Integrated circuit with an access-controlled data memory
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United States of America Patent
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May 7, 1991
Issued Date -
N/A
app pub date -
Sep 26, 1989
filing date -
Jul 3, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for protecting secret code data stored in a data memory from analysis includes forming conclusions as to the content of the memory from signals at outputs of the memory, and limiting transfer of the code data from the data memory into a peripheral logic to a predetermined time period and an apparatus for carrying out the method.
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