Timing yield enhancement through soft edge flip-flop based design. - Michael Wieckowski; Young Min Park; Carlos Tokunaga; Dong Woon Kim; Zhiyoong Foo; Dennis Sylvester; David T. Blaauw (CICC, 2008)

A Low-Voltage Processor for Sensing Applications With Picowatt Standby Mode. - Scott Hanson; Mingoo Seok; Yu-Shiang Lin; Zhiyoong Foo; Daeyeon Kim; Yoonmyung Lee; Nurrachman Liu; Dennis Sylvester; David T. Blaauw (IEEE J. Solid State Circuits, 2009)

A case for custom silicon in enabling low-cost information technology for developing regions. - Zhiyoong Foo; David Devescery; Thomas Schmid 002; Nathan Clark; R. Frank; Mohammad Hassan Ghaed; Ye-Sheng Kuo; Inhee Lee 001; Youn Sung Park; Zach Renner; Nathaniel Slottow; Vikas Vinay; et al. (ACM DEV, 2010)

Millimeter-scale nearly perpetual sensor system with stacked battery and solar cells. - Gregory K. Chen; Matthew Fojtik; Daeyeon Kim; David Fick; Junsun Park; Mingoo Seok; Mao-Ter Chen; Zhiyoong Foo; Dennis Sylvester; David T. Blaauw (ISSCC, 2010)

In situ delay-slack monitor for high-performance processors using an all-digital self-calibrating 5ps resolution time-to-digital converter. - David Fick; Nurrachman Liu; Zhiyoong Foo; Matthew Fojtik; Jae-sun Seo; Dennis Sylvester; David T. Blaauw (ISSCC, 2010)

Early detection of oxide breakdown through in situ degradation sensing. - Prashant Singh; Zhiyoong Foo; Michael Wieckowski; Scott Hanson; Matthew Fojtik; David T. Blaauw; Dennis Sylvester (ISSCC, 2010)

A 0.5 V Sub-Microwatt CMOS Image Sensor With Pulse-Width Modulation Read-Out. - Scott Hanson; Zhiyoong Foo; David T. Blaauw; Dennis Sylvester (IEEE J. Solid State Circuits, 2010)

A 660pW multi-stage temperature-compensated timer for ultra-low-power wireless sensor node synchronization. - Yoonmyung Lee; Bharan Giridhar; Zhiyoong Foo; Dennis Sylvester; David T. Blaauw (ISSCC, 2011)

A 467nW CMOS visual motion sensor with temporal averaging and pixel aggregation. - Gyouho Kim; Mahmood Barangi; Zhiyoong Foo; Nathaniel Ross Pinckney; Suyoung Bang; David T. Blaauw; Dennis Sylvester (ISSCC, 2013)

M3: a mm-scale wireless energy harvesting sensor platform. - Pat Pannuto; Yoonmyung Lee; Zhiyoong Foo; David T. Blaauw; Prabal Dutta (ENSSys@SenSys, 2013)

A Millimeter-Scale Energy-Autonomous Sensor System With Stacked Battery and Solar Cells. - Matthew Fojtik; Daeyeon Kim; Gregory K. Chen; Yu-Shiang Lin; David Fick; Junsun Park; Mingoo Seok; Mao-Ter Chen; Zhiyoong Foo; David T. Blaauw; Dennis Sylvester (IEEE J. Solid State Circuits, 2013)

A Sub-nW Multi-stage Temperature Compensated Timer for Ultra-Low-Power Sensor Nodes. - Yoonmyung Lee; Bharan Giridhar; Zhiyoong Foo; Dennis Sylvester; David T. Blaauw (IEEE J. Solid State Circuits, 2013)

A Low-Cost Audio Computer for Information Dissemination Among Illiterate People Groups. - Zhiyoong Foo; David Devescery; Mohammad Hassan Ghaed; Inhee Lee 001; Abishek Madhavan; Youn Sung Park; Aswin S. Rao; Zach Renner; Nathan Roberts; Aaron Schulman; Vikas Vinay; Michael Wieckowski; et al. (IEEE Trans. Circuits Syst. I Regul. Pap., 2013)

