| 摘要 |
A data output circuit for a semiconductor memory apparatus includes a data output control unit that generates a selection signal, an output timing signal, and an input control signal in response to a read command and a clock, and a signal-responsive data output unit that receives parallel data in response to the input control signal, arranges the parallel data in response to the selection signal, and sequentially outputs the arranged parallel data as serial data in synchronization with the output timing signal.
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