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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 9402
http://forums.xgecu.com/attachment.php?aid=307&k=123d4cb1cee0143439ddecf96c104255&t=1783359459&sid=Esf73j

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9169
http://forums.xgecu.com/attachment.php?aid=308&k=67e5f68538b972b676c38eba001d6839&t=1783359459&sid=Esf73j

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42883
http://forums.xgecu.com/attachment.php?aid=309&k=98ef4792c2e0e23a2996cd17909348ab&t=1783359459&sid=Esf73j

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9297
http://forums.xgecu.com/attachment.php?aid=315&k=7c9e90ad074f0acd6cecb651f58adb72&t=1783359459&sid=Esf73j

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9403
http://forums.xgecu.com/attachment.php?aid=316&k=a48fd67756612a486beae4e5d093529f&t=1783359459&sid=Esf73j

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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