Memory cells configurable as CAM or RAM in programmable logic devices
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United States of America Patent
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Jul 17, 2001
Grant Date -
N/A
app pub date -
Mar 10, 2000
filing date -
Aug 21, 1997
priority date (Note) -
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Abstract
A programmable logic device having content addressable memory is disclosed. In a preferred embodiment, the programmable logic device includes reconfigurable dual mode memory suitable for operating as a content addressable memory in a first mode and a random access memory in a second mode is disclosed. Mode control switch circuitry may be provided to selectively enable a user to configure the dual mode memory as either content addressable memory or random access memory.
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