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  3. 4. the heart of the original apple ipad is the app

4. The heart of the original Apple iPad is the Apple A4 chip which operates at...

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Electrical Engineering

4. The heart of the original Apple iPad is the Apple A4 chipwhich operates at 1.0 GHz and is believed to utilize ARM Cortex-A8CPUs built with Samsung 45nm technology. Assume it dissipates 5watts using a 1.1 V power supply.

a) If a prototype made in 65 nm is available, what speed andpower consumption will the chip likely have assuming constant-fieldscaling?

b) If the supply voltage on the 65 nm part were scaled to 0.7 V,what will the power consumption and speed be then?

c) i) What supply voltage should be used by the 45 nm part toset the power consumption of 2.5 Watts?

ii) At what speed would the processor then operate?

Answer & Explanation Solved by verified expert
4.3 Ratings (778 Votes)
1 If technology scales by 1S    See Answer
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