US Patent 7319602 Content addressable memory with twisted data lines

A content addressable memory (CAM) device having CAM cells arranged in rows and columns. A plurality of first data line pairs extend along respective columns of the CAM cells. A plurality of second data line pairs extend along respective columns of the CAM array adjacent the first data line pairs, each second data line pair having a first and second constituent data lines that cross one another at a point along their lengths.