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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 9471
http://forums.xgecu.com/attachment.php?aid=307&k=d0d4e44c9045f927df67fc1a906541a4&t=1787851592&sid=CSc6v9

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9242
http://forums.xgecu.com/attachment.php?aid=308&k=9de5f4159fa74bb9420543a2cfedbff0&t=1787851592&sid=CSc6v9

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 43018
http://forums.xgecu.com/attachment.php?aid=309&k=4363838ea4abe2bc00a2b021f82dd32a&t=1787851592&sid=CSc6v9

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9386
http://forums.xgecu.com/attachment.php?aid=315&k=2b9e32890411ef3b5800dab9ea666f27&t=1787851592&sid=CSc6v9

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9475
http://forums.xgecu.com/attachment.php?aid=316&k=e866b6ebe723ef42721a44d182897212&t=1787851592&sid=CSc6v9

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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