| 摘要 |
Provided is a testing device for testing an object device. The testing device comprises a pattern memory for storing the data to be outputted to the object device, a device decision unit for deciding the propriety of the object device on the basis of an output signal outputted by the object device, a number information storing unit for storing the number information based on the number of H-logic data contained in input data to be stored by the pattern memory, a counter for counting, in response to the output data outputted by the pattern memory to the object device, the number of the H-logic data contained in the output data, and a pattern memory decision unit for deciding it, in case the number information of the input data stored by the number information storage unit and the number of the H-logic data counted by the counter are equal to each other, that the data stored by the pattern memory is correct.
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