A semiconductor device is disclosed which increases {HEAD ~ the data transfer rate} in transferring {TAIL ~ data output} from an input/output sense amplifier via a global data bus line by reducing the swing width of the data placed on the global data bus line 
in transferring
A semiconductor device is disclosed which increases { HEAD ~ the data transfer rate } in transferring { TAIL ~ data output } from an input / output sense amplifier via a global data bus line by reducing the swing width of the data placed on the global data bus line
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