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:
May. 16, 2000
Filed:
Aug. 29, 1996
Gary F Feierbach, Belmont, CA (US);
Yanhua Sun, Santa Clara, CA (US);
Marcel Dignum, Menlo Park, CA (US);
Norman Hayes, Sunnyvale, CA (US);
Saed Muhssin, San Francisco, CA (US);
Sun Microsystems, Inc., Mountain View, CA (US);
Abstract
A computer system includes a central processing unit with an internal memory controller. The internal memory controller interacts with an external cache and a primary memory through a single unified memory bus. The internal memory controller generates a shared row address that is applied to the unified memory bus during an address fetching operation to simultaneously access a row in primary memory and an address in external cache. The internal memory controller may also generate a shared column address that is applied to the unified memory bus during a data return operation to simultaneously specify a column in primary memory and an address in external cache.