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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 8927
http://forums.xgecu.com/attachment.php?aid=307&k=2eceb1ab00a02ac570c4938c4624ef30&t=1777268929&sid=JaUBUQ



图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8721
http://forums.xgecu.com/attachment.php?aid=308&k=c11a1eb31a0b7a557cde48327e036991&t=1777268929&sid=JaUBUQ



附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 41207
http://forums.xgecu.com/attachment.php?aid=309&k=852080e478f631d3858817de5325610e&t=1777268929&sid=JaUBUQ

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8856
http://forums.xgecu.com/attachment.php?aid=315&k=5d8b685df67dd8aab2c4112160a2695b&t=1777268929&sid=JaUBUQ



图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8934
http://forums.xgecu.com/attachment.php?aid=316&k=ff0135a23a76e1165f53a4c1d8b2da08&t=1777268929&sid=JaUBUQ


作者: admin    时间: 2021-3-16 11:10

回复 1# yovish
   thanks




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