DS3231 shortage

Paul Andrews

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Nov 30, 2022, 4:49:19 PM11/30/22

to neonixie-l

Hot on the heels of my last post about an HV5523 shortage I've now discovered that the one remaining chip I either don't have or can't find anywhere, is the DS3231. I feel bad asking, but does anyone have a DS3231 in the SOIC-8 package they wouldn't mind selling?

This one isn't such a big issue - the clock will work fine without it, it is just a backup and I can add it to the board later.

BTW I've heard horror stories of these chips sourced from Chinese suppliers, so I'm not going to do that.

Owen Crawford

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Nov 30, 2022, 4:55:31 PM11/30/22

to neonixie-l

https://www.lcsc.com/product-detail/Real-time-Clocks-RTC_Maxim-Integrated-DS3231MZ-TRL_C107410.html

1915 in stock.

I have bought plenty of DS3231 chips and custom boards from these guys and they have never "missed a beat".

Moses

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Nov 30, 2022, 4:58:51 PM11/30/22

to neonixie-l

You can pull one from a breakout board if you really have to..

https://www.adafruit.com/product/3013

Regards,

-Moses

Nicholas Stock

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Nov 30, 2022, 5:00:16 PM11/30/22

to neoni...@googlegroups.com

I can vouch for LCSC too...never had an issue with them and their prices are (usually) very good.

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newxito

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Nov 30, 2022, 6:07:17 PM11/30/22

to neonixie-l

In 2020 I bought 100 of these chips (DS3131M +/-5ppm) from LCSC for $1.33...the good old days...so far the chips seem to be working and the accuracy is within spec according to the Maxim RTC calculator

newxito

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Nov 30, 2022, 6:14:41 PM11/30/22

to neonixie-l

sorry, I mean DS3231M...

Mike Harrison

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Dec 2, 2022, 2:53:28 AM12/2/22

to neoni...@googlegroups.com

On Wed, 30 Nov 2022 13:59:46 -0800, you wrote:

>I can vouch for LCSC too...never had an issue with them and their prices
>are (usually) very good.

I've been using LCSC a lot in recent years, mostly for parts that are unavailable elsewhere like
RS485 drivers, MOSFETs, LDO regulators and knock-off JST connector.,
The only issue I've ever had were some 74HC595s that had some missing features - this was actually
shown in the datasheet, but I didn't think to look at the datasheet of a 74HC part!

Paul Andrews

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Dec 2, 2022, 9:07:05 AM12/2/22

to neonixie-l

Thanks everyone

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