Talk:555 timer IC

Maybe lets not use abbreviations for pin names. But if we do, then let's at least use the same pin name abbreviation for *every* diagram and text

I think to facilitate readbility for new readers, maybe we should avoid using any abbreviations for pin names. The amount of saved space doesn't seem worth it to me. Or if we do use abbreviations, then maybe lets standardize the abbreviations. For example, for the "threshold" pin I see the following used in this article:

"Threshold": "THRESHOLD", "THR", "Thr1", "TIM1"(???) "Control": "CONTROL", "CONT", "CTRL", "CV" Em3rgent0rdr (talk) 00:50, 14 July 2022 (UTC)

Similar deals with the rest of the pins having multiple abbreviation. My opinion would be to always write the full name (in all caps) for pins. Particularly considering how close the abbreviation "THR" for "threshold" and "TR" for "trigger" are. The only pin that I think can safely use the abbreviations for are VCC and "GND" and "OUT" because those are very standard pin names. Em3rgent0rdr (talk) 00:57, 14 July 2022 (UTC)

https://commons.wikimedia.org/wiki/File:555_esquema.png#/media/File:555_esquema.png does a good job in my opinion of writing out the full pin name in all caps. Interestingly "CONTROL VOLTAGE" is written as two words instead of just one word "CONTROL", I'm leaning towards just thinking one word "CONTROL" is better because those other pins "THRESHOLD" and "TRIGGER" are analog voltages as well. I am thinking can write V_CONTROL when specifically talking about its voltage rather than the pin...and that subscript usage can go for every other pin in the text when talking about the voltage of a particular pin. Em3rgent0rdr (talk) 02:40, 14 July 2022 (UTC)

Note: 555 timer IC#Pinout writes them exactly how I want...a fully-spelled one-word name for each pin in all caps (except GND and VCC cause those are standard abbreviations). Em3rgent0rdr (talk) 02:59, 14 July 2022 (UTC)

another inconsistency that is bugging me is how sometimes the trigger pin is written without a line over it but sometimes is. I would just say get rid of the line over TRIGGER for every mention of it. (I understand it is connected to the non-inverting input of its comparator, but still it is positive analog voltage, unlike RESET which is a digital voltage for which the overline make sense as standard usage to mean its digital inverse). Em3rgent0rdr (talk) 03:21, 14 July 2022 (UTC)

The root problem is various creators of drawings have used many different names over the years. To fix the problem, all of the drawings need to be fixed, but have to be careful, because some of these drawings may be used in wiki's of other languages (need to check first). If drawings were easy to fix, then it would have already been fixed long ago. • Sbmeirow • Talk • 05:32, 14 July 2022 (UTC)

The one word pin names in the "Pinout" table is what I recommend. • Sbmeirow • Talk • 05:32, 14 July 2022 (UTC)

Ground GND

Trigger TRG

Out OUT

Reset RST

Vcc VCC

Discharge DIS

Threshold THR

Control CTRL Soupflood (talk) 17:41, 8 September 2024 (UTC)

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I believe there is a minor error

In the release dates, the 555 was released also in a 14 pin DIP. The article calls this a 556, which came later. 2A00:23C7:F583:3501:1B6E:666B:EEA1:CA64 (talk) 16:42, 27 February 2024 (UTC)

Please post a link to proof to back up this claim. • Sbmeirow • Talk • 06:41, 28 February 2024 (UTC)