Field programmable gate array and manufacture of the same
专利汇可以提供Field programmable gate array and manufacture of the same专利检索，专利查询，专利分析的服务。并且PURPOSE: To utilize the part of a field programmable gate array(FPGA) with desired quality properly by storing information relating to the product quality of the FPGA into a ROM and extracting the information at any time.
CONSTITUTION: When all logic circuit blocks are in 10MHz product rank, '10' is written in all built-in ROM blocks corresponding to each logic block name (or location). That is, the FPGA has a nonvolatile (programmable) ROM part, and its memory content is a test data at manufacture such as the combinations of wiring circuits and the measurements of their delay time, the combinations of each block name (location) and its warranted operation clock frequency, a not available (defective) bloc location (name) and the type of the defect. Then the user uses a well-known memory content reader (ROM writer or the like) to extract the content list of a ROM block in the inside of the FPGA as necessary.
COPYRIGHT: (C)1992,JPO&Japio，下面是Field programmable gate array and manufacture of the same专利的具体信息内容。
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