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Microchip sets low-power record

Die photo of the Phoenix Processor. (Credit: University of Michigan)
by Staff Writers
Ann Arbor, Mich. (UPI) Jun 17, 2008
U.S. scientists say they've created a microchip that uses 1/30,000th the power in sleep mode and 1/10th as much in active mode than regular chips.

The Phoenix Processor -- developed at the University of Michigan and which set a low-power record -- is intended for use in cutting-edge sensor-based devices such as medical implants, environment monitors or surveillance equipment.

The project leaders, doctoral students Scott Hanson and Mingoo Seok, said their chip consumes 30 picowatts during sleep mode. A picowatt is one-trillionth of a watt. The researchers said the energy stored in a watch battery would theoretically be enough to run the Phoenix for 263 years.

Hanson will present the research Friday during the Institute of Electrical and Electronics Engineers' Symposium on VLSI Circuits.

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Designing Microchips That Contain Multiple Selves
Houston TX (SPX) Jun 13, 2008
Rice University computer engineers have created a way to design integrated circuits that can contain many multiple selves. The chips can assume one identify or a subset of identities at a time, depending on the user's needs.







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