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This paper reports on the first implementation of low voltage complementary logic (< 1.5 V) by using body-biased aluminum nitride (AlN) piezoelectric MEMS switches. For the first time, by using opposite body biases the same mechanical switch has been made to operate as both an ntype and p-type (complementary) device. Body-biasing also gives the ability to precisely tune the threshold voltage of a switch. The AlN MEMS switches have shown extremely small subthreshold slopes and threshold voltages as low as 0.8 mV/dec and 30 mV, respectively. Furthermore, this work presents a fully mechanical body-biased inverter formed by two AlN MEMS switches operating at 100 Hz with a ± 1.5 V voltage swing.
Sinha, Nipun; Jones, Timothy S.; Guo, Zhijun; and Piazza, Gianluca, "Body-Biased Complementary Logic Implemented Using AIN Piezoelectric MEMS Switches" (2009). Departmental Papers (MEAM). 257.
Date Posted: 09 November 2010
This document has been peer reviewed.