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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 8946
http://forums.xgecu.com/attachment.php?aid=307&k=652e6dd084fb033ee2990ccea16fb8d1&t=1777495057&sid=pipO79

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8745
http://forums.xgecu.com/attachment.php?aid=308&k=62b6da28d271deb95cdc4407f93ed176&t=1777495057&sid=pipO79

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 41371
http://forums.xgecu.com/attachment.php?aid=309&k=d041dd58ea6129487bc1b93f0299e21a&t=1777495057&sid=pipO79

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8876
http://forums.xgecu.com/attachment.php?aid=315&k=29bca7ea20825cbb0aaf5d6a9d65fbf8&t=1777495057&sid=pipO79

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8954
http://forums.xgecu.com/attachment.php?aid=316&k=9832670c348d32532c5ed5a42cc8a703&t=1777495057&sid=pipO79

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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