2015 IEEE Symposium in Low-Power and High-Speed Chips (COOL CHIPS XVIII)
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Abstract

We present an ultra-low-power Microcontroller Unit (MCU) with an embedded atom switch ROM, which performs a 0.33–1.2 V operation voltage and 46.8-µA/MHz active current (or 18.26-µW/MHz active power). The MCU is fabricated by the hybrid of Silicon-On-Thin-Buried-oxide (SOTB) CMOS and bulk CMOS [1]. The SOTB CMOS with a body-bias voltage control realizes a high drivability up to 40-MHz operation at 0.54 V and small sleep power (0.628 µW), simultaneously.
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