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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 9425
http://forums.xgecu.com/attachment.php?aid=307&k=14ef3f26f13e2461ebd8623958a6b903&t=1785461852&sid=L2Zwrw

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9192
http://forums.xgecu.com/attachment.php?aid=308&k=260dc641434d05d59d4b12a4c1a86f92&t=1785461852&sid=L2Zwrw

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42913
http://forums.xgecu.com/attachment.php?aid=309&k=34966f0648c06526ba804500b5d33c90&t=1785461852&sid=L2Zwrw

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9316
http://forums.xgecu.com/attachment.php?aid=315&k=670c86fe0473fe51128fc852f4f04b5d&t=1785461852&sid=L2Zwrw

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9429
http://forums.xgecu.com/attachment.php?aid=316&k=10e60e67dec25f9476b6fc307c7fa2a9&t=1785461852&sid=L2Zwrw

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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