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.
Patent No.:
Date of Patent:
Aug. 07, 2007
Filed:
Jan. 04, 2006
Shinichi Sumi, Kobe, JP;
Yasuhiro Agata, Osaka, JP;
Masanori Shirahama, Otsu, JP;
Toshiaki Kawasaki, Takatsuki, JP;
Ryuji Nishihara, Ibaraki, JP;
Shinichi Sumi, Kobe, JP;
Yasuhiro Agata, Osaka, JP;
Masanori Shirahama, Otsu, JP;
Toshiaki Kawasaki, Takatsuki, JP;
Ryuji Nishihara, Ibaraki, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An electrical fuse circuit of the present invention includes a plurality of electrical fuse cores () each of which has an electrical fuse element () and a switch transistor () connected in series with each other, and shift registers () connected to the plurality of electrical fuse cores () to program the electrical fuse elements (). Program enable signals (Si) are sequentially generated and transferred by the shift registers (), the switch transistors () are sequentially brought into conduct according to the program enable signals (Si) and the information of program data (Di), and the electrical fuse elements () are blown one by one.