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:
May. 31, 2016
Filed:
Jul. 19, 2012
Seiji Miura, Tokyo, JP;
Hiroshi Uchigaito, Tokyo, JP;
Kenzo Kurotsuchi, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A semiconductor device including a nonvolatile memory cell realizes enhancement of reliability and convenience. The semiconductor device includes a nonvolatile memory unit that includes plural overwritable memory cells (CL), and a control circuit that controls access to the nonvolatile memory unit. The control circuit allocates one physical address to a chain memory array CY in the nonvolatile memory unit, for example. The control circuit performs writing to a memory cell (for example, CL) that is apart of the chain memory array CY according to a first write command with respect to the physical address, and performs writing to a memory cell (for example, CL) that is another part thereof according to a second write command with respect to the physical address.