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:
Aug. 05, 2002
Applicant:
Inventor:
Hiroshi Takeda, Higashiyamato, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/300 ; G06F 1/328 ; G06F 1/04 ; G06F 3/00 ; H04L 7/00 ;
U.S. Cl.
CPC ...
G06F 1/300 ; G06F 1/328 ; G06F 1/04 ; G06F 3/00 ; H04L 7/00 ;
Abstract
A memory performs its internal operation in response to access requests ( and ) of a CPU in synchronism with the oscillated output of a self-excited oscillator incorporated therein and according to said access requests, and outputs a response request for said access requests to said CPU in synchronism with its internal operation. The CPU performs the access requests for the memory, and fetches data from the outside or outputs the data to the outside in response to and in synchronism with the response request from the accessed memory and according to the kinds of said access requests.