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:
Mar. 03, 2009
Filed:
May. 26, 2006
Noboru Asauchi, Nagano-ken, JP;
Eitaro Otsuka, Nagano-ken, JP;
Noboru Asauchi, Nagano-ken, JP;
Eitaro Otsuka, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
When writing 16-bit write data to the memory arraywhich can store data of 8 bits per 1 row, the semiconductor memory devicefirst writes the upper 8 bits to the 1st write restricted row of the memory array. The increment controllerdetermines whether or not the value of the existing data written to the memory arrayand the write data used for writing latched to the 8-bit latch registermatch. When the existing data and the write data match, the increment controlleroutputs the write enable signal WENto the write/read controllerand executes the writing of the lower 8 bits of write data to the memory array