Robust Low Power VLSI

VLSI Design Group

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Conference Paper

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.

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.

H. N. Patel, Roy, A., Yahya, F. B., Liu, N., Kumeno, K., Yasuda, M., Harada, A., Ema, T., and Calhoun, B. H., “A 55nm Ultra Low Leakage Deeply Depleted Channel Technology Optimized for Energy Minimization in Subthreshold SRAM and Logic”, in European Solid State Circuits Conference (ESSCIRC), 2016.

H. N. Patel, Roy, A., Yahya, F. B., Liu, N., Kumeno, K., Yasuda, M., Harada, A., Ema, T., and Calhoun, B. H., “A 55nm Ultra Low Leakage Deeply Depleted Channel Technology Optimized for Energy Minimization in Subthreshold SRAM and Logic”, in European Solid State Circuits Conference (ESSCIRC), 2016.

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, Patel, H. N., Chandra, V., and Calhoun, B. H., “Combining SRAM Read/Write Assist Techniques for Near/Sub-Threshold Voltage Operation”, in 6th Asia Symposium on Quality Electronic Design (ASQED 2015), Kuala Lumpur, Malaysia, 2015.

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.

H. Patel, Yahya, F., and Calhoun, B. H., “Improving Reliability and Energy Requirements of Memory in Body Sensor Networks.”, in International Conference on VLSI Design, Kolkata, India, 2016.

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. Patel, Yahya, F., and Calhoun, B., “Optimizing SRAM Bitcell Reliability and Energy for IoT Applications”, in International Symposium on Quality Electronic Design (ISQED), Santa Clara, CA, 2016.

H. N. Patel, Yahya, F. B., and Calhoun, B. H., “Subthreshold SRAM: Challenges, Design Decisions, and Solutions”, in 60th IEEE International Midwest Symposium on Circuits and Systems, Boston, MA, USA, 2017.

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.

Journal Article

C. J. Lukas, Yahya, F. B., Breiholz, J., Roy, A., Chen, X., Patel, H. N., Liu, N. X., Kosari, A., Li, S., Kamakshi, D. Akella, Ayorinde, O., Wentzloff, D. D., and Calhoun, B. H., “A 1.02 μW Battery-Less, Continuous Sensing and Post-Processing SiP for Wearable Applications”, IEEE Transactions on Biomedical Circuits and Systems, 2019.

08625544.pdf (3.22 MB)

A. Roy, Klinefelter, A., Yahya, F., Chen, X., Gonzalez, P., Lukas, C. J., Akella, D., Boley, J., Craig, K., Faisal, M., Oh, S., Roberts, N., Shakhsheer, Y., Shrivastava, A., Vasudevan, D., Wentzloff, D. D., and Calhoun, B., “A 6.45μW Self-Powered SoC with Integrated Energy-Harvesting Power Management and ULP Asymmetric Radios for Portable Biomedical Systems”, IEEE Transactions on Biomedical Circuits and Systems, vol. 9, pp. 862-874, 2015.

X. Chen, Breiholz, J., Yahya, F. B., Lukas, C. J., Kim, H. - S., Calhoun, B. H., and Wentzloff, D. D., “Analysis and Design of an Ultra-Low-Power Bluetooth Low-Energy Transmitter With Ring Oscillator-Based ADPLL and 4 Frequency Edge Combiner”, IEEE Journal of Solid-State Circuits, 2019.

F. Yahya, Patel, H., Boley, J., Banerjee, A., and Calhoun, B. H., “A Sub-threshold 8T SRAM Macro with 12.29nW/KB Standby Power and 6.24 pJ/access for Battery-Less IoT SoCs”, J. Low Power Electron. Appl. (JLPEA), vol. 6, 2016.

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.

Miscellaneous

Y. Yu, Huang, J., Khanna, S., Calhoun, B. H., Lach, J., Shelat, A., and Evans, D., “A Sub-0.5V Lattice-Based Public-Key Encryption Scheme for RFID Platforms in 130nm”. 2011 Workshop on RFID Security, 2011.