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:
Sep. 08, 2009
Filed:
Sep. 20, 2007
Applicant:
Bunsho Kuramori, Tokyo, JP;
Inventor:
Bunsho Kuramori, Tokyo, JP;
Assignee:
Oki Semiconductor Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device includes an array of memory cells and an adjustment circuit for adjusting the pulse width of an address transition detect equalizer (ATDEQ) signal. The adjustment circuit receives an address transition detection (ATD) signal and is responsive to the level changes of voltages Vp and Vn to adjust the pulse width of the ATDEQ signal accordingly. The resulting signal ATDEQ is supplied to a power supply circuit for a bit line selector for selecting a bit line of the array of memory cells. The device can thus accomplish the readouts of bit '0' and bit '1' in a state less liable to delay.