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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 8430
http://forums.xgecu.com/attachment.php?aid=307&k=f09a74b2432ba2f6edb6d1acb8da2986&t=1773700121&sid=v6ooHd

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8356
http://forums.xgecu.com/attachment.php?aid=308&k=54943ade3432e76e2e96f3924552b198&t=1773700121&sid=v6ooHd

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 39273
http://forums.xgecu.com/attachment.php?aid=309&k=3f072da76ed016469d33a649e35c44c7&t=1773700121&sid=v6ooHd

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8496
http://forums.xgecu.com/attachment.php?aid=315&k=15522ff65fcc40bc70c41e90b0d53713&t=1773700121&sid=v6ooHd

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8561
http://forums.xgecu.com/attachment.php?aid=316&k=6a67cee6b83c807ed5ae230bde2f962b&t=1773700121&sid=v6ooHd

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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