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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 20760
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图片附件: 74249 - Logic Test.jpg (2021-5-24 02:53, 315.25 KB) / 下载次数 20699
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图片附件: HD74LS249P.jpg (2021-5-24 02:53, 327.2 KB) / 下载次数 20620
http://forums.xgecu.com/attachment.php?aid=599&k=3efbb38695a25bb32be8c8300fbc69e5&t=1768497865&sid=attkO4

附件: SN74LS247, SN74LS248, SN74LS249.pdf (2021-5-24 02:53, 283.58 KB) / 下载次数 16058
http://forums.xgecu.com/attachment.php?aid=600&k=40ae9aeb7f87297d316481d0342f592b&t=1768497865&sid=attkO4

附件: 74249.lgc (2021-5-24 02:53, 2.48 KB) / 下载次数 82162
http://forums.xgecu.com/attachment.php?aid=601&k=6a4be9f28c860cebfcc36048586e8288&t=1768497865&sid=attkO4

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