Energy Management Technology
   
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Energy Management Technology


In the power and energy balance, Freescale's innovators reign


Freescale is a leader in power management techniques. We recognize that power and energy are the biggest challenge facing designers and customers across a broad range of markets and applications. We are attacking power management at every level, from process and design technologies to system-level design and development software.

Everything we do is designed around power management that provides customers the greatest application possibilities.


Leading the Way in Cutting-Edge Techniques


We've developed and perfected processes and techniques enabling low-power performance, including

  • Active well bias
  • Metallization IR drop reduction
  • Dynamic voltage frequency scaling
  • Dynamic process temp control
  • Level shifting
  • State retention power gating
  • Ultra low leakage transistors/circuit tech
  • Dynamic correction of timing in DVFS

Perfecting Transistors


We've revolutionized transistors in several areas, including—

  • Transport
    • High mobility/injection velocity (STRAIN)
    • High drive current for low intrinsic delay
  • Electrostatics
    • Retain gate control over channel
    • Minimize OFF-state drain-source leakage
  • Parasitic
    • Reduced extrinsic resistance (ErSi, PrSi)
    • Low K spacers
    • Laser anneals
  • Gate Dialectric
    • Gate leakage/scaling
    • Reduced power consumption
  • Metal Gates
    • Gate depletion

Hierarchical View of Freescale Energy Conservation


Freescale offers a comprehensive solution to energy management which includes process, circuits, architecture, platform, methodology and system level software as a holistic approach to controlling a system's energy. Freescale's design techniques help tune our systems for the best power/performance trade-offs.

System Software Dynamic system monitoring (app, OS, middleware, hardware) and intelligent dynamic control (in time, temperature) of deployed energy saving techniques
Design Methodology and Tools System-to-silicon IC design optimisation across power, throughput, latency, area constraints
Platform Techniques Power trees, connectivity of components, and platform power modes
Architectural Techniques Heterogeneous processing resource optimization: MCU, DSP, accelerators, functional processing units
Circuit Techniques Hardware support for power gating, low-power idle modes, workload monitoring, Dynamic Proc/Temp Compensation, etc.
Process Technology Transistor design, low-power technology libraries, the capability to mix and match devices with different threshold voltages and gate oxides

Our 90nm low-power CMOS technology and transistor innovation are challenging standards limits on power, energy, and size. Our 90nm low-power technology includes MAX91321–3G Baseband, ARM 1136 @ 532Mhz, StarCore DSP, over 101 million transistors, six to nine layers of Cu metal, dynamic voltage and frequency, and units with a <70nm minimum feature size.

Energy-Efficient Solutions


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