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:
Jan. 11, 2005
Filed:
Dec. 02, 2002
John Nystuen, Burnsville, MN (US);
John Nystuen, Burnsville, MN (US);
LSI Logic Corporation, Milpitas, CA (US);
Abstract
A controller for a double data rate synchronous dynamic random access memory (SDRAM) includes an address storage block comprising an address storage register for each of a plurality of priority levels for receiving a memory address of a request from an incoming command queue for each of a plurality of priority levels and a priority logic block coupled to the address storage block wherein the priority logic block comprises a first priority register for storing a register number field for each of the plurality of priority levels, a second priority register for storing a request valid field for each of the plurality of priority levels, and a third priority register for storing a state machine address field for each of the plurality of priority levels.