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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 8564
http://forums.xgecu.com/attachment.php?aid=307&k=5d53760b6406dbed3e11d88ac0f0d970&t=1774730909&sid=n4k2cb

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8474
http://forums.xgecu.com/attachment.php?aid=308&k=1275637edc2bec89593518a8c3774253&t=1774730909&sid=n4k2cb

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 39837
http://forums.xgecu.com/attachment.php?aid=309&k=cf534303771e3d980ac73e44e378ae6e&t=1774730909&sid=n4k2cb

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8614
http://forums.xgecu.com/attachment.php?aid=315&k=e2a632973442341ba9afcd9f7f23e878&t=1774730909&sid=n4k2cb

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8684
http://forums.xgecu.com/attachment.php?aid=316&k=bdd335fa0e9078db2cc44fa7909116c1&t=1774730909&sid=n4k2cb

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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