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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 16283
http://forums.xgecu.com/attachment.php?aid=597&k=01fd462e36ee4a0ea06571c4109a5f0b&t=1752776149&sid=qBsZQt

图片附件: 74249 - Logic Test.jpg (2021-5-24 02:53, 315.25 KB) / 下载次数 16376
http://forums.xgecu.com/attachment.php?aid=598&k=2f8f0f50ee929694090d68d4f5147544&t=1752776149&sid=qBsZQt

图片附件: HD74LS249P.jpg (2021-5-24 02:53, 327.2 KB) / 下载次数 16375
http://forums.xgecu.com/attachment.php?aid=599&k=069511d281f96a764dbbfd1240f93180&t=1752776149&sid=qBsZQt

附件: SN74LS247, SN74LS248, SN74LS249.pdf (2021-5-24 02:53, 283.58 KB) / 下载次数 13087
http://forums.xgecu.com/attachment.php?aid=600&k=d854be775a84b519f01087716f60fe8b&t=1752776149&sid=qBsZQt

附件: 74249.lgc (2021-5-24 02:53, 2.48 KB) / 下载次数 66459
http://forums.xgecu.com/attachment.php?aid=601&k=1db090907e002ea0bde0f283a7f8e45f&t=1752776149&sid=qBsZQt

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