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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 23464
http://forums.xgecu.com/attachment.php?aid=597&k=98d21b1e19af9a9c53de52f7cadbbc36&t=1781335663&sid=h9CZ91

图片附件: 74249 - Logic Test.jpg (2021-5-24 02:53, 315.25 KB) / 下载次数 23360
http://forums.xgecu.com/attachment.php?aid=598&k=93ba0fc3887dd560d7b8dc6a785511c2&t=1781335663&sid=h9CZ91

图片附件: HD74LS249P.jpg (2021-5-24 02:53, 327.2 KB) / 下载次数 23286
http://forums.xgecu.com/attachment.php?aid=599&k=7d47c3eea636a91a73fefb26d50bfc34&t=1781335663&sid=h9CZ91

附件: SN74LS247, SN74LS248, SN74LS249.pdf (2021-5-24 02:53, 283.58 KB) / 下载次数 18600
http://forums.xgecu.com/attachment.php?aid=600&k=b714917b03e3ebbca5be585ae11722d4&t=1781335663&sid=h9CZ91

附件: 74249.lgc (2021-5-24 02:53, 2.48 KB) / 下载次数 96076
http://forums.xgecu.com/attachment.php?aid=601&k=3f76f3697a3c5107ebc3f0ddacc90f1d&t=1781335663&sid=h9CZ91

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