A 0.04mm3 16nW Wireless and Batteryless Sensor System with Integrated Cortex-M0+ Processor and Optical Communication for Cellular Temperature Measurement

Xiao Wu, Inhee Lee, Qing Dong, Kaiyuan Yang, Dongkwun Kim, Jingcheng Wang, Yimai Peng, Yiqun Zhang, Mehdi Saliganc, Makoto Yasuda, Kazuyuki Kumeno, Fumitaka Ohno, Satoru Miyoshi, Masaru Kawaminami, Dennis Sylvester, David Blaauw
June 2018
Project Project DOI

Abstract

This paper demonstrates a complete wireless sensor node for accurate cellular temperature measurement that includes a fully programmable Cortex-M0+ processor, custom SRAM, optical energy harvesting, 2-way communication, and a subthreshold temperature sensor. The temperature resolution is 0.034°C RMS, and the transmit distance extends to 15.6cm. The 0.04mm3( 500× smaller than a grain of rice) fully assembled cellular temperature sensing system (CTS) is 24× smaller than prior programmable sensing systems [3], enabling implantation in a cluster of cells or large egg cells for biological studies.

Type
Conference paper
Publication
2018 IEEE Symposium on VLSI Circuits
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Kaiyuan Yang
Associate Professor of ECE