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:
Oct. 26, 1993
Filed:
Jul. 07, 1992
Applicant:
Inventors:
Richard Blasco, Auburn, CA (US);
Basant Khaitan, Palo Alto, CA (US);
Tony J Chiang, Fremont, CA (US);
Tahir Sheikh, Fremont, CA (US);
Assignee:
Hitachi Microsystems, Inc., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395425 ; 364D / ; 3642434 ; 36424341 ; 36424343 ; 3642443 ; 395250 ;
Abstract
A memory buffer for buffering data from an external memory to a processor including a cache memory, a first-in-first-out memory, a direct data path, a writing selector for writing data from the external memory to one of the cache memory, first-in-first-out memory and direct data path, a reading selector for reading data from one of the cache memory, first-in-first-out memory and direct data path and a controller for controlling the writing and reading selectors in response to the occurrence of certain conditions.