The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 07, 2015

Filed:

Jul. 19, 2013
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;

Inventor:

Yasuyuki Nozuyama, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/00 (2006.01); G06F 17/50 (2006.01); H03K 3/012 (2006.01); G01R 31/3185 (2006.01);
U.S. Cl.
CPC ...
G06F 17/5068 (2013.01); G06F 17/5045 (2013.01); H03K 3/012 (2013.01); G01R 31/318536 (2013.01);
Abstract

A semiconductor integrated circuit according to one embodiment includes a plurality of flip-flop groups configured by dividing a plurality of flip-flops, connected in series, for carrying out a serial operation of serially transferring data, a continuous signal determination circuit configured to output a first signal if outputs of the flip-flops contained in the flip-flop group match, and output a second signal in other cases; and a clock gating circuit configured not to provide a clock signal when receiving the first signal and to provide a clock signal when receiving the second signal with respect to the flip-flops other than a head of the flip-flop group.


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