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:
Dec. 30, 2008
Filed:
Jul. 17, 2007
Toshitaka Uchikoba, Hyogo, JP;
Hiroyuki Sadakata, Osaka, JP;
Toshitaka Uchikoba, Hyogo, JP;
Hiroyuki Sadakata, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
In a semiconductor memory, a sub bit line hierarchical switch is provided correspondingly to each sub bit line between the sub bit line and a main bit line corresponding to the sub bit line, and a complementary sub bit line hierarchical switch is provided correspondingly to each complementary sub bit line between the complementary sub bit line and a complementary main bit line corresponding to the complementary sub bit line. Furthermore, the semiconductor memory includes a hierarchical switch control unit for turning off all the sub bit line hierarchical switch and the complementary sub bit line hierarchical switch when a given signal is input.