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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 22893
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图片附件: 74249 - Logic Test.jpg (2021-5-24 02:53, 315.25 KB) / 下载次数 22750
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图片附件: HD74LS249P.jpg (2021-5-24 02:53, 327.2 KB) / 下载次数 22703
http://forums.xgecu.com/attachment.php?aid=599&k=b0ba59569117c0c0b3ee26529dd2d69a&t=1776958867&sid=CeZ3Jj

附件: SN74LS247, SN74LS248, SN74LS249.pdf (2021-5-24 02:53, 283.58 KB) / 下载次数 18014
http://forums.xgecu.com/attachment.php?aid=600&k=134e6a2f31518a541050707fa69d46e5&t=1776958867&sid=CeZ3Jj

附件: 74249.lgc (2021-5-24 02:53, 2.48 KB) / 下载次数 92455
http://forums.xgecu.com/attachment.php?aid=601&k=3f9141fb447b115ac8192c928eafe9aa&t=1776958867&sid=CeZ3Jj

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