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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 8866
http://forums.xgecu.com/attachment.php?aid=307&k=e18e5458af330e4ac6969eb149496f2c&t=1776617956&sid=f8ln83

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8678
http://forums.xgecu.com/attachment.php?aid=308&k=be4840b87dabf48ba44567161e6c4834&t=1776617956&sid=f8ln83

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 40882
http://forums.xgecu.com/attachment.php?aid=309&k=a21517d446cb0866efaa81af28294174&t=1776617956&sid=f8ln83

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8813
http://forums.xgecu.com/attachment.php?aid=315&k=cc398e844550ae9444e51f853ea05f1d&t=1776617956&sid=f8ln83

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8893
http://forums.xgecu.com/attachment.php?aid=316&k=d44a20d850aafd40f52bce7f9b525444&t=1776617956&sid=f8ln83

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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