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:
Jul. 22, 2003
Filed:
Mar. 25, 2002
Applicant:
Inventors:
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 8/00 ; G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 8/00 ; G11C 7/00 ;
Abstract
Clock switching circuitry includes a memory having a plurality of storage locations of a particular address each and configured to allow data to be written in and read out at the same time. The circuitry further includes a write pointer, a read pointer, a synchronizing circuit, a conflict detector, and a conflict avoiding circuit. The circuitry detects a conflict with high reliability and facilitates design using a CAD (Computer Aided Design) tool.