Current mode differential transmission method and system for transmitting three units of data using four signal lines
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Provided are a current mode differential transmission method and system for differentially transmitting three units of data using four signal lines. The method includes: dividing the four signal lines 1a, 1b, 2a and 2b into two pairs of signal lines 1a/1b and 2a/2b, and differentially transmitting respective data (first data and second data) via the two pairs of signal lines 1a/1b and 2a/2b; and transmitting the other data (third data) by differentially changing common mode currents of the two pairs of signal lines 1a/1b and 2a/2b.