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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 8937
http://forums.xgecu.com/attachment.php?aid=307&k=da39959b886686589496129485cbe02d&t=1777354413&sid=3rxYrP



图片附件: 7490 Good Test.png (2021-3-16 05:52, 29.88 KB) / 下载次数 8726
http://forums.xgecu.com/attachment.php?aid=308&k=c55f8df2b8a224833438722482487eaa&t=1777354413&sid=3rxYrP



附件: 7490.lgc (2021-3-16 05:52, 2.29 KB) / 下载次数 41263
http://forums.xgecu.com/attachment.php?aid=309&k=8c9481de76e5919d5aaceb98b685162b&t=1777354413&sid=3rxYrP

图片附件: 7490 Test Scheme.jpg (2021-3-20 04:55, 70.04 KB) / 下载次数 8867
http://forums.xgecu.com/attachment.php?aid=315&k=6f48c08e83fd1f434e35961508ac6e5d&t=1777354413&sid=3rxYrP



图片附件: 7490 Working.jpg (2021-3-20 04:55, 73.13 KB) / 下载次数 8941
http://forums.xgecu.com/attachment.php?aid=316&k=fd1d76c2283efcd91a444d92de937bcb&t=1777354413&sid=3rxYrP


作者: admin    时间: 2021-3-16 11:10

回复 1# yovish
   thanks




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