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:
Apr. 07, 2009
Filed:
May. 21, 2007
Tsutomu Nakajima, Higashimurayama, JP;
Keiichi Yoshida, Musashimurayama, JP;
Tsutomu Nakajima, Higashimurayama, JP;
Keiichi Yoshida, Musashimurayama, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
A flash memorybased on the multilevel storage technology for storing the information of two or more bits is provided with four banksto. For example, in the left side of the bank, a data latchis provided along one short side of the bank, while in the right side thereof, a data latchis provided along the other short side of the bank. At the lower side of the data latches, arithmetic circuitsare provided. The data latchesare respectively formed of SRAMs. A sense latchis divided to one half in the right and left directions with reference to the center of sense latch row. The divided sense latchis connected with the data latchesvia the signal lines respectively allocated along both short sides of the bank