Patent ID: 6331961
Filing Date: 2001-12-18
Classification: G11C

Abstract:
A content addressable memory (CAM) cell, said CAM cell comprising:a first DRAM cell and a second DRAM cell, said first and second DRAM cells adapted to provide a ternary state option for said CAM cell;a refresh word line (RWL) coupled to said first DRAM cell and said second DRAM cell, said RWL adapted to refresh said first and second DRAM cells;a first refresh bit line (RBL) coupled to said first DRAM cell, said first RBL adapted to refresh said first DRAM cell; anda second RBL coupled to said second DRAM cell, said second RBL adapted to refresh said second DRAM cell, wherein said RWL, said first RBL, and said second RBL accessible through a port adapted for refreshing said ternary state CAM cell.