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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 5570
http://forums.xgecu.com/attachment.php?aid=307&k=fed5da7bcaec707451f429a5d133cdfb&t=1728389964&sid=KnQA24

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 5510
http://forums.xgecu.com/attachment.php?aid=308&k=7917e2b9d9b4e55971a887ae7b69725b&t=1728389964&sid=KnQA24

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 19565
http://forums.xgecu.com/attachment.php?aid=309&k=f54d74dbf83cce525b4017665978eae6&t=1728389964&sid=KnQA24

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 5436
http://forums.xgecu.com/attachment.php?aid=315&k=1794182da1521117d8560cc5ba26ee44&t=1728389964&sid=KnQA24

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 5501
http://forums.xgecu.com/attachment.php?aid=316&k=ab8f667d2966b729537a0c2bfe3e5ade&t=1728389964&sid=KnQA24

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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