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A Low-Voltage Processor for Sensing Applications With Picowatt Standby Mode

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9 Author(s)
Scott Hanson ; Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI ; Mingoo Seok ; Yu-Shiang Lin ; ZhiYoong Foo
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Recent progress in ultra-low-power circuit design is creating new opportunities for cubic millimeter computing. Robust low-voltage operation has reduced active mode power consumption considerably, but standby mode power consumption has received relatively little attention from low-voltage designers. In this work, we describe a low-voltage processor called the Phoenix Processor that has been designed at the device, circuit, and architecture levels to minimize standby power. A test chip has been implemented in a carefully selected 0.18 mum process in an area of only 915 times 915 mum2. Measurements show that Phoenix consumes 35.4 pW in standby mode and 226 nW in active mode.

Published in:

IEEE Journal of Solid-State Circuits  (Volume:44 ,  Issue: 4 )