MBus: A 17.5 pJ/bit/chip portable interconnect bus for millimeter-scale sensor systems with 8 nW standby power. - Ye-Sheng Kuo; Pat Pannuto; Gyouho Kim; Zhiyoong Foo; Inhee Lee 001; Benjamin P. Kempke; Prabal Dutta; David T. Blaauw; Yoonmyung Lee (CICC, 2014)

Circuit techniques for miniaturized biomedical sensors. - Inhee Lee 001; Yejoong Kim; Suyoung Bang; Gyouho Kim; Hyunsoo Ha; Yen-Po Chen; Dongsuk Jeon; Seokhyun Jeong; Wanyeong Jung; Mohammad Hassan Ghaed; Zhiyoong Foo; Yoonmyung Lee; et al. (CICC, 2014)

Dual-slope capacitance to digital converter integrated in an implantable pressure sensing system. - Sechang Oh 001; Yoonmyung Lee; Jingcheng Wang; Zhiyoong Foo; Yejoong Kim; David T. Blaauw; Dennis Sylvester (ESSCIRC, 2014)

24.3 An implantable 64nW ECG-monitoring mixed-signal SoC for arrhythmia diagnosis. - Dongsuk Jeon; Yen-Po Chen; Yoonmyung Lee; Yejoong Kim; Zhiyoong Foo; Grant H. Kruger; Hakan Oral; Omer Berenfeld; Zhengya Zhang; David T. Blaauw; Dennis Sylvester (ISSCC, 2014)

A millimeter-scale wireless imaging system with continuous motion detection and energy harvesting. - Gyouho Kim; Yoonmyung Lee; Zhiyoong Foo; Pat Pannuto; Ye-Sheng Kuo; Benjamin P. Kempke; Mohammad Hassan Ghaed; Suyoung Bang; Inhee Lee 001; Yejoong Kim; Seokhyeon Jeong; Prabal Dutta; et al. (VLSIC, 2014)

A Fully-Integrated 71 nW CMOS Temperature Sensor for Low Power Wireless Sensor Nodes. - Seokhyeon Jeong; Zhiyoong Foo; Yoonmyung Lee; Jae-Yoon Sim; David T. Blaauw; Dennis Sylvester (IEEE J. Solid State Circuits, 2014)

An Ultra-Low Power Fully Integrated Energy Harvester Based on Self-Oscillating Switched-Capacitor Voltage Doubler. - Wanyeong Jung; Sechang Oh 001; Suyoung Bang; Yoonmyung Lee; Zhiyoong Foo; Gyouho Kim; Yiqun Zhang 002; Dennis Sylvester; David T. Blaauw (IEEE J. Solid State Circuits, 2014)

An ultra-low-power biomedical chip for injectable pressure monitor. - Inhee Lee 001; Wanyeong Jung; Hyunsoo Ha; Seokhyeon Jeong; Yejoong Kim; Gyouho Kim; Zhiyoong Foo; Jae-Yoon Sim; Dennis Sylvester; David T. Blaauw (BioCAS, 2015)

MBus: an ultra-low power interconnect bus for next generation nanopower systems. - Pat Pannuto; Yoonmyung Lee; Ye-Sheng Kuo; Zhiyoong Foo; Benjamin P. Kempke; Gyouho Kim; Ronald G. Dreslinski; David T. Blaauw; Prabal Dutta (ISCA, 2015)

A 10.6mm3 fully-integrated, wireless sensor node with 8GHz UWB transmitter. - Hyeongseok Kim; Gyouho Kim; Yoonmyung Lee; Zhiyoong Foo; Dennis Sylvester; David T. Blaauw; David D. Wentzloff (VLSIC, 2015)

