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标题: New Logic Test - 7491 Vector Table [打印本页]

作者: yovish 时间: 2021-4-28 01:15 标题: New Logic Test - 7491 Vector Table

Enclosed is the new layout to be added to the logic tests.
The test was performed on the M74LS91P (shift register 8-bit) chip from Mitsubishi.

图片附件: 7491 - Logic Vector.jpg (2021-4-28 01:14, 447.79 KB) / 下载次数 23248
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图片附件: 7491 - Logic Test.jpg (2021-4-28 01:14, 310.65 KB) / 下载次数 22230
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图片附件: M74LS91P.jpg (2021-4-28 01:14, 243.38 KB) / 下载次数 21565
http://forums.xgecu.com/attachment.php?aid=470&k=479357a87854a44acb6a9afc1fd7c3f2&t=1773189610&sid=DK8nwH

附件: 74LS91.pdf (2021-4-28 01:15, 220.01 KB) / 下载次数 15052
http://forums.xgecu.com/attachment.php?aid=471&k=cabb4058d6b1bec567007aaf66b8bbc6&t=1773189610&sid=DK8nwH

附件: 7491.lgc (2021-4-28 01:15, 2.62 KB) / 下载次数 100985
http://forums.xgecu.com/attachment.php?aid=472&k=e35fdf92715cce4226ea49ae0b5a41c5&t=1773189610&sid=DK8nwH

作者: yovish 时间: 2021-5-26 19:45

I am giving the correct version of the tests for the 7491 chip. The previous version is wrong.

An interesting fact is that this IC cannot be recognized automatically (Auto Find), possibly because the first few lines of the logic vector do not validate any logical values.

图片附件: 7491 - Logic Vector.jpg (2021-5-26 19:44, 381.95 KB) / 下载次数 22602
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图片附件: 7491 - Logic Test.jpg (2021-5-26 19:44, 308.97 KB) / 下载次数 22057
http://forums.xgecu.com/attachment.php?aid=614&k=4764e8e57cee348ad94f44f73a05bce6&t=1773189610&sid=DK8nwH

附件: 7491.lgc (2021-5-26 19:45, 14.06 KB) / 下载次数 100933
http://forums.xgecu.com/attachment.php?aid=615&k=b095905227326b63064dd8f2d80ebb0c&t=1773189610&sid=DK8nwH

作者: admin 时间: 2021-7-16 08:11

回复 2# yovish

this is a bad logic file

作者: yovish 时间: 2021-7-17 03:26

I put a freshly generated LGC file.

附件: 7491.lgc (2021-7-17 03:26, 2.62 KB) / 下载次数 89219
http://forums.xgecu.com/attachment.php?aid=740&k=037844bd14c7dcb7ae836916cb754f44&t=1773189610&sid=DK8nwH

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