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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 8886
http://forums.xgecu.com/attachment.php?aid=307&k=7b6d23be0f25ddbd56f8975f46e1eb37&t=1776801763&sid=s43Eq2

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8686
http://forums.xgecu.com/attachment.php?aid=308&k=708844dc513d53cfb90dfc4c70428607&t=1776801763&sid=s43Eq2

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 40951
http://forums.xgecu.com/attachment.php?aid=309&k=5e1bdf3c6715b49a52ef619d48f9ee87&t=1776801763&sid=s43Eq2

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8818
http://forums.xgecu.com/attachment.php?aid=315&k=7ae7f5c80bcfe3438e597e7a3bee7e72&t=1776801763&sid=s43Eq2

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8898
http://forums.xgecu.com/attachment.php?aid=316&k=0209f0c4ae33fec11cdaa17bf5bc75f0&t=1776801763&sid=s43Eq2

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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