News and Activities

Aug, 2018: We will present a paper on high-capacity fingerprint recognition system in IEEE Biomedical Circuits and Systems Conference (BioCAS) 2018. Congrats, all the authors! LINK
July, 2018: Teng's paper on the in-situ and in-field aging monitoring technique for embedded SRAM has been accepted for the publication in IEEE Transactions on VLSI Systems. Congrats, all the coauthors!
May, 2018: Jiangyi's paper on the 96-channel DSP-PMU SoC for a neural implant is accepted for the publication in IEEE European Solid-State Circuits Conference (ESSCIRC). This chip can perform the end-to-end signal processing for intercellular-spike based motor intention decoding at sub-microwatt power consumption, which is 10X lower than prior arts. The chip also features error-based power management hardware for the nanowatt DSP core. It can automatically find the setting of the integrated switched-capacitor DCDC converter to minimize the total power dissipation of the SoC. This is a collaborative work with Joonseong Kang, Seungchul Jung, and Sang Joon Kim (Samsung SAIT). LINK
May, 2018: Josh's journal paper on ultra-compact thermal sensor for dynamic thermal management is accepted for the publication in the special issue of Journal of Low Power Electronics and Applications. Congrats!
May, 2018: Dongkwun's paper on the compact switched-capacitor converter design based on the better-than-worst-case design methodology is accepted for the publication in 2018 ACM/IEEE International Symposium on Low-Power Electronics and Design (ISLPED). This is a collaborative work with several researchers from Intel Circuit Research Lab (CRL) (Drs. Minki Cho, Ram Krishnamurthy, Seongjong Kim, Suhwan Kim, Suyoung Bang) LINK
May, 2018: Sheng's paper on the ML processor for monitoring and blacklisting the security attack via power management subsystems is accepted for the publication in 2018 ACM/IEEE International Symposium on Low-Power Electronics and Design (ISLPED). This is a collaborative work with Dr. Adrian Tang and Prof. Simha Sethumadhavan. Congrats! LINK
Mar, 2018: Doyun's paper on self-triggering event-driven digital LDO circuits is accepted for the publication in 2018 Symposium on VLSI Circuits. Congrats! LINK
Mar, 2018: Zhewei's paper on in-memory computing macro for binary and ternary deep neural network is accepted for the publication in 2018 Symposium on VLSI Circuits. Congrats! This is a collaborative work with Prof. Jae-sun Seo's group in ASU. LINK
Mar, 2018: Prof. Seok is promoted to the associate professor.
Mar, 2018: Prof. Seok will serve as a technical program committee member (digital circuits) for IEEE International Solid-State Circuits Conference (ISSCC) from 2018.
Mar, 2018: Prof. Seok is elevated to the grade of IEEE Senior Member.
Jan, 2018: Our group will present an invited paper on in-situ and in-field transistor aging monitoring and compensation for logic and memory circuits in 2018 IRPS. LINK.
Dec, 2017: Jiangyi's paper on the transformable cache for a temperature sensor and a PUF is accepted for publication in the JSSC special issue. Congrats! LINK.
Oct, 2017: Minhao's paper on the 1-microwatt voice activity detector design is accepted for publication in 2018 ISSCC. Congrats! LINK.
Aug, 2017: Doyun's paper on the event-driven compact LDO design is accepted for publication in JSSC. Congrats! LINK.
July, 2017: We will present two collaborative papers in the upcoming MICRO. LINK.
Jun, 2017: Wei Jin's paper on near and sub-Vt pulsed latch pipeline is accepted for publication in JSSC. Congrats! LINK.
Jun, 2017: Two papers will be presented in 2017 European Solid-State Circuits Conference (ESSCIRC) this Sep. Congrats on Josh and Joao! LINK.
May, 2017: Our paper on the energy-harvesting converter adpative to power mismatch is accepted for IEEE Journal of Solid-State Circuits (JSSC). Congrats Jiangyi! LINK.
May, 2017: Joao receives the prestigious Qualcomm Innovation Fellowship (QinF). This is a joint award with Tom Repetti (PhD. student in Prof. Martha Kim's group). Congrats to the team! LINK.
