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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 15427
http://forums.xgecu.com/attachment.php?aid=474&k=ee4defe9e81678ad18de980ba3d12cae&t=1772948604&sid=FLdy5D

图片附件: 74490 - Logic Test.jpg (2021-4-28 20:06, 318.5 KB) / 下载次数 15522
http://forums.xgecu.com/attachment.php?aid=475&k=3bb8addd9ccc30358820875bf161e991&t=1772948604&sid=FLdy5D

图片附件: T74LS490B1.jpg (2021-4-28 20:06, 230.4 KB) / 下载次数 14983
http://forums.xgecu.com/attachment.php?aid=476&k=f056c5634b2a2a3dcc83f0f96e14e0ab&t=1772948604&sid=FLdy5D

附件: 74490.pdf (2021-4-28 20:06, 222.38 KB) / 下载次数 42471
http://forums.xgecu.com/attachment.php?aid=477&k=6642d437af238a0fb669826f39c304b9&t=1772948604&sid=FLdy5D

附件: 74490.lgc (2021-4-28 20:06, 2.39 KB) / 下载次数 60679
http://forums.xgecu.com/attachment.php?aid=478&k=0c43bd062fb5e9ca78b5d6cb6d89d1a5&t=1772948604&sid=FLdy5D

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