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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 8835
http://forums.xgecu.com/attachment.php?aid=307&k=6b7b46a333e9db2f9a897ab39c4b77bb&t=1776252191&sid=370Pu9

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8657
http://forums.xgecu.com/attachment.php?aid=308&k=54360f5bca147728f0877e29b695deba&t=1776252191&sid=370Pu9

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 40703
http://forums.xgecu.com/attachment.php?aid=309&k=fbb24bf9ccea222c351d8356f789866a&t=1776252191&sid=370Pu9

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8789
http://forums.xgecu.com/attachment.php?aid=315&k=739b366683933d0647135ba7a6f360e0&t=1776252191&sid=370Pu9

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8870
http://forums.xgecu.com/attachment.php?aid=316&k=a3c574876a99a29f0638bd7a35e7378e&t=1776252191&sid=370Pu9

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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