| 摘要 |
Disclosed is a semiconductor device including: a first switch controlling connection between a first data line pair a second data line pair; a first amplifier connected to the first data line pair; a second switch controlling the connection between the second data line pair and a third data line pair; a second amplifier amplifying data on the second data line pair and delivering the amplified data to the third data line pair; a third amplifier connected to the third data line pair; and a switch control circuit controlling the second switch. Based upon a first control signal that controls precharging and equalization of the first data line pair, the switch control circuit renders the second switch conductive when precharging and equalization of the first data line pair is not carried out, and renders the second switch non-conductive when precharging and equalization of the first data line pair is carried out.
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