May, 2017: Two papers, one on continuous-time comparator and the other on dynamic thermal management, are accepted for IEEE/ACM International Symposium on Low Power Electronics and Design (ISLPED). Congrats Sung, Doyun, and Pavan.
Feb, 2017: The paper titled “A Technique to Transform 6T-SRAM Arrays Into Robust Analog PUF with Minimal Overhead” is accepted for IEEE International Symposium on Circuits and Systems (ISCAS). Congrats Jiangyi and Teng.
Jan, 2017: The paper titled “An Area-Efficient Microprocessor-SoC with an Instruction-Cache Transformable to a Temperature Sensor and a Physically Unclonable Function” is accepted for IEEE Custom Integrated Circuits Conference (CICC). Congrats Teng, Jiangyi, and Minhao. This work is a collaborative work with Prof. Peter Kinget.
Nov, 2016: Two papers titled “Extending Memory Capacity of Neural Associative Memory based on Recursive Synaptic Bit Reuse” and “Microwatt End-to-End Digital Neural Signal Processing Systems for Motor Intention Decoding” are accepted for Design, Automation, and Test in Europe (DATE). Congrats Tianchan and Zhewei. The first paper is a collaborative work with Prof. Xiaoyang Zeng (Fudan University) and the second one is with Drs. Chisung Bae, Joonseong Kang, Sang Joon kim (all Samsung Advanced Institute of Technology).
Oct, 2016: The paper titled “In-Situ Error Detection Techniques in Ultra-Low-Voltage Pipelines: Analysis and Optimizations” is accepted for IEEE Transactions on VLSI Systems (TVLSI). Congrats Wei and Josh. This is a collaborative work with Profs. He and Mao (SJTU).
Oct, 2016: The paper titled “A 0.5V-VIN 1.44mA-Class Event-Driven Digital LDO with a Fully-Integrated 100pF Output Capacitor” is accepted for IEEE International Solid-State Circuits Conference (ISSCC). Congrats Doyun!
Aug, 2016: The paper titled “Neural Network based Seizure Detection System using Raw EEG Data” is accepted for IEEE International SoC Design Conference (ISOCC) as a part of the special session on Computational Devices, Circuits and Systems. Congrats Tianchan. This is a collaborative work with Prof. Letian Huang (UESTC) and Prof. Xiaoyang Zeng (Fudan Univ).
Aug, 2016: Two papers titled “A 0.35V 1.3pJ/Cycle 20MHz 8-Bit 8-Tap FIR Core Based on Wide-Pulsed-Latch Pipelines” and “Triple-Mode Photovoltaic Power Management: Achieving High Efficiency against Harvesting and Load Variability” are accepted for IEEE Asian Solid-State Circuits Conference (A-SSCC). Congrats, Wei, Jiangyi, and Josh. The former is a collaborative work with Profs. He and Mao (SJTU) and the latter is with Profs. Kymissis (Columbia) and Seo (ASU).
Jun, 2016: The paper titled “Energy-Efficient Neuromorphic Classifier,” is accepted for Neural Computation. This is a collaborative work with Prof. Fusi.
Jun, 2016: The paper titled “Ultra-Compact and Robust Physically-Unclonable-Function based on Voltage-Compensated Proportional-to-Absolute-Temperature Voltage Generators,” is accepted for IEEE Journal of Solid-State Circuits (JSSC). Congrats, Jiangyi.
Jun, 2016: The paper titled “High-Accuracy Compressed Sensing Decoder Based on Adaptive (l0,l1) Complex Approximate Message Passing: Cross-Layer Design,” is accepted for the publication in the IEEE Transactions on Circuits and Systems I (TCAS-I). Congrats, Le. This is a collaborative work with Prof. X. Wang.
Jun, 2016: The paper titled “Register File Circuits and Post-Deployment Framework to Monitor Aging Effects in Field,” is accepted for the publication in the IEEE European Solid-State Circuits Conference (ESSCIRC). Congrats, Teng. This is a collaborative work with Prof. Kinget.
