| 摘要 |
A circuit for outputting data of a semiconductor memory apparatus is provided. A circuit for outputting data of a semiconductor memory apparatus according to an embodiment of the present invention includes a data clock generating unit that generates a data clock, a delayed clock generating unit that receives the data clock and outputs a delayed clock according to a change in an external voltage level, and a clock synchronizing unit that outputs data synchronized with the delayed clock as output data.
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