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#7단계의 변경 사항

Andrew Bookholt- 에 의해 수정

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단계 라인

[* black] Shown here is a picture of the SiTime SI8002AC package with its outer protective casing removed.
[* black] An ASIC to convert the raw signals of the oscillator is stacked on top of the oscillator itself, and the two are wire-bonded together for signal transfer. This entire unit is completely sealed inside the plastic outer package.
[* black] The second picture is an X-Ray of a Bosch BMA 220 showing the stacked die configuration and wire bonds.
+ [* black] Stacking dies allows chip manufacturers to pack more functionality on the same basic footprint. This is especially important in mobile devices such as the iPhone 4 where board space is at a minimum.