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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 9451
http://forums.xgecu.com/attachment.php?aid=307&k=0d636aaa99f8164dee3c0d8c2e1a16d8&t=1787034306&sid=4tRdcr

图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 9224
http://forums.xgecu.com/attachment.php?aid=308&k=66540e828d37b7e086aa1a012f822534&t=1787034306&sid=4tRdcr

附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 42987
http://forums.xgecu.com/attachment.php?aid=309&k=7870702554ad538af53ee8c13d149928&t=1787034306&sid=4tRdcr

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 9369
http://forums.xgecu.com/attachment.php?aid=315&k=f2fb6ef2ae52badfbb9633664454551d&t=1787034306&sid=4tRdcr

图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 9460
http://forums.xgecu.com/attachment.php?aid=316&k=376ea7bd27451c345bb965b38c0028f2&t=1787034306&sid=4tRdcr

作者: admin 时间: 2021-3-16 11:10

回复 1# yovish
thanks

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