Memory controller, flash memory system having memory...

Details Memory controller, flash memory system having memory... Memory controller, flash memory system having memory...

2006-03-28

2006-03-28

Sparks, Donald (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S005000, C711S102000, C711S205000, C711S206000, C365S230030, C365S236000

Reexamination Certificate

active

07020739

ABSTRACT:
An object of the present invention is to provide a memory controller that can perform a series of data write operations so as to complete the data writing at high speed.A memory controller includes means for dividing the physical blocks into a plurality of groups, means for forming a plurality of virtual blocks by virtually combining a plurality of physical blocks each of which belongs to a different group, and means for assigning adjacent host addresses to different physical blocks belonging to the same virtual block. Thus, when a host computer issues a request to access the plurality of successive host addresses, the physical blocks to be accessed are different physical blocks. Since the physical blocks to be accessed can therefore operate independently, a series of operations can be performed in parallel.

REFERENCES:
patent: 5457658 (1995-10-01), Niijima
patent: 5835935 (1998-11-01), Estakhri
patent: 5930193 (1999-07-01), Achiwa et al.
patent: 6119214 (2000-09-01), Dirks
patent: 6172906 (2001-01-01), Estakhri et al.
patent: 6295599 (2001-09-01), Hansen et al.
patent: 6721843 (2004-04-01), Estakhri

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