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A Low-Power Microcontroller with Body-Tied SOI Technology
Hisakazu SATO Yasuhiro NUNOMURA Niichi ITOH Koji NII Kanako YOSHIDA Hironobu ITO Jingo NAKANISHI Hidehiro TAKATA Yasunobu NAKASE Hiroshi MAKINO Akira YAMADA Takahiko ARAKAWA Toru SHIMIZU Yuichi HIRANO Takashi IPPOSHI Shuhei IWADE
IEICE TRANSACTIONS on Electronics
Publication Date: 2004/04/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Low-Power System LSI, IP and Related Technologies)
low power, high speed, microcontroller, SOI,
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A low-power microcontroller has been developed with 0.10 µm bulk compatible body-tied SOI technology. For this work, only two new masks are required. For the other layers, existing masks of a prior work developed with 0.18 µm bulk CMOS technology can be applied without any changes. With the SOI technology, the high-speed operation of over 600 MHz has been achieved at a supply voltage of 1.2 V, which is 1.5 times faster than prior work. Also, a five times improvement in the power-delay product has been achieved at a supply voltage 0.8 V. Moreover, the compatibility of the SOI technology with bulk CMOS has been verified, because all circuit blocks of the chip, including logic, memory, analog circuit, and PLL, are completely functional, even though only two new masks are used.