Memory system segmented power supply and control

Static information storage and retrieval – Systems using particular element – Capacitors

Reexamination Certificate

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C365S226000, C365S222000

Reexamination Certificate

active

07085152

ABSTRACT:
A memory device having memory cells supplied with a separate higher voltage power than the separate power supplied to memory logic, and a lower power state that entails removing power from at least some of the logic such that refresh operations to preserve the contents of the memory cells continue to take place, but at least some of the interface to the memory device is powered down to reduce power consumption.

REFERENCES:
patent: 6603685 (2003-08-01), Hidaka et al.
patent: 6731531 (2004-05-01), Forbes et al.
patent: 1074993 (2001-02-01), None
PCT Search Report, PCT/US02/043496, mailed May 12, 2005.

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