Semiconductor device and control method of semiconductor device

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United States of America Patent

PATENT NO 11422614
APP PUB NO 20210089110A1
SERIAL NO

16801215

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Abstract

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A semiconductor device comprises a central processing device, a first logical circuit, and a serial memory interface circuit. The first logical circuit has a first scan chain in which a first scan pattern is set, is configured to suppress a leakage current when the first scan pattern for power saving is set in the first scan chain. The serial memory interface circuit is configured to acquire the first scan pattern for power saving from an external storage device. The leakage current of the first logical circuit is suppressed by transferring the first scan pattern for power saving acquired by the serial memory interface circuit to the first logical circuit and setting the first scan pattern for power saving in the first scan chain under control of the central processing device.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBA1-1 SHIBAURA 1-CHOME MINATO-KU TOKYO 1050023 ?1050023
TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION1-1 SHIBAURA 1-CHOME MINATO-KU TOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Tatsuo Tokyo, JP 59 846
Katayama, Yasuhiro Fujisawa Kanagawa, JP 16 320
Katori, Daisuke Kawasaki Kanagawa, JP 2 0
Masuda, Shogo Kawasaki Kanagawa, JP 4 18
Oshima, Naoki Yokohama Kanagawa, JP 20 20
Yamaguchi, Michitomo Kawasaki Kanagawa, JP 3 0

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