| 摘要 |
A semiconductor device includes: a plurality of power supply pads to which external voltages are supplied; a plurality of data output pads; power supply main lines that are connected to the respective corresponding power supply pads in common; a plurality of power supply branch lines that are branched from the power supply main lines, respectively; a plurality of output buffers that operate with power supply voltages supplied from the respective corresponding power supply branch lines, and drive respective corresponding data output pads; and low-pass filter circuits that are provided on the respective power supply branch lines.
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