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2019
D. S. Truesdell and Calhoun, B. H., A 640 pW 22 pJ/sample Gate Leakage-Based Digital CMOS Temperature Sensor with 0.25°C Resolution, in IEEE Custom Integrated Circuits Conference (CICC) 2019, Austin, TX, 2019.PDF icon A 640 pW 22 pJ_sample Gate Leakage-Based Digital CMOS Temperature Sensor with 0.25C Resolution.pdf (1.81 MB)
D. S. Truesdell, Breiholz, J., Kamineni, S., Liu, N. X., Magyar, A., and Calhoun, B. H., A 6–140-nW 11 Hz–8.2-kHz DVFS RISC-V Microprocessor Using Scalable Dynamic Leakage-Suppression Logic, IEEE Solid-State Circuits Letters (SSCL), 2019.PDF icon A 6–140-nW 11 Hz–8.2-kHz DVFS RISC-V Microprocessor Using Scalable Dynamic Leakage-Suppression Logic (1.63 MB)
S. Li and Calhoun, B. H., A 745pA Hybrid Asynchronous Binary-Searching and Synchronous Linear-Searching Digital LDO with 3.8×105 Dynamic Load Range, 99.99% Current Efficiency, and 2mV Output Voltage Ripple, in IEEE International Solid- State Circuits Conference (ISSCC), San Francisco, CA, 2019.
A. Banerjee, A Double Pumped Single-Line-Cache SRAM Architecture for Ultra-low Energy IoT and Machine Learning Applications, in 32nd International Conference on VLSI Design, 2019.
J. Moody, Dissanayake, A., Bishop, H. L., Lu, R., Liu, N. X., Duvvuri, D., Gao, A., Truesdell, D. S., N. Barker, S., Gong, S., Calhoun, B. H., and Bowers, S. M., A Highly Re-configurable Bit-level Duty Cycled TRF Receiver Achieving -106 dBm Sensitivity and 33 nW Average Power Consumption, IEEE Solid-State Circuits Letters (SSCL), Special Issue on VLSI (invited paper), 2019.
D. S. Truesdell and Calhoun, B. H., Improving Dynamic Leakage Suppression Logic with Forward Body Bias in 65nm CMOS, in IEEE SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S), 2019.
S. Li, Roy, A., and Calhoun, B. H., A Piezoelectric Energy-Harvesting System with Parallel-SSHI Rectifier and Integrated Maximum-Power-Point Tracking, IEEE Solid-State Circuits Letters (SSCL), Special Issue on VLSI (invited paper), 2019.
S. Li, Roy, A., and Calhoun, B. H., A Piezoelectric Energy-Harvesting System with Parallel-SSHI Rectifier and Integrated MPPT Achieving 417% Energy-Extraction Improvement and 97% Tracking Efficiency, in 2019 Symposium on VLSI Circuits, Kyoto, Japan, 2019.
2018
A. Kosari, Breiholz, J., Liu, N. X., Calhoun, B. H., and Wentzloff, D. D., A 0.5 V 68 nW ECG Monitoring Analog Front-End for Arrhythmia Diagnosis, Journal of Low Power Electronics and Applications (JLPEA), 2018.
N. X. Liu, Agarwala, R., Dissanayake, A., Truesdell, D. S., Kamineni, S., Chen, X., Wentzloff, D. D., and Calhoun, B. H., A 2.5 ppm/°C 1.05 MHz Relaxation Oscillator with Dynamic Frequency-Error Compensation and 8 µs Start-Up Time, in IEEE European Solid-State Circuits Conference (ESSCIRC), Dresden, Germany, 2018.
X. Chen, Breiholz, J., Yahya, F. B., Lukas, C. J., Kim, H. - S., Calhoun, B. H., and Wentzloff, D. D., A 486 µW All-Digital Bluetooth Low Energy Transmitter with Ring Oscillator Based ADPLL for IoT applications, in IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2018.
J. Moody, Bassirian, P., Roy, A., Liu, N. X., Pancrazio, S., N. Barker, S., Calhoun, B. H., and Bowers, S. M., A -76dBm 7.4 nW wakeup radio with automatic offset compensation, in International Solid-State Circuits Conference (ISSCC), 2018.
D. S. Truesdell and Calhoun, B. H., Channel Length Sizing for Power Minimization in Leakage-Dominated Digital Circuits, in IEEE SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S), 2018.
O. Ayorinde, Qi, H., and Calhoun, B. H., FGC: A Tool-flow for Generating and Configuring Custom FPGAs, Proceedings of the 2018 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays. ACM, Monterey, CA, 2018.
S. Z. Ahmed, Tan, Y., Truesdell, D. S., Calhoun, B. H., and Ghosh, A., Modeling tunnel field effect transistors-from interface chemistry to non-idealities to circuit level performance, Journal of Applied Physics, 2018.
A. Banerjee, Kamineni, S., and Calhoun, B. H., Multiple Combined Write-Read Peripheral Assists in 6T FinFET SRAMs for Low-VMIN IoT and Cognitive Applications, Proceedings of the International Symposium on Low Power Electronics and Design (ISLPED). IEEE, 2018.
F. B. Yahya, Lukas, C. J., and Calhoun, B. H., A Top-Down Approach to Building Battery-Less Self-Powered Systems for the Internet-of-Things, Journal of Low Power Electronics & Applications, 2018.
C. J. Lukas, Yahya, F. B., and Calhoun, B. H., An Ultra-low Power System On Chip Enabling DVS with SR Level Shifting Latches, in IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, 2018.
2017
J. Breiholz, Yahya, F., Lukas, C. J., Chen, X., Leach, K., Wentzloff, D., and Calhoun, B. H., A 4.4 nW Lossless Sensor Data Compression Accelerator for 2.9x System Power Reduction in Wireless Body Sensors, in 2017 IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), Boston, MA, USA, 2017.
A. Roy and Calhoun, B. H., A 71% Efficient Energy Harvesting and Power Management Unit for Sub-µW Power Biomedical Applications, in 2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Turin, Italy, 2017.
J. Moody, Bassirian, P., Roy, A., Feng, Y., Li, S., Costanzo, R., N. Barker, S., Calhoun, B. H., and Bowers, S. M., An 8.3 nW -72 dBm Event Driven IoE Wake Up Receiver RF Front End, in 2017 European Microwave Integrated Circuit Conference (EuMIC), Nuremberg, Germany, 2017.
F. Yahya, Lukas, C. J., Breiholz, J., Roy, A., Patel, H. N., Liu, N. X., Chen, X., Kosari, A., Li, S., Akella, D., Ayorinde, O., Wentzloff, D. D., and Calhoun, B. H., A battery-less 507nW SoC with integrated platform power manager and SiP interfaces, in 2017 Symposium on VLSI Circuits, Kyoto, Japan, 2017.
F. B. Yahya, Lukas, C. J., and Calhoun, B. H., FAR: A 4.12uW Ferro-electric Auto-Recovery for Battery-less BSN SoCs, in 2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Turin, Italy, 2017.
C. J. Lukas, Yahya, F. B., and Calhoun, B. H., Modeling Trans-threshold Correlations for Reducing Functional Test Time in Ultra-Low Power Systems, in 2017 IEEE International Test Conference (ITC), Fort Worth, TX, USA, 2017.
H. N. Patel, Mann, R. W., and Calhoun, B. H., Soft Errors: Reliability Challenges in Energy-Constrained ULP Body Sensor Networks Applications, in 23rd IEEE International Symposium on On-Line Testing and Robust System Design, Thessaloniki, Greece, 2017.

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