Refreshing of multi-port memory in integrated circuits
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United States of America Patent
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Mar 23, 2004
Grant Date -
N/A
app pub date -
Sep 19, 2002
filing date -
Sep 19, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dual port memory module comprising a contention circuit for refresh in order to detect a conflict between an externally requested access and a refresh operation is described. The refresh operation is allocated to the port that is not externally accessed. When accesses through both ports are requested, a wait cycle for one of the access requests is inserted until the refresh is terminated.
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