May, 2016: The paper titled “Temporarily Fine-Grained Sleep Technique for Near- and Sub-Threshold Parallel Architectures,” is accepted for the publication in the IEEE Transaction on VLSI Systems (TVLSI). Congrats, Joao.
Mar, 2016: The paper titled “1.74-uW/ch, 95.3%-Accurate Spike-Sorting Hardware based on Bayesian Decision,” is accepted for publication in IEEE Symposium on VLSI Circuits (VLSI). Congrats Zhewei, Joao, and Josh.
Mar, 2016: The paper titled “A 450mV Timing-Margin-Free Waveform Sorter based on Body Swapping Error Correction,” is accepted for publication in IEEE Symposium on VLSI Circuits (VLSI). Congrats Josh and Joao.
Mar, 2016: The paper titled “Energy-Efficient Hybrid Analog/Digital Approximate Computation in Continuous Time,” is accepted for publication in IEEE Journal of Solid-State Circuits (JSSC). Congrats Ning, Yipeng, and other students. This is a collaborative work with Profs. Tsividis and Sethumadhavan.
Mar, 2016: The paper titled “Evaluation of an Analog Accelerator” is accepted for publication in IEEE International Symposium on Computer Architecture (ISCA). Congrats Yipeng and Ning. This is a collaborative work with Profs. Sethumadhavan and Tsividis.
Feb, 2016: We receive a grant from Office of Research Initiative for the research on learning machine systems. We appreciate the support.
Dec, 2015: We receive a grant from SK Hynix for IC design research. We appreciate the company's support.
Nov, 2015: We will present Our on-going work on adaptive design at the 2016 ISSCC Student Research Preview (SRP) session (Student work in progress). Congrats Josh and Joao!
Oct, 2015: The paper titled “Fully-Integrated Low Drop-Out Regulator based on Event-Driven PI Control” is accepted for publication in IEEE International Solid-State Circuits Conference (ISSCC). Congrats Doyun!
Aug, 2015: The paper titled “Ultra-compact and Voltage-Scalable Temperature Sensor Design for Dense Dynamic Thermal Management Techniques” is accepted for publication in IEEE Journal of Solid-State Circuits (JSSC). Congrats Teng and Josh!
Aug, 2015: Prof. Seo from ASU will present the joint work at IFIP/IEEE Internationl Conference on VLSI and System-on-Chip (VLSI-SoC) in his invited presentation titled “Digital CMOS Neuromorphic Processor Design Featuring Unsupervised Online Learning”.
Jul, 2015: The paper entitled “Energy-Optimal Voltage Model Supporting a Wide Range of Nodal Switching Rtes for Early Design-Space Exploration” is accepted for publication in IEEE International Conference on Computer Design (ICCD). Congrats Doyun and Jiangyi.
Jul, 2015: The research proposal to Samsung GRO on ultra-low-power microsystem design technology is awarded.
Jun, 2015: The paper titled “A 30.1μm2, < ±1.1°C-3σ-Error, 0.4-to-1.0V Temperature Sensor based on Direct Threshold-Voltage Sensing for On-Chip Dense Thermal Monitoring,” is accepted for publication in IEEE Custom Integrated Circuits Conference(CICC). Congrats Josh!
Jun, 2015: An NSF SBIR-I proposal which Prof. Seok will contribute to as a consultant is awarded.
May, 2015: The paper titled “Continuous-Time Hybrid Computation with Programmable Nonlinearities” is accepted for publication in European Solid-State Circuits Conference. Congrats Ning and other co-authors. This is a collaboration work with Profs. Tsividis and Sethumadhavan.
Apr, 2015: The paper titled “A Neuromorphic Neural Spike Clustering Processor for Deep-Brain Sensing and Stimulation Systems,” is accepted for publication in IEEE International Symposium on Low Power Electronics and Design (ISLPED). Congrats Beinuo and Zhewei!
Apr, 2015: Prof. Seok serves as a TPC track co-chair for 2015 ISLPED and as a TPC member for 2015 S3S.
Mar, 2015: The paper titled “Variation-Tolerant Near-threshold Microprocessor Design with Low-Overhead, Within-a-Cycle In-situ Error Detection and Correction Technique,” is accepted for publication in IEEE Journal of Solid-State Circuits (JSSC). Congrats Josh!
