Content addressable memory array with priority encoder
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United States of America Patent
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May 22, 1990
Grant Date -
N/A
app pub date -
May 11, 1988
filing date -
May 11, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A content addressable memory system includes a plurality of memory cells arranged in rows and columns in an array of N bit words by M word cells, a plurality of word lines extending through the array for addressing different words in the memory cells, each of the words comprising a plurality of adjacent cells extending in a first direction in the array, a plurality of match lines extending through the array in parallel with the word lines in the first direction, a plurality of bit lines extending through the array in a second direction perpendicular to the first direction, each of the bit lines communicating with the cells in one of the columns extending in the second direction, and a pair of registers connected to the bit lines for performing masking operations on bits in the array.
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