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Method and apparatus for dynamically generating lookup words for content-addressable memories

  • US 7,065,083 B1
  • Filed: 10/04/2001
  • Issued: 06/20/2006
  • Est. Priority Date: 10/04/2001
  • Status: Expired due to Fees
First Claim
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1. A system comprising:

  • a programmable lookup word generator to receive a set of information and to produce a lookup word, the programmable lookup word generator including;

    a profile memory configured to store a set of instructions for generating the lookup word; and

    a selection mechanism for selecting portions of the set of information in response to the set of instructions retrieved from the profile memory, the selection mechanism including a matrix of storage elements and shift logic for use in generating the lookup word; and

    a content-addressable memory, coupled to the programmable lookup word generator, configured to receive said generated lookup word and to perform a lookup operation based on said generated lookup word in order to generate one or more lookup result indications.

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