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Apple Watch’s S1 chip uses Samsung’s 28-nanometer process

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Apple Watch’s S1 chip uses Samsung’s 28-nanometer process

At the guts of the Apple Watch is Apple’s in-space designed ‘S1’ element that actually places a whole pc structure onto a unmarried chip — an business time period you’re on the lookout for is device-in-package deal (SiP) layout.

The paintings at the S1 chip didn’t finish there, despite the fact that, it seems that, as ABI Research has performed much more paintings to determine what, precisely, makes the S1 tick. While the former teardown found out that the chip gives 512MB of RAM and different necessary knowledge, there used to be nonetheless extra to take aside. As a outcome, the crowd made up our minds the source of 30 other person portions inside the small 26mm x 28mm chip:
“Apple and/or their providers have designed and synthetic a 26 mm x 28 mm package deal that may be very distinctive. Let’s believe its development for a second. We have a not unusual motherboard to which all the parts (wafer scale programs, PoPs, BGAs, and so on.) were hooked up. The whole motherboard, with all of its parts, is then overmolded with a packaging compound containing silica or alumina spheres suspended in a resin. We see this similar form of subject matter in typical IC packaging, however we now have by no means noticed this getting used over a 26 mm x 28 mm motherboard.“
An fascinating little bit of the in-intensity glance found out extra concerning the production process of the APL0778 software processor. According to the record, it used to be synthetic via Samsung’s 28-nanometer process, which is identical process that used to be used for units just like the iPhone 5s. While Ars Technica notes that that is a long way from state of the art presently, it does define the expansion that may occur with the Apple Watch’s next fashions:
“…if Apple is going with a more recent process in subsequent-era Apple Watch hardware, it will have to in fact have a good bit of headroom to scale back energy intake, fortify efficiency, scale back the volume of bodily area the chip wishes, or a few aggregate of all 3.“ 
If constructed on a smaller-than-28nm process generation, it will allow quicker efficiency, decrease energy intake and a smaller die measurement, probably liberating up room for probably the most well being sensors that reportedly didn’t make it into the present model of the Watch.

Seen beneath: the sealed S1 package deal.
 So what's your feelings ?

Source: Chipworks
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