Read only memory
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United States of America Patent
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-
Sep 9, 1986
Grant Date -
N/A
app pub date -
Apr 6, 1984
filing date -
Apr 7, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Data is read out from memory cells in which '0' level and '1' level binary data have been stored, and a signal potential responsive to the readout data is compared with a comparison potential by a sense amplifier, thereby sensing the data. In a comparison potential generator, the above comparison potential is set to have the intermediate potential between a potential obtained by a dummy cell in which the '1' level data has been stored, and a potential obtained by a dummy cell in which the '0' level data has been stored.
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