专利汇可以提供Semiconductor device专利检索,专利查询,专利分析的服务。并且PURPOSE: To enable the high-speed output of data, and simultaneously to contrive the shortening of testing time for detection, etc., of a defective bit by providing a read-only memory practicing data transmission to the serial access and a data register.
CONSTITUTION: The read-only memory ROM 12-14 practicing data transmission to the serial access and the data register 8 are provided. And in the case of outputting the data of determined pattern the data of ROMs 12-14 are used and in the case of inspecting the defective bit, inputting the data of ROMs 12-14 to the data register is executed. In such a manner, the data of determined pattern can be outputted in high-speed, and the testing time of the defective bit detecting, etc., is shortened.
COPYRIGHT: (C)1991,JPO&Japio,下面是Semiconductor device专利的具体信息内容。
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