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Parallel access virtual channel memory system    

Custom CD of patents similar to US6477621 : Parallel access virtual channel memory system - $19.95
United States Patent6477621   
Link to this pagehttp://www.wikipatents.com/6477621.html
Inventor(s)Lee; Jeffery H. (Sunnyvale, CA); Ando; Manabu (Los Gatos, CA)
AbstractA memory system having a main memory which is coupled to a plurality of parallel virtual access channels. Each of the virtual access channels provides a set of memory access resources for controlling the main memory. These memory access resources include cache resources (including cache chaining), burst mode operation control and precharge operation control. A plurality of the virtual access channels are cacheable virtual access channels, each of which includes a channel row cache memory for storing one or more cache entries and a channel row address register for storing corresponding cache address entries. One or more non-cacheable virtual access channels are provided by a bus bypass circuit. Each virtual access channel is addressable, such that particular memory masters can be assigned to access particular virtual access channels.
   














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Parallel access virtual channel memory system - US Patent 6477621 Drawing
Parallel access virtual channel memory system
Inventor     Lee; Jeffery H. (Sunnyvale, CA); Ando; Manabu (Los Gatos, CA)
Owner/Assignee     NEC Electronics, Inc. (Santa Clara, CA)
Patent assignment
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Company News
Publication Date     November 5, 2002
Application Number     09/438,001
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     November 10, 1999
US Classification     711/120 710/31 710/38 711/118 711/119 711/147 711/150
Int'l Classification     G06F  012/08
Examiner     Peikari; B. James
Assistant Examiner    
Attorney/Law Firm     Campbell Stephenson Ascolese LLP
Address
Parent Case     RELATED APPLICATION This application is a divisional application from U.S. patent application Ser. No. 08/746,829, which was filed on Nov. 18, 1996.
Priority Data    
USPTO Field of Search     711/118 711/119 711/120 711/147 711/150 710/38 710/31
Patent Tags     parallel access virtual channel memory
   
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