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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 9343
http://forums.xgecu.com/attachment.php?aid=307&k=84daba667693a1aecfe1354486ee8aa2&t=1782568629&sid=8HQqv6

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9106
http://forums.xgecu.com/attachment.php?aid=308&k=9dd04638d0f6be1706f69d8b08759412&t=1782568629&sid=8HQqv6

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42812
http://forums.xgecu.com/attachment.php?aid=309&k=99931afafe8eede21a910aa048ed5eb6&t=1782568629&sid=8HQqv6

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9234
http://forums.xgecu.com/attachment.php?aid=315&k=999a0ce3b9ac8ec371b358321ab1dac0&t=1782568629&sid=8HQqv6

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9342
http://forums.xgecu.com/attachment.php?aid=316&k=be6d846411f1e2c32da39437de6388a1&t=1782568629&sid=8HQqv6

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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