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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 8877
http://forums.xgecu.com/attachment.php?aid=307&k=8c91810f93b9822318dfee7df4b2705e&t=1776712431&sid=D1eN07

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8683
http://forums.xgecu.com/attachment.php?aid=308&k=d42be9b52456b9236636bf8096d45abd&t=1776712431&sid=D1eN07

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 40916
http://forums.xgecu.com/attachment.php?aid=309&k=beb5e44c884e4ed1edde064b78678bb9&t=1776712431&sid=D1eN07

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8815
http://forums.xgecu.com/attachment.php?aid=315&k=dd69a5636bcd251ea16b70f74901728d&t=1776712431&sid=D1eN07

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8896
http://forums.xgecu.com/attachment.php?aid=316&k=0f4f4d0cd8c595823a8d1ea2dd32b639&t=1776712431&sid=D1eN07

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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