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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 9479
http://forums.xgecu.com/attachment.php?aid=307&k=8560da0e00e1e9599d40f04f62dbf360&t=1788082110&sid=O9tQt5

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9247
http://forums.xgecu.com/attachment.php?aid=308&k=f27cb4355686b5abdbea82a84bc40f8c&t=1788082110&sid=O9tQt5

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 43038
http://forums.xgecu.com/attachment.php?aid=309&k=b2466d4ebbe827399f35c833ff6227ae&t=1788082110&sid=O9tQt5

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9390
http://forums.xgecu.com/attachment.php?aid=315&k=9761f518508c64a7b0352272a92482ff&t=1788082110&sid=O9tQt5

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9481
http://forums.xgecu.com/attachment.php?aid=316&k=cedca401c3b03fc02eb4d7758faab70e&t=1788082110&sid=O9tQt5

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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