE Transactions on Circuits and Systems II, vol. 59, no. 9, pp. 587-591, Sep. 2012.

2023

• Jaeeun Jeong, Jungeun Park, and *Woong Choi, "Improved Accuracy of Stochastic Accumulator Using Low-Cost Bitonic Sorter", International SoC Conference (ISOCC), Oct. 2023. 

• Jisoo Lee, Daseul Moon, Woohyun Kim, and *Woong Choi, "Design and Analysis of Compound Gates for Lightweight Multiplier", International SoC Conference (ISOCC), Oct. 2023. 

2022

• Yoojeong Yang, Dain Chon, and *Woong Choi, "Hiding Precharge Operation For Improved SRAM Cycle Time", International SoC Conference (ISOCC), Oct. 2022. 

• Dain Chon, Yoojeong Yang, Hayoung Choi, and *Woong Choi, "Hardware-Efficient Barrel Shifter Design Using Customized Dynamic Logic Based MUX", International SoC Conference (ISOCC), Oct. 2022. 

2021

• Kyeongho Lee, Sungsoo Cheon, Joongho Jo, Woong Choi, and Jongsun Park, "A Charge-Sharing based 8T SRAM In-Memory Computing for Edge DNN Acceleration", Design Automation Conference (DAC), July 2021.  

2020

• Kyeongho Lee, Jinho Jeong, Sungsoo Cheon, Woong Choi, and Jongsun Park, "Bit Parallel 6T SRAM In-memory Computing with Reconfigurable Bit-Precision", Design Automation Conference (DAC), July. 2020.

2018

• Woong Choi, Hoonki Kim, Changnam Park, Taejoong Song and Jongsun Park, "Half-and-Half Compare Content Addressable Memory with Charge-Sharing based Selective Match-Line Precharge Scheme", IEEE Symposium on VLSI Circuits (VLSIC), Jun. 2018.

• Woong Choi, Kwanghyo Jeong, Kyungrak Choi, Kyeongho Lee and Jongsun Park, "Content Addressable Memory Based Binarized Neural Network Accelerator Using Time-Domain Signal Processing", Design Automation Conference (DAC), Jun. 2018.

• Woong Choi, Kyeongho Lee and Jongsun Park, "Low Cost Ternary Content Addressable Memory Using Adaptive Matchline Discharging Scheme", IEEE International Symposium on Circuits and Systems (ISCAS), May 2018.

2017~

• Kyungrak Choi, Woong Choi, Kyungho Shin, and Jongsun Park, "Bit-width Reduction and Customized Register for Low Cost Convolutional Neural Network Accelerator", International Symposium on Low Power Electronics (ISLPED), July 2017.

• Qianying Tang, Chen Zhou, Woong Choi, Gyuseong Kang, Jongsun Park, Keshab Parhi, and Chris. H. Kim, “A DRAM based Physical Unclonable Function Capable of Generating >1032 Challenge Response Pairs per 1Kbit Array for Secure Chip Authentication” IEEE Custom Integrated Circuits Conference (CICC), May 2017.

• Woong Choi, Jongsun Park, and Gyuseong Kang, “Dynamic Stability Estimation for Latch-type Voltage Sense Amplifier,” International SoC Design Conference, 2014, pp. 218–219. (IEIE Best Paper Award 2014)

International

• Jongsun Park, Woong Choi and Kwanghyo Jeong, "Processor in Memory Supporting Binary Convolution Operation and Method of Operating the Same", pending for US patent, US patent application number: 16/253,332 Jan. 22, 2019.

• Jongsun Park, and Woong Choi, “Bi-directional FIFO Memory and Convolution Processing Device Using The Same” pending for US patent 15/987,072 May. 23, 2018.

• Jongsun Park, and Woong Choi, “Method for SRAM Yield Estimation” pending for US patent, US patent application number: 15/821,134, Nov. 22, 2017.

• Jongsun Park, and Woong Choi, “Systems and Methods for Processing Data” issued on Oct. 03, 2017, US patent US 9,779,787. pending for US patent Aug. 20, 2015.

• Jongsun Park, and Woong Choi, “Static Random Access Memory and Method for Driving The Same” issued on Oct. 11, 2016, US patent US 9,466,359. pending for US patent Aug. 20, 2015.

• Jongsun Park, Woong Choi, Woojin Rim, Taejung Song and Kyuhong Kim, “Memory Device Including Reference Voltage Generator” issued on Dec. 20, 2016, US patent US 9,524,772. pending for US patent Jul. 07, 2015.

Domestic

• Woong Choi, Yoojeong Yang, and Dain Chon, "Embedded Memory for Artificial Neural Network Accelerator and its Driving Method", 10-2021-0145685, 2021-10-28.

• Jongsun Park, Woong Choi, and Geon Ko, "Content Addressable Memory Device With Charge Sharing Based Selective Match Line Precharging Scheme", 10-2019-0071958, Jun. 18, 2019.

• Woong Choi, "Low Cost Ternary Content Addressable Memory Using Adaptive Matchline Discharging Scheme" pending for KR patent 10-2019-0057973 May. 17, 2019.

• Jongsun Park, and Woong Choi, "Artificial Neural Network Device and Operation Method Thereof" pending for KR patent 10-2018-0014121 Feb. 05, 2018.

• Jongsun Park, and Woong Choi, "Bi-directional FIFO Memory and Convolution Processing Device Using The Same" pending for KR patent 10-2017-0063623 May. 23, 2017.

• Jongsun Park, and Woong Choi, "Method for SRAM Yield Estimation" issued on Jun. 25, 2018, KR patent KR 10-1872823. pending for KR patent 10-2017-0025989 Feb. 28, 2017.

• Jongsun Park, Woong Choi, Woojin Rim, Taejung Song and Kyuhong Kim, “Memory Device Including Reference Voltage Generator” pending for KR patent 10-2014-0103774 Aug. 11, 2014.

• Jongsun Park, and Woong Choi, “Static Random Access Memory and Method for Driving The Same” issued on Apr. 20, 2016, KR patent KR 10-1615742. pending for Korea patent 10-2014-0036140 Mar. 27, 2014.

• Jongsun Park, and Woong Choi, “Digital Signal Processor and Method for Inputting and Outputting Data” issued on Dec. 01, 2014, KR patent KR 10-1469869. pending for KR patent 10-2013-0054497 May. 14, 2013.