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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 9457
http://forums.xgecu.com/attachment.php?aid=307&k=9cfa349a6a8bd624319a4c651fa422f0&t=1787295979&sid=Q9DQSA

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9230
http://forums.xgecu.com/attachment.php?aid=308&k=baf44cece667a2e3663c9807fea92bfd&t=1787295979&sid=Q9DQSA

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42997
http://forums.xgecu.com/attachment.php?aid=309&k=9380727faf36511611a9c7f3c9f1895c&t=1787295979&sid=Q9DQSA

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9373
http://forums.xgecu.com/attachment.php?aid=315&k=5aeb0d11270cb6401a1e0570e60f6771&t=1787295979&sid=Q9DQSA

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9466
http://forums.xgecu.com/attachment.php?aid=316&k=032d654d019961073ccd2033f9e73b32&t=1787295979&sid=Q9DQSA

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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