today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
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@jernej__s @amy I had the same experience (I plugged it into my Steam Deck)
@whitequark @amy Hey, I just found another 1TB microSD card I forgot about!
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark and all that just to create a storage format that's too small for human hands to handle.
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@whitequark and all that just to create a storage format that's too small for human hands to handle.
@cm shhhhh... if you say that too loudly they'll make a nanoSD card
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@cm shhhhh... if you say that too loudly they'll make a nanoSD card
@whitequark /me deletes previous toot
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if you think that the precariously balanced tower of flash above is an inaccurate representation of what's going on, i can reassure you that
(a) this is exactly how it looks like, and
(b) SK Hynix is up to 24 layers already (not sure in what application)
Semiconductor Back-end Process 4: Packages, Part 2
This article will explore packaging technologies that combine multiple packages and components within a single product.
SK hynix Newsroom - (news.skhynix.com)
@whitequark
When are people going to be buying old cards on eBay to scavenge the gold wire? -
today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark .7mm ea * 16 = 11.6mm thick not inc. substrate........ thats a beefy card.?
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@whitequark .7mm ea * 16 = 11.6mm thick not inc. substrate........ thats a beefy card.?
@whitequark oh wait, yea, its too early for me to be making social media posts, going to go get coffee. bbl.
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@whitequark
When are people going to be buying old cards on eBay to scavenge the gold wire?@RealGene they do buy ewaste for this already
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@RealGene they do buy ewaste for this already
@whitequark
Yup. I made a few bucks selling obsolete chips that happened to have gold plated caps… -
today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark is this what the Tower of Babel looked like before it fell
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@RealGene they do buy ewaste for this already
@whitequark @RealGene although almost anything made in the last 10ish years is copper bonded now
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark @joe foolish rocks, you will do our microscopic bidding!
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark Is this "3D NAND" and similar? I always wondered how they achieved the stacking!
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if you think that the precariously balanced tower of flash above is an inaccurate representation of what's going on, i can reassure you that
(a) this is exactly how it looks like, and
(b) SK Hynix is up to 24 layers already (not sure in what application)
Semiconductor Back-end Process 4: Packages, Part 2
This article will explore packaging technologies that combine multiple packages and components within a single product.
SK hynix Newsroom - (news.skhynix.com)
@whitequark also each flash die has several hundred layers of stacked bit cells
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@whitequark also each flash die has several hundred layers of stacked bit cells
@azonenberg yep! Samsung got up to 400 layers last year
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@whitequark Is this "3D NAND" and similar? I always wondered how they achieved the stacking!
@attie no, 3D NAND is having (up to 400 in recent flash) layers of NAND cells in each die
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@azonenberg yep! Samsung got up to 400 layers last year
@whitequark the last one i threw in the fib was "only" 176 iirc
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark also looking at that diagram it seems like the 16 die stack is actually two 8 die onfi channels on top of each other mirrored with one coming out the left and one out the right
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark now if we'd only build flash for a purpose other than storing content that's been stolen by our AI overlords
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@attie no, 3D NAND is having (up to 400 in recent flash) layers of NAND cells in each die
@whitequark Oh, intriguing - thanks!
