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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 7986
http://forums.xgecu.com/attachment.php?aid=307&k=0e2f85b7a0c928d085546cdd5075b576&t=1769220453&sid=U7dZdr

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 7926
http://forums.xgecu.com/attachment.php?aid=308&k=fea295a3e4d8703494156f325b34ddda&t=1769220453&sid=U7dZdr

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 36733
http://forums.xgecu.com/attachment.php?aid=309&k=fd54788c83c0f0c9cb4e503289d82a5d&t=1769220453&sid=U7dZdr

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8091
http://forums.xgecu.com/attachment.php?aid=315&k=841c2646d4aa253f0744c0251af13097&t=1769220453&sid=U7dZdr

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8148
http://forums.xgecu.com/attachment.php?aid=316&k=d2f1dcac0719fc548a0c7de4fd19a286&t=1769220453&sid=U7dZdr

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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