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. 02, 2008
Filed:
Feb. 09, 2005
Yasumichi Mori, Ikoma, JP;
Masahiko Watanabe, Kohriyama, JP;
Yasumichi Mori, Ikoma, JP;
Masahiko Watanabe, Kohriyama, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A nonvolatile semiconductor storing device according to the present invention comprises a block replacing means for replacing a defective block with a redundant block when a memory block in a memory array is the defective block. The block replacing means includes an address translation circuitfor converting an inputted external block address into an internal block address by inverting an address bit corresponding to dissident of each address bit between a defective block address of the defective block and a redundant block address among address bits of the inputted external block address, and each of the memory blocksis selected based on the internal block address after the translation of the external block address inputted from outside by the address translation circuit