Please use this identifier to cite or link to this item: https://doi.org/10.1109/TCSII.2021.3059164
Title: Rail-to-Rail Dynamic Voltage Comparator Scalable down to pW-Range Power and 0.15-V Supply
Authors: ORAZIO AIELLO 
Paolo Crovetti
Pedro Toledo
ALIOTO,MASSIMO BRUNO 
Issue Date: 12-Feb-2021
Publisher: IEEE
Citation: ORAZIO AIELLO, Paolo Crovetti, Pedro Toledo, ALIOTO,MASSIMO BRUNO (2021-02-12). Rail-to-Rail Dynamic Voltage Comparator Scalable down to pW-Range Power and 0.15-V Supply. IEEE Transactions on Circuits and Systems II: Express Briefs. ScholarBank@NUS Repository. https://doi.org/10.1109/TCSII.2021.3059164
Rights: CC0 1.0 Universal
Abstract: An ultra-low voltage, ultra-low power rail-to-rail dynamic voltage comparator solely based on digital standard cells is presented. Thanks to its digital nature, the comparator can be designed and integrated with fully-automated digital design flows and can operate at very low voltages down to deep sub-threshold. Measurements on an 180nm testchip show correct operation under rail-to-rail common-mode input at a supply voltage ranging from 0.6V down to 0.15V. The comparator delay (power) is lower than 442μs (10pW) at 0.15-V supply voltage. The input offset voltage is less than 30mV over the entire rail-to-rail common-mode input and supply range. The minimum supply voltage and power are the lowest reported to date, and make the circuit suitable for direct powering from mm-scale harvesters.
Source Title: IEEE Transactions on Circuits and Systems II: Express Briefs
URI: https://scholarbank.nus.edu.sg/handle/10635/189169
DOI: 10.1109/TCSII.2021.3059164
Rights: CC0 1.0 Universal
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