• 专利标题: Programmable logic architecture incorporating a content addressable embedded array block
  • 专利标题(中): 计算机游戏
  • 申请号: EP98309004.4
    申请日: 1998-11-03
  • 公开(公告)号: EP0913944A3
    公开(公告)日: 2001-03-21
  • 发明人: Veenstra, KerryHeile, Francis B.
  • 申请人: Altera Corporation
  • 申请人地址: 101 Innovation Drive San Jose, California 95134 US
  • 专利权人: Altera Corporation
  • 当前专利权人: Altera Corporation
  • 当前专利权人地址: 101 Innovation Drive San Jose, California 95134 US
  • 代理机构: O'Connell, David Christopher
  • 优先权: US64054P 19971103; US167220 19981006
  • 主分类号: H03K19/177
  • IPC分类号: H03K19/177
Programmable logic architecture incorporating a content addressable embedded array block
摘要:
The invention relates to an integrated circuit that can be configured to operate as a content addressable memory. The integrated circuit includes a first functional block that stores at least one keyword dataword which is associated with a group of associated data words. The integrated circuit also includes a second functional block that stores the group of associated datawords. The second functional block is connected to the first functional block in such a way that if a request dataword received at the first functional block matches at least one keyword dataword stored therein, then an associated result dataword included in the group of associated data words stored in the second functional block is output by the second functional block. Typically, the integrated circuit chip is a complex programmable logic device architecture (CPLD).
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