Mar, 2015: Zhewei Jiang received the scholarship for a part of his PhD study from Wei Family Private Foundation. Congrats Zhewei!
Mar, 2015: We will present a paper titled “A 3.07um^2/bitcell Physically Unclonable Function with 3.5% and 1% Bit-Instability across 0 to 80oC and 0.6 to 1.2V in a 65nm CMOS” at 2015 IEEE Symposium on VLSI Circuits (VLSI). Congrats Jiangyi!
Mar, 2015: We will present a paper titled “Co-Development of Complementary Technology and Modified-CPL Family for Organic Digital Integrated Circuits” at Material Research Society (MRS). Congrats Fabio. This work is a collaboration with Prof. Kymissis group.
Feb, 2015: We will present a paper titled “A Low Power Unsupervised Spike Sorting Accelerator Insensitive to Clustering Initialization in Sub-optimal Feature Space” at 2015 ACM/IEEE/EDAC Design Automation Conference (DAC). Congrats Zhewei!
Jan, 2015: Prof. Seok starts to serve as an associate editor for IEEE Transaction on VLSI Systems
Jan, 2015: Prof. Seok receives 2015 NSF CAREER award
Oct, 2014: Teng Yang and Doyum Kim will present their work on the in-situ technique to in-field monitor NBTI degradation in a register file in 2015 ISSCC. Contrats!
Jul, 2014: Prof. Seok is invited for a talk by International Symposium on New Frontiers in Scientific Innovation, organized by Korea Foundation of Advanced Studies (KFAS) and Chosun Ilbo.
Jul, 2014: Prof. Seok gives a talk in Seoul National University, Korea Advanced Institue of Science and Technology (KAIST), Samsung Electronics, and SK-Hynix, all in South Korea.
Apr, 2014: Prof. Seok co-organizes an workshop on Connected, Autonomously Powered Systems. link
Apr, 2014: We will present two papers in 2014 International Symposium on Low Power Electronics and Design (ISLPED). Congrats Josh!
Mar, 2014: We will present a paper on the ultra-low-power variation-tolerant microprocessor in 2014 Symposium on VLSI Circuits (VLSI). Congrats Josh!
Feb, 2014: We will present a paper on the in-field and direct aging monitoring technique in 2014 Design Automation Conference (DAC). Congrats Jiangyi!
Dec, 2013: Prof. Seok starts to serve as the Associate Editor for IEEE Transactions on Circuits and Systems I.
Oct, 2013: We will present a paper on the ultra-compact and voltage-scalable temperature sensors in 2014 ISSCC. Congrats Teng and Josh!
Sep, 2013: Our patent on ultra-compact and picowatt voltage reference circuits is commercially licensed
Aug, 2013: Prof. Seok will present an invited paper in 2013 S3S conference
May, 2013: Prof. Seok Serves as a co-chair of the student design contest in 2013 ISLPED
May, 2013: Prof. Seok serves as a TPC member for 2013 ISLPED
May, 2013: Yu Chen will present his paper in 2013 ISLPED this September. Congrats Yu!
Mar, 2013: Jian Liu will present his paper in 2013 ASYNC. Congrats Jian!
Feb, 2013: We appreciate the supports from DARPA, NSF, and Catalyst Foundation on our research programs.
Feb, 2013: Josh Kim is selected as a Catalyst Foundation Fellow. Congrats, Josh!
Sep, 2012: Prof. Seok serves as a TPC member for 26th International Conference on VLSI Design 2013
May, 2012: Our work on 0.5V 2-Transistor Voltage Reference is accepted for publication in 2012 JSSC
Apr, 2012: We will present one paper in 2012 DAC and two papers in 2012 ISLPED
Apr, 2012: The low-energy FFT core work is invited in 2012 ICICDT
Jan, 2012: Prof. Mingoo Seok joined Electrical Engineering Department in Columbia University
Mar, 2011: The ISSCC talk on 17.7nJ FFT work is well received and invited in the 2011 JSSC
Feb, 2011: Our works on energy-optimal pipelining is accepted in 2011 DAC