发明授权
- 专利标题: Ternary CAM memory architecture and methodology
- 专利标题(中): 三元CAM内存架构和方法
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申请号: US696453申请日: 1996-08-13
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公开(公告)号: US5841874A公开(公告)日: 1998-11-24
- 发明人: Robert Alan Kempke , Anthony J. McAuley
- 申请人: Robert Alan Kempke , Anthony J. McAuley
- 申请人地址: IL Schaumburg
- 专利权人: Motorola, Inc.
- 当前专利权人: Motorola, Inc.
- 当前专利权人地址: IL Schaumburg
- 主分类号: G06F17/30
- IPC分类号: G06F17/30 ; G11C15/04 ; H04L9/00
摘要:
The present invention encompasses a method of storing ternary data that includes the steps of (1) initializing a conversion register by storing binary-to-ternary mask data in a conversion register; (2) storing ternary data in a content addressable memory (CAM) by inputting a single bit binary data to the conversion register, and converting the binary data into two bits of ternary data using the conversion register; and (3) simultaneously storing the two bits of ternary data in first and second memory cells. For subsequent searching, the method further includes the steps of searching for a match of input search binary data to the stored contents of the CAM; providing a match valid output responsive to the input search binary bits matching any of the stored contents; and generating an address corresponding to a location in the CAM where the match is found.
公开/授权文献
- US5251169A Non-volatile erasable and programmable interconnect cell 公开/授权日:1993-10-05
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