Result compare circuit and method for content addressable memory (CAM) device

   
   

A content addressable memory (CAM) device (100) may include a number of blocks (102-[n-1, n, n+1]) that each generate CAM search results and result compare circuits (104-[n-1, n, n+1] that receive CAM search results from multiple blocks (102-[n-1, n, n-1]), and compare at least a portion of such CAM search results. According to such a comparison result, a compare circuit (104-[n-1, n, n+1]) can generate an output CAM search result for subsequent comparison with CAM search result in another compare circuit (104-[n-1, n, n+1]).

Um dispositivo da memória endereçável satisfeita (CAME) (100) pode incluir um número de blocos (102-[n-1, n, n+1 ]) esse que cada um geram resultados da busca da CAME e o resultado compara os circuitos (104-[n-1, n, n+1 ] que recebem resultados da busca da CAME dos blocos múltiplos (102-[n-1, n, n-1 ]), e compara ao menos uma parcela de tais resultados da busca da CAME. De acordo com tal resultado da comparação, circuito comparar (104-[n-1, n, n+1 ]) pode gerar um resultado da busca da CAME da saída para a comparação subseqüente com resultado da busca da CAME em outro comparam o circuito (104-[n-1, n, n+1 ]).

 
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