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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 9442
http://forums.xgecu.com/attachment.php?aid=307&k=42e02e978c8a3725b9bb297dbd5786af&t=1786248149&sid=F6gbZg

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9210
http://forums.xgecu.com/attachment.php?aid=308&k=6058a8303d4ee14d93a47d639519e091&t=1786248149&sid=F6gbZg

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42957
http://forums.xgecu.com/attachment.php?aid=309&k=8465b4ed69344d6bdee503d72fa03b25&t=1786248149&sid=F6gbZg

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9346
http://forums.xgecu.com/attachment.php?aid=315&k=c7125eea90b397b6e2d5f5d09f738813&t=1786248149&sid=F6gbZg

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9447
http://forums.xgecu.com/attachment.php?aid=316&k=6d59d2addf6e8fc0f6e62ae1cd0e858e&t=1786248149&sid=F6gbZg

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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