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Embedded Intel Optane?

Started by Rick C September 12, 2019
I was asking about Optane memory in another group and it occurred to me that while it is to expensive to make a SSD from, is it affordable to use at smaller scale?  It is supposed to be cheaper, but slower than RAM, faster but more expensive than Flash.  Would Optane be compatible enough with MCU processing that it could be included on chip instead of Flash?  

They have to play games to make flash not hold back even mid-range MCUs.  Optane might be fast enough to allow even chips like those used in cell phones fly.  

The rPi uses an SDRAM soldered on top of the CPU.  To get on that bus the Optane might need to be in the same package with the SDRAM or do they stack memory chips in layers with through vias? 

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  Rick C.

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torsdag den 12. september 2019 kl. 18.35.03 UTC+2 skrev Rick C:
> I was asking about Optane memory in another group and it occurred to me that while it is to expensive to make a SSD from, is it affordable to use at smaller scale? It is supposed to be cheaper, but slower than RAM, faster but more expensive than Flash. Would Optane be compatible enough with MCU processing that it could be included on chip instead of Flash? > > They have to play games to make flash not hold back even mid-range MCUs. Optane might be fast enough to allow even chips like those used in cell phones fly. > > The rPi uses an SDRAM soldered on top of the CPU. To get on that bus the Optane might need to be in the same package with the SDRAM or do they stack memory chips in layers with through vias? >
afaik only the oldest rPi used stacked dies. With the faster chips heat becomes a problem