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:
Nov. 17, 1992
Filed:
Jul. 27, 1990
Applicant:
Inventors:
Katsunori Sawai, Itami, JP;
Akira Yamada, Itami, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ; G11C / ;
U.S. Cl.
CPC ...
395425 ; 364D / ; 365201 ;
Abstract
A cache memory, which is provided with means for prohibiting generation of an external bus cycle to read the data to be accessed from a main storage and means for prohibiting update of the content of a tag memory when a cache miss is generated under a test mode of its test function in order to shorten the test time by omitting the process of resetting test patterns in both the tag memory and a data memory.