State of health monitored flash backed dram module

Details State of health monitored flash backed dram module State of health monitored flash backed dram module

2011-08-02

2011-08-02

Hoang, Huan (Department: 2827)

Static information storage and retrieval

Powering

Data preservation

C365S228000, C365S189170, C365S189200, C365S189050, C365S230030, C711S103000, C711SE12001, C711SE12008

Reexamination Certificate

active

07990797

ABSTRACT:
A device includes: non-volatile memory; a controller in communication with the non-volatile memory, wherein the controller is programmed to move data from a volatile memory to the non-volatile memory upon a loss of power of a primary power source of the volatile memory; and a backup power supply providing temporary power to the controller and the volatile memory upon the loss of power of the primary power source, including: a capacitor bank with an output terminal; a connection to a voltage source that charges the capacitor bank to a normal operating voltage; and a state-of-health monitor that is programmed to generate a failure signal based on a voltage at the output terminal of the capacitor bank.

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International Search Report and Written Opinion for PCT Application No. PCT/US2009/33755, Mar. 2009.

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