12.1 An FPGA-Accelerated Fully Nonvolatile Microcontroller Unit for Sensor-Node Applications in 40nm CMOS/MTJ-Hybrid Technology Achieving 47.14μW Operation at 200MHz

Masanori Natsui, Daisuke Suzuki, Akira Tamakoshi, Toshinari Watanabe, Hiroaki Honjo, Hiroki Koike, Takashi Nasuno, Yitao Ma, Takaho Tanigawa, Yasuo Noguchi, Mitsuo Yasuhira, Hideo Sato, Shoji Ikeda, Hideo Ohno, Tetsuo Endoh, Takahiro Hanyu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

Recently, the demand for low-power, high-performance microcontroller units (MCUs) for power-supply-critical sensor node applications has been increasing. In response to this demand, the use of nonvolatile memory elements for realizing MCUs for sensor node applications has been actively researched and developed. The latest nonvolatile MCUs (NV-MCUs) demonstrated 32b operation at 30MHz [1] and 8b operation at 100MHz [2]. However, this performance level is not suitable for sensor node applications that process large numbers of received signals and extract valuable information from them immediately to reduce the amount of transfer data to a data center. The use of various nonvolatile devices has also been proposed. However, these devices exhibit critical drawbacks when applied to sensor node applications, including limited endurance and low compatibility with standard CMOS. A spintronics-based nonvolatile device with unlimited endurance, a short switching time, and CMOS compatibility is a promising candidate for designing a low-power, high-performance NV-MCU.

Original languageEnglish
Title of host publication2019 IEEE International Solid-State Circuits Conference, ISSCC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages202-204
Number of pages3
ISBN (Electronic)9781538685310
DOIs
Publication statusPublished - 2019 Mar 6
Event2019 IEEE International Solid-State Circuits Conference, ISSCC 2019 - San Francisco, United States
Duration: 2019 Feb 172019 Feb 21

Publication series

NameDigest of Technical Papers - IEEE International Solid-State Circuits Conference
Volume2019-February
ISSN (Print)0193-6530

Conference

Conference2019 IEEE International Solid-State Circuits Conference, ISSCC 2019
CountryUnited States
CitySan Francisco
Period19/2/1719/2/21

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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