| 摘要 |
A data output circuit in a semiconductor memory apparatus includes a first data driving unit configured to generate a first driving data at a first timing, a first buffering unit configured to generate a first output data by buffering the first driving data, a second data driving unit configured to generate a second driving data at a second timing that is different from the first timing, and a second buffering unit configured to generate a second output data by buffering the second driving data.
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