Set-associative cache memory with shared sense amplifiers

Details Set-associative cache memory with shared sense amplifiers Set-associative cache memory with shared sense amplifiers

1995-02-09

1998-02-03

Chan, Eddie P.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365205, 365207, 36518907, G06F 1200

Patent

active

057154260

ABSTRACT:
A cache memory employs a set-associative method for associating cached data with main storage data. The cache memory comprises memory cells MSs, sense amplifiers SAW0 through SAWs-1, s way hit signal generators 1-0 through 1-s-1 for searching directories of address tags of respective ways for a given tag and generating way hit signals W0HIT through Ws-1HIT accordingly, and controllers 3-1 through 3-s-1 for activating a sense amplifier SAWi corresponding to a hit way according to the way hit signals WiHIT, keeping the other sense amplifiers SAWj (j is not equal to i) inactive, and keeping all of the sense amplifiers SAWk (k=1, . . . , s) OFF when a cache miss is detected.

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