An Injectable 64 nW ECG Mixed-Signal SoC in 65 nm for Arrhythmia Monitoring. - Yen-Po Chen; Dongsuk Jeon; Yoonmyung Lee; Yejoong Kim; Zhiyoong Foo; Inhee Lee 001; Nicholas B. Langhals; Grant H. Kruger; Hakan Oral; Omer Berenfeld; Zhengya Zhang; David T. Blaauw; et al. (IEEE J. Solid State Circuits, 2015)

A Dual-Slope Capacitance-to-Digital Converter Integrated in an Implantable Pressure-Sensing System. - Sechang Oh 001; Yoonmyung Lee; Jingcheng Wang; Zhiyoong Foo; Yejoong Kim; Wanyeong Jung; Ziyun Li; David T. Blaauw; Dennis Sylvester (IEEE J. Solid State Circuits, 2015)

8.5 A 60%-efficiency 20nW-500µW tri-output fully integrated power management unit with environmental adaptation and load-proportional biasing for IoT systems. - Wanyeong Jung; Junhua Gu; Paul D. Myers; Minseob Shim; Seokhyeon Jeong; Kaiyuan Yang 001; Myungjoon Choi; Zhiyoong Foo; Suyoung Bang; Sechang Oh 001; Dennis Sylvester; David T. Blaauw (ISSCC, 2016)

26.7 A 10mm3 syringe-implantable near-field radio system on glass substrate. - Yao Shi 001; Myungjoon Choi; Ziyun Li; Gyouho Kim; Zhiyoong Foo; Hun-Seok Kim; David D. Wentzloff; David T. Blaauw (ISSCC, 2016)

A 10 mm3 Inductive Coupling Radio for Syringe-Implantable Smart Sensor Nodes. - Yao Shi 001; Myungjoon Choi; Ziyun Li; Zhihong Luo; Gyouho Kim; Zhiyoong Foo; Hun-Seok Kim; David D. Wentzloff; David T. Blaauw (IEEE J. Solid State Circuits, 2016)

MBus: A System Integration Bus for the Modular Microscale Computing Class. - Pat Pannuto; Yoonmyung Lee; Ye-Sheng Kuo; Zhiyoong Foo; Benjamin P. Kempke; Gyouho Kim; Ronald G. Dreslinski; David T. Blaauw; Prabal Dutta (IEEE Micro, 2016)

7.4 A 915MHz asymmetric radio using Q-enhanced amplifier for a fully integrated 3×3×3mm3 wireless sensor node with 20m non-line-of-sight communication. - Li-Xuan Chuo; Yao Shi 001; Zhihong Luo; Nikolaos Chiotellis; Zhiyoong Foo; Gyouho Kim; Yejoong Kim; Anthony Grbic; David D. Wentzloff; Hun-Seok Kim; David T. Blaauw (ISSCC, 2017)

Circuit and System Designs of Ultra-Low Power Sensor Nodes With Illustration in a Miniaturized GNSS Logger for Position Tracking: Part I - Analog Circuit Techniques. - Taekwang Jang; Gyouho Kim; Benjamin P. Kempke; Michael B. Henry; Nikolaos Chiotellis; Carl Pfeiffer; Dongkwun Kim; Yejoong Kim; Zhiyoong Foo; Hyeongseok Kim; Anthony Grbic; Dennis Sylvester; et al. (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

Circuit and System Designs of Ultra-Low Power Sensor Nodes With Illustration in a Miniaturized GNSS Logger for Position Tracking: Part II - Data Communication, Energy Harvesting, Power Management, and Digital Circuits. - Tae-Kwang Jang; Gyouho Kim; Benjamin P. Kempke; Michael B. Henry; Nikolaos Chiotellis; Carl Pfeiffer; Dongkwun Kim; Yejoong Kim; Zhiyoong Foo; Hyeongseok Kim; Anthony Grbic; Dennis Sylvester; et al. (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)