Nonvolatile memory using flexible erasing methods and method and system for using same
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United States of America Patent
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Jun 25, 2002
Issued Date -
N/A
app pub date -
May 5, 2000
filing date -
Mar 31, 1997
priority date (Note) -
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Abstract
An embodiment of the present invention is disclosed to include a nonvolatile memory system for controlling erase operations performed on a nonvolatile memory array comprised of rows and columns, the nonvolatile memory array stores digital information organized into blocks with each block having one or more sectors of information and each sector having a user data field and an extension field and each sector stored within a row of the memory array. A controller circuit is coupled to a host circuit and is operative to perform erase operations on the nonvolatile memory array, the controller circuit erases an identified sector of information having a particular user data field and a particular extension field wherein the particular user field and the particular extension field are caused to be erased separately.
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