| 摘要 |
A plurality of bits is output if more of the plurality of bits are of a first logical value than a second logical value, and the plurality of bits inverted is output if more of the plurality of bits are of the second logical value than the first logical value. An indicator also is provided as to whether the plurality of bits or the plurality of bits inverted are output. Thus, for example, if more of the bits are of the logical value that causes high current consumption, the output bits are inverted so that the bits can be output with reduced current consumption. Upon receipt, the plurality of bits and the indicator are received. The plurality of bits is retained if the indicator is of a first value and the plurality of bits is inverted if the indicator is of a second value. Thus, the power consumption of the data input-output circuits may be reduced.
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