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Method and apparatus for cascading content addressable memory devices

  • US 6,148,364 A
  • Filed: 12/30/1997
  • Issued: 11/14/2000
  • Est. Priority Date: 12/30/1997
  • Status: Expired due to Fees
First Claim
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1. A content addressable memory (CAM) device comprising:

  • a CAM circuit for storing data;

    data inputs for providing comparand data for comparison with the data of the CAM circuit;

    a cascade circuit coupled to the CAM circuit;

    a match flag output coupled to the cascade circuit, the match flag output for providing a match flag output signal indicative of whether the comparand data matches the data of the CAM circuit; and

    a cascade output coupled to the cascade circuit, the cascade output for providing a cascade output signal indicative of when the match flag output signal is valid.

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