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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 8948
http://forums.xgecu.com/attachment.php?aid=307&k=71208803f1991f3d5ae58d2dc8e9fc31&t=1777518154&sid=1E9JQc

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8746
http://forums.xgecu.com/attachment.php?aid=308&k=8d0499aebe6a5399580d646d543ea485&t=1777518154&sid=1E9JQc

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 41377
http://forums.xgecu.com/attachment.php?aid=309&k=be922c23c6c4fd4deb290740118bed89&t=1777518154&sid=1E9JQc

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8881
http://forums.xgecu.com/attachment.php?aid=315&k=3d41b54c453acb85af5f631903186db4&t=1777518154&sid=1E9JQc

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8956
http://forums.xgecu.com/attachment.php?aid=316&k=2c904ebfa88432196e5e136ee2a01e02&t=1777518154&sid=1E9JQc

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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