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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 8582
http://forums.xgecu.com/attachment.php?aid=307&k=a8ba0cb8936aba0eefe910614957687d&t=1774842243&sid=czIse9

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8483
http://forums.xgecu.com/attachment.php?aid=308&k=11cffc4a333e38fb871073fd7bd6cec6&t=1774842243&sid=czIse9

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 39911
http://forums.xgecu.com/attachment.php?aid=309&k=ad661c4243a1f5ff30d536cbdbd0e418&t=1774842243&sid=czIse9

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8626
http://forums.xgecu.com/attachment.php?aid=315&k=e34e939f25cbd01b9c8a9cbb2e4927f6&t=1774842243&sid=czIse9

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8691
http://forums.xgecu.com/attachment.php?aid=316&k=92b78c3651e7f91f3bfc0c096e7c0b39&t=1774842243&sid=czIse9

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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