| 摘要 |
Provided is a test apparatus that tests a device under test outputting a data signal and a clock signal indicating a timing at which the data signal is to be sampled, the test apparatus comprising a data acquiring section that acquires the data signal output by the device under test, at a timing corresponding to the clock signal output by the device under test; a masking section that masks the acquisition of data by the data acquiring section, while the device under test is not outputting the clock signal; and a judging section that judges pass/fail of the device under test based on a result of a comparison between the data signal acquired by the data acquiring section and an expected value.
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