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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 8860
http://forums.xgecu.com/attachment.php?aid=307&k=60ff359d184425741b483bb5cae2d9e0&t=1776531659&sid=Vxt2vg

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8674
http://forums.xgecu.com/attachment.php?aid=308&k=92223bd74e3a57ac84ef35ea84657c2f&t=1776531659&sid=Vxt2vg

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 40841
http://forums.xgecu.com/attachment.php?aid=309&k=10875283c9420e61635e8bf7b05ed1fa&t=1776531659&sid=Vxt2vg

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8808
http://forums.xgecu.com/attachment.php?aid=315&k=3dada87e7d4eeab9b49a39df55776239&t=1776531659&sid=Vxt2vg

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8888
http://forums.xgecu.com/attachment.php?aid=316&k=a61687424cc35cf4280dfa23a9f940ff&t=1776531659&sid=Vxt2vg

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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