Nonvolatile memory device
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United States of America Patent
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Oct 30, 2012
Grant Date -
Dec 30, 2010
app pub date -
Jun 29, 2010
filing date -
Jun 29, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A nonvolatile memory device comprises a page buffer unit comprising page buffers, each coupling first and second input and output (IO) lines and a latch circuit for outputting data together or coupling a sense node and the first or second I/O line together, in response to an operation mode; a Y decoder unit comprising decoders, each selecting one or more of the page buffers in response to address signals and outputting a first or second control signal to the selected page buffers in response to the operation mode; a mode selection unit outputting first and second operation selection signals for selecting the operation mode; and an I/O control unit comprising I/O control circuits, each detecting data, inputted and output through the first and second I/O lines, and outputting the detected data or coupling one of the first and second I/O lines to a data line.
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