Semiconductor storage device and driving method thereof
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United States of America Patent
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May 10, 2016
Grant Date -
Sep 11, 2014
app pub date -
May 19, 2014
filing date -
Nov 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A memory includes a cell array including nonvolatile memory cells. A power generator generates a power supply voltage for driving the cell array. A receiver receives a command and an address. A controller controls an active state of the cell array, the power generator, and the receiver. In an activation mode, the cell array, the power generator, and the receiver are turned into the active states. In a first power saving mode, the cell array, the power generator, and the receiver are turned into inactive states. In a second power saving mode, the cell array and the power generator are turned into the active states, and the receiver is turned into the inactive state. In a third power saving mode, at least a part of the power generator is turned into the active state, and the cell array and the receiver are turned into the inactive states.
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