Dynamic type semiconductor memory device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 22, 2000
Issued Date -
N/A
app pub date -
Jan 19, 1999
filing date -
May 13, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ordinary read/write operation (normal operation) and a refresh operation are separated from one another and the number of read amplification circuits or, in other words, the number of sense amplifiers operating during the normal operation is made smaller than that during the refresh operation. Accordingly, a bit line charge/discharge current during the normal operation can be reduced.
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