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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 8939
http://forums.xgecu.com/attachment.php?aid=307&k=85b0b95c40c85d68e789efedd3453ecc&t=1777382379&sid=Ue55B9

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8728
http://forums.xgecu.com/attachment.php?aid=308&k=33339071a6beffad368da9443831b799&t=1777382379&sid=Ue55B9

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 41287
http://forums.xgecu.com/attachment.php?aid=309&k=2dc776f097f0d345cb06fffcf57e3f17&t=1777382379&sid=Ue55B9

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8869
http://forums.xgecu.com/attachment.php?aid=315&k=f5c10c128806121f6fd8efff0e70fd77&t=1777382379&sid=Ue55B9

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8942
http://forums.xgecu.com/attachment.php?aid=316&k=ca11d312a43c768fd17be0a7ad5599ee&t=1777382379&sid=Ue55B9

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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