Content addressable memory array with priority encoder

Details Content addressable memory array with priority encoder Content addressable memory array with priority encoder

1988-05-11

1990-05-22

Hecker, Stuart N.

Static information storage and retrieval

Associative memories

Ferroelectric cell

365154, G11C 1500

Patent

active

049282603

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.

REFERENCES:
patent: 3195109 (1965-07-01), Behnke
patent: 3633182 (1972-01-01), Koo
patent: 4065756 (1977-12-01), Panigrahi
patent: 4159538 (1979-06-01), Motsch
patent: 4296475 (1981-10-01), Nederlof et al.
patent: 4404653 (1983-09-01), Ruhman et al.
patent: 4670858 (1987-06-01), Almy
patent: 4723224 (1988-02-01), Van Hulett et al.
patent: 4794559 (1988-12-01), Greenberger

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