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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 23817
http://forums.xgecu.com/attachment.php?aid=597&k=019f0875e88ed7f7f8a169d851377e4e&t=1793839601&sid=q066ku

图片附件: 74249 - Logic Test.jpg (2021-5-24 02:53, 315.25 KB) / 下载次数 23689
http://forums.xgecu.com/attachment.php?aid=598&k=121c448b9cb6159c39fe680ce530c7eb&t=1793839601&sid=q066ku

图片附件: HD74LS249P.jpg (2021-5-24 02:53, 327.2 KB) / 下载次数 23638
http://forums.xgecu.com/attachment.php?aid=599&k=5c70ef7883bbecba43e30ed8b7dc581f&t=1793839601&sid=q066ku

附件: SN74LS247, SN74LS248, SN74LS249.pdf (2021-5-24 02:53, 283.58 KB) / 下载次数 19394
http://forums.xgecu.com/attachment.php?aid=600&k=7ee770ad3e8a653f2bb38f554893988f&t=1793839601&sid=q066ku

附件: 74249.lgc (2021-5-24 02:53, 2.48 KB) / 下载次数 96743
http://forums.xgecu.com/attachment.php?aid=601&k=31c5d4a4e54b8f9e44f7fea0e4fb5001&t=1793839601&sid=q066ku

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