Solid-state memory device with protection against power failure

Details Solid-state memory device with protection against power failure Solid-state memory device with protection against power failure

2007-09-11

2007-09-11

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

11493958

ABSTRACT:
A data preservation system for flash memory systems with a host system, the flash memory system receiving a host system power supply and energizing an auxiliary energy store therewith and communicating with the host system via an interface bus, wherein, upon loss of the host system power supply, the flash memory system actively isolates the connection to the host system power supply and isolates the interface bus and employs the supplemental energy store to continue write operations to flash memory.

REFERENCES:
patent: 4965828 (1990-10-01), Ergott et al.
patent: 5765001 (1998-06-01), Clark et al.
patent: 6473355 (2002-10-01), Caulkins
patent: 6742140 (2004-05-01), Caulkins
patent: 7107480 (2006-09-01), Moshayedi et al.
patent: 2002/0067652 (2002-06-01), Caulkins

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