X. Bai, R. Nebashi, M. Miyamura, Kazunori Funahashi, K. Okamoto, Hideaki Numata, N. Iguchi, T. Sakamoto, M. Tada
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A 0.11pJ/bit read energy embedded NanoBridge non-volatile memory and its integration in a 28nm 32-bit RISC-V microcontroller units
A 28nm 512Kb NanoBridge non-volatile memory is developed for an energy-efficient microcontroller unit. 0.11pJ/bit read energy is achieved by utilizing an inverter sense scheme thanks to large ON/OFF conductance ratio of a split-electrode NanoBridge. The read energy is 71% and 54% less than those of a ReRAM and a SONOS commercial embedded NOR Flash at the same technology node, respectively. Moreover, a 28nm 32-bit RISC-V microcontroller unit embedded with a 2Mb NanoBridge non-voltage memory is fabricated and achieves 80MHz operation frequency.
期刊介绍：
The Japanese Journal of Applied Physics (JJAP) is an international journal for the advancement and dissemination of knowledge in all fields of applied physics. JJAP is a sister journal of the Applied Physics Express (APEX) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).
JJAP publishes articles that significantly contribute to the advancements in the applications of physical principles as well as in the understanding of physics in view of particular applications in mind. Subjects covered by JJAP include the following fields:
• Semiconductors, dielectrics, and organic materials
• Photonics, quantum electronics, optics, and spectroscopy
• Spintronics, superconductivity, and strongly correlated materials
• Device physics including quantum information processing
• Physics-based circuits and systems
• Nanoscale science and technology
• Crystal growth, surfaces, interfaces, thin films, and bulk materials
• Plasmas, applied atomic and molecular physics, and applied nuclear physics
• Device processing, fabrication and measurement technologies, and instrumentation
• Cross-disciplinary areas such as bioelectronics/photonics, biosensing, environmental/energy technologies, and MEMS
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