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标题: New Logic Test - 74249 Vector Table [打印本页]

作者: yovish 时间: 2021-5-24 02:54 标题: New Logic Test - 74249 Vector Table

Enclosed is the new layout to be added to the logic tests.
The test was performed on the HD74LS249P (BCD-to-Seven-Segment Decoder/Driver, open-collector outputs) chip from Hitatchi.

图片附件: 74249 - Logic Vector.jpg (2021-5-24 02:52, 340.81 KB) / 下载次数 20773
http://forums.xgecu.com/attachment.php?aid=597&k=e16acaf0882b677cb845d3e3a7337d41&t=1768523252&sid=XPkTHv

图片附件: 74249 - Logic Test.jpg (2021-5-24 02:53, 315.25 KB) / 下载次数 20705
http://forums.xgecu.com/attachment.php?aid=598&k=c8fa98cfc84dfd8b47a26bc6408cb4b9&t=1768523252&sid=XPkTHv

图片附件: HD74LS249P.jpg (2021-5-24 02:53, 327.2 KB) / 下载次数 20628
http://forums.xgecu.com/attachment.php?aid=599&k=a75ee8db5585484318f0d81129b7db99&t=1768523252&sid=XPkTHv

附件: SN74LS247, SN74LS248, SN74LS249.pdf (2021-5-24 02:53, 283.58 KB) / 下载次数 16065
http://forums.xgecu.com/attachment.php?aid=600&k=f03cbc36ef4eb5218e68621ca50e7f66&t=1768523252&sid=XPkTHv

附件: 74249.lgc (2021-5-24 02:53, 2.48 KB) / 下载次数 82189
http://forums.xgecu.com/attachment.php?aid=601&k=acb0b1853676a775a1e9bb146813b418&t=1768523252&sid=XPkTHv

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