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Author Topic: Why does TI invented ovn logic symbol like his one? Where is reference for that?  (Read 632 times)

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Offline mustafakerbTopic starter

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Why does TI invented ovn logic symbol like his one? Where is reference for that?
« on: May 26, 2022, 04:23:01 pm »
from Ti datasheet SN74LVC07A, where to find table reference with this expanded logic symbols? Thx.
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Online xrunner

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Re: Why does TI invented ovn logic symbol like his one? Where is reference for that?
« Reply #1 on: May 26, 2022, 04:34:53 pm »
Open collector (or Drain) symbol. It's used, just search for "open collector" and look at Google images ...
« Last Edit: May 26, 2022, 05:23:00 pm by xrunner »
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Offline ejeffrey

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Re: Why does TI invented ovn logic symbol like his one? Where is reference for that?
« Reply #2 on: May 26, 2022, 04:42:09 pm »
I've definitely seen it used for open collector / open drain outputs, but I don't know of a comprehensive or authoritative reference that would cover this.
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Offline gamalot

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Re: Why does TI invented ovn logic symbol like his one? Where is reference for that?
« Reply #3 on: May 26, 2022, 05:03:22 pm »
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Offline AlfBaz

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Re: Why does TI invented ovn logic symbol like his one? Where is reference for that?
« Reply #4 on: May 26, 2022, 05:08:27 pm »
Also defined in IEC 617-12:1991
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Offline Terry Bites

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Re: Why does TI invented ovn logic symbol like his one? Where is reference for that?
« Reply #5 on: May 26, 2022, 05:19:32 pm »
Yes "the new logic symbols" introduced a mere 38 years ago. The symbols we all politely ignore. I have correctly identified this symbol as a pantograph gate. Used in Y-Fronts I believe.
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Offline mustafakerbTopic starter

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Re: Why does TI invented ovn logic symbol like his one? Where is reference for that?
« Reply #6 on: May 28, 2022, 01:12:08 am »
Many thanks for all of you for clear explanation and especially for the links!
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