Method and apparatus for refreshing a dynamic random access memory
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United States of America Patent
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Apr 19, 1994
Grant Date -
N/A
app pub date -
Sep 16, 1992
filing date -
Sep 16, 1992
priority date (Note) -
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Abstract
A mode control circuit receives a row address strobe signal and a column address strobe signal and generates a normal mode signal when the row address strobe signal is received before the column address strobe signal is received. The mode control circuit generates a refresh mode signal when the row address strobe signal is received not before the column address strobe signal is received. A row addressing circuit addresses a first number of rows of data in response to the normal mode signal and a second, greater number of rows of data in response to the refresh mode signal.
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