Memory device with read access controlled by code
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United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
Jun 1, 1998
filing date -
Jun 12, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Read access to a memory device is controlled by comparing an input control code with a predetermined code stored in the memory device. The comparison is performed inside the memory device, and read access is enabled or disabled according to the result. The control code can be used to select one of several memory devices connected to a common bus, or to provide security for information stored in the memory device.
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