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A 507nW self-powered SoC is demonstrated for ultra-low power (ULP) internet-of-things (IoT) applications. The SoC includes ULP system-in-package (SiP) interfaces that enable its harmonious integration with a radio transmitter (TX) and a non-volatile memory (NVM). The energy harvesting platform power manager (EH-PPM) powers the SoC as well as off-chip components and is optimized for low quiescent power...
This paper compares the impact of power supply variation on the performance of register-based and latch-based digital circuits. A 32-tap, 16-bit FIR filter is fabricated using both flip-flops and latches in a 130nm CMOS process. Measurements show 25–37% improvement in energy-efficiency for the latch-based implementation operating below 0.6V subject to 44–120mV, 1 kHz peak-peak VDD ripple. This paper...
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