Word line driving circuit putting word line into one of high level, low level and high impedance
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United States of America Patent
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-
Dec 9, 2008
Grant Date -
Sep 27, 2007
app pub date -
Mar 21, 2007
filing date -
Mar 22, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A word line driving circuit has a main word driver for producing first and second main word driver output signals and a subsidiary word driver for driving a word line. The subsidiary word driver has a load transistor supplied with the first main word driver output signal and a driver transistor supplied with the second word driver output signal. The subsidiary word driver has a state putting circuit for putting the word line into one of a high level, a low level, and a high impedance state.
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