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Considering that quartz has a ton of limitations, MEMS and other digital oscillators are ready to step in the moment that quartz is cost prohibitive.

We're already at a breaking point for low frequency quartz. You literally can't get it small enough for modern packages until you up the frequency. Find a 2x2mm 8Mhz part, I'll wait while you fail.

We're JUST NOW starting to get standardization on SMD oscillators in common packages, and these packages have typically pin incompatible (an enable pin instead of a two pin pierce oscillator setup) but same footprint digital alternatives about.

Maybe you read an article, but is incorrect to say we're being held up by quartz availability.




Best I can do right now is TXC AV08000301, which is 3.2x2.5mm.

I'm surprised you even need one like that. Most modern electronics to use clock dividers or multipliers anyways, especially once your chip is small enough that you need a 2x2mm xtal. Or they just have an internal low-accuracy oscillator. In my experience one of the plentiful 4-pin 2520 or 3225 ones usually does the job, and the market has done a decent job standardizing their footprint.




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