Semiconductor memory device
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United States of America Patent
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Feb 20, 2007
Grant Date -
Sep 29, 2005
app pub date -
Aug 31, 2004
filing date -
Mar 29, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A semiconductor memory device includes: a memory cell array having word lines and bit lines disposed to cross each other, and memory cells disposed at crossings thereof; a controller configured to control operations of the memory cell array; and a word line drive circuit configured to set at least one of unselected word lines in an electrically floating state while driving a selected word line, based on input address and control signals output from said controller.
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