Data compression using content addressable memory

Details Data compression using content addressable memory Data compression using content addressable memory

1992-04-27

1994-08-16

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

Adaptive coding

H03M 730

Patent

active

053390768

ABSTRACT:
A data compression/decompression processor implements a modified Ziv-Lempel ("LZ") coding technique. The processor includes three modules, an interface, a coder-decoder ("CODEC"), and a MODEL. The CODEC and the MODEL modules together form compression engine, in which the CODEC provides variable length coding and data packing, and the MODEL implements the LZ processing. The MODEL uses content addressable memory ("CAM") in encoding mode for text storage and character matching, and uses CAM in decoding mode as an on-chip RAM to obtain high speed access.

REFERENCES:
patent: 4558302 (1985-12-01), Welch
patent: 5151697 (1992-09-01), Bunton

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