High speed nonvolatile memory device using parallel writing...

Details High speed nonvolatile memory device using parallel writing... High speed nonvolatile memory device using parallel writing...

2006-06-09

2009-11-17

Elmore, Stephen C (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S005000, C711S103000, C711S149000

Reexamination Certificate

active

07620784

ABSTRACT:
Described is a high speed nonvolatile memory device and technology that includes a controller coupled via interfaces to sets of nonvolatile storage, such as separate flash memory chips or separate regions of a single chip. The controller includes logic that processes write requests of arbitrary size, by interleaving writes among the interfaces, including by parallel writing among the interfaces. For example, the data may be received via direct memory access (DMA) transfers. The controller maintains information to allow the interleaved data to be reassembled into its correct relative locations when read back, such as by DMA. The high speed nonvolatile memory device thus provides a hardware device and software solution that allows a personal computer to rapidly boot or resume from a reduced power state such as hibernation. The high speed nonvolatile memory device also may be used for other data storage purposes, such as caching and file storage.

REFERENCES:
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patent: 5701516 (1997-12-01), Cheng et al.
patent: 6957293 (2005-10-01), Moertl et al.
patent: 6965527 (2005-11-01), Fasoli et al.
patent: 7017037 (2006-03-01), Fortin et al.

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