| Citation: |
Liu Ming, Chen Hong, Zhang Chun, Li Changmeng, Wang Zhihua. A light-powered sub-threshold microprocessor[J]. Journal of Semiconductors, 2010, 31(11): 115002. doi: 10.1088/1674-4926/31/11/115002
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Liu M, Chen H, Zhang C, Li C M, Wang Z H. A light-powered sub-threshold microprocessor[J]. J. Semicond., 2010, 31(11): 115002. doi: 10.1088/1674-4926/31/11/115002.
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Abstract
This paper presents an 8-bit sub-threshold microprocessor which can be powered by an integrated photosensitive diode. With a custom designed sub-threshold standard cell library and 1 kbit sub-threshold SRAM design, the leakage power of 58 nW, dynamic power of 385 nW @ 165 kHz, EDP 13 pJ/inst and the operating voltage of 350 mV are achieved. Under a light of about 150 kLux, the microprocessor can run at a rate of up to 500 kHz. The microprocessor can be used for wireless-sensor-network nodes. -
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