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标题: New Logic Test - 74490 Vector Table [打印本页]

作者: yovish 时间: 2021-4-28 20:06 标题: New Logic Test - 74490 Vector Table

Enclosed is the new layout to be added to the logic tests.
The test was performed on the T74LS490B1 (dual 4-bit decade counters) chip from STMicroelectronics.

图片附件: 74490 - Logic Vector.jpg (2021-4-28 20:05, 314.99 KB) / 下载次数 14843
http://forums.xgecu.com/attachment.php?aid=474&k=6f155fe35cdde5512e74f42aa6312ff8&t=1768851454&sid=IL4ele

图片附件: 74490 - Logic Test.jpg (2021-4-28 20:06, 318.5 KB) / 下载次数 14954
http://forums.xgecu.com/attachment.php?aid=475&k=21de9dfd0a0e534f65414c2a39013a65&t=1768851454&sid=IL4ele

图片附件: T74LS490B1.jpg (2021-4-28 20:06, 230.4 KB) / 下载次数 14399
http://forums.xgecu.com/attachment.php?aid=476&k=5c16b88d62bf8c5fa7b1435544c72258&t=1768851454&sid=IL4ele

附件: 74490.pdf (2021-4-28 20:06, 222.38 KB) / 下载次数 42015
http://forums.xgecu.com/attachment.php?aid=477&k=c3560fba546d7d2b7150055499b449bd&t=1768851454&sid=IL4ele

附件: 74490.lgc (2021-4-28 20:06, 2.39 KB) / 下载次数 56968
http://forums.xgecu.com/attachment.php?aid=478&k=34921c4ca3901af9159730e1293f08d9&t=1768851454&sid=IL4ele

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