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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 9549
http://forums.xgecu.com/attachment.php?aid=307&k=30b91b38b88af0bddf5cdba5ee917bde&t=1793650767&sid=zTII3f

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9311
http://forums.xgecu.com/attachment.php?aid=308&k=7004d56574e89981c1ce65f011e08434&t=1793650767&sid=zTII3f

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 43193
http://forums.xgecu.com/attachment.php?aid=309&k=e89c22c77cd631053f40329ade0de6ea&t=1793650767&sid=zTII3f

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9462
http://forums.xgecu.com/attachment.php?aid=315&k=d600bd67cfab1376bdedc8ce39bba6f0&t=1793650767&sid=zTII3f

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9548
http://forums.xgecu.com/attachment.php?aid=316&k=45e83d63f276bed8997a34f69adb5590&t=1793650767&sid=zTII3f

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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