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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 9189
http://forums.xgecu.com/attachment.php?aid=307&k=a0907bf9db32bcef6a3666ab78fefcac&t=1780993236&sid=EG5GXE

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8977
http://forums.xgecu.com/attachment.php?aid=308&k=c5f490787d4c3b0fcee494a82c6915a5&t=1780993236&sid=EG5GXE

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42662
http://forums.xgecu.com/attachment.php?aid=309&k=cbdd698fdf8c67e9190d4d4e9c6f17ce&t=1780993236&sid=EG5GXE

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9098
http://forums.xgecu.com/attachment.php?aid=315&k=f722e8597dff2fb752eb0a2224204299&t=1780993236&sid=EG5GXE

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9217
http://forums.xgecu.com/attachment.php?aid=316&k=d6680c33279d462ee06d0bac6c3230a0&t=1780993236&sid=EG5GXE

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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