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crwdns2933797:0Miroslav Djuriccrwdnd2933797:0crwdne2933797:0
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[* black] Before dismantling it, Chipworks took an X-ray image of the A4 processor to get a feel for how things are laid out inside. | |
- | [* black] If you look closely, you can see hundreds of thread-like interconnects that carry electronic signals between dies. |
+ | [* black] If you look closely, you can see hundreds of thread-like interconnects (wirebonds) that carry electronic signals between dies. |
[* black] The A4 has three layers: Two layers of RAM (Samsung K4X1G323PE), and one layer containing the actual microprocessor. | |
[* black] This Package-on-Package construction gives Apple the flexibility to source the RAM from any manufacturer they want—they're not locked into Samsung. |