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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 9421
http://forums.xgecu.com/attachment.php?aid=307&k=4aaec879d4956f89f3d7e646107b7599&t=1783905178&sid=3NnNnl

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9191
http://forums.xgecu.com/attachment.php?aid=308&k=f5fd8ab822173d8dc1a17b32c8cd9b55&t=1783905178&sid=3NnNnl

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42908
http://forums.xgecu.com/attachment.php?aid=309&k=775299f34f787439068749896ff41675&t=1783905178&sid=3NnNnl

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9314
http://forums.xgecu.com/attachment.php?aid=315&k=5fc31713baf59195dc954fcf3fa0b040&t=1783905178&sid=3NnNnl

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9422
http://forums.xgecu.com/attachment.php?aid=316&k=4d8dde8e89be40980467abd055b99443&t=1783905178&sid=3NnNnl

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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