Content-addressable (associative) memory devices

Details Content-addressable (associative) memory devices Content-addressable (associative) memory devices

2006-08-22

2006-08-22

Bataille, Pierre (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S003000, C711S106000, C711S108000

Reexamination Certificate

active

07096318

ABSTRACT:
A compound associative memory for use with a data-parallel computer, and a method of storing/retrieving data in the compound associative memory is disclosed. The memory comprises a bit-parallel word-organized associative memory having an array of associative memory cells arranged to be capable of bit-parallel search and write operations. A bit-serial associative memory having an array of memory cells arranged to be capable of bit-serial search and write operations, but not word bit-parallel search and write operations, is also included. The bit-serial memory is operatively connected to the bit-parallel memory and arranged to operate as an extension of the same. The method comprises searching the bit-parallel word-organized associative memory and/or the bit-serial associative memory coupled to the bit-parallel memory for data matching search data, and marking the memory cells having stored data matching the search data.

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