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标题: Logic Test - 7490 Bad Vector Table [打印本页]

作者: yovish 时间: 2021-3-16 05:52 标题: Logic Test - 7490 Bad Vector Table

You have a badly defined 7490 series logic chip test!
I am sending you a correctly defined test.

图片附件: 7490 Bad Test.png (2021-3-16 05:51, 30.47 KB) / 下载次数 9140
http://forums.xgecu.com/attachment.php?aid=307&k=3635a7d3e5ed86290f185e6a4828dcbd&t=1780203435&sid=uFdgfu

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8922
http://forums.xgecu.com/attachment.php?aid=308&k=61227e976ea94b26527192097e01e87f&t=1780203435&sid=uFdgfu

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42612
http://forums.xgecu.com/attachment.php?aid=309&k=daaf1dff5a6ac30d1ebadb03eedb82f7&t=1780203435&sid=uFdgfu

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9066
http://forums.xgecu.com/attachment.php?aid=315&k=f5280933fe3a60bb4388777562947444&t=1780203435&sid=uFdgfu

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9160
http://forums.xgecu.com/attachment.php?aid=316&k=66a62f8e9988e5378fb34a94e7e8ca25&t=1780203435&sid=uFdgfu

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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