A Novel Floating High-Voltage Level Shifter with Pre-Storage Technique

Li, Qiang, Yang, Yuan, Ma, Haohao, Zhou, Yangle, You, Guolong, Zhang, Minmin, and Xiang, Wei (2022) A Novel Floating High-Voltage Level Shifter with Pre-Storage Technique. Sensors, 22 (5). 1774.

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Abstract

This paper proposes a novel floating high-voltage level shifter (FHV-LS) with the pre-storage technique for high speed and low deviation in propagation delay. With this technology, the transmission paths from input to output are optimized, and thus the propagation delay of the proposed FHV-LS is reduced to as low as the sub-nanosecond scale. To further reduce the propagation delay, a pull-up network with regulated strength is introduced to reduce the fall time, which is a crucial part of the propagation delay. In addition, a pseudosymmetrical input pair is used to improve the symmetry of FHV-LS structurally to balance between the rising and falling propagation delays. Moreover, a start-up circuit is developed to initialize the output state of FHV-LS during the VDDH power up. The proposed FHV-LS is implemented using 0.3-µm HVCMOS technology. Post-layout simulation shows that the propagation delays and energy per transition of the proposed FHV-LS are 384 ps and 77.7 pJ @VH = 5 V, respectively. Finally, the 500-points Monte Carlo are performed to verify the performance and the stability.

Item ID: 74595
Item Type: Article (Research - C1)
ISSN: 1424-8220
Keywords: Floating high-voltage level shifter, HVCMOS, Low propagation delay, Pre-storage, Pseudosymmetry, Regulated strength
Copyright Information: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license https://creativecommons.orglicenses/by/4.0/).
Date Deposited: 24 Nov 2022 01:51
FoR Codes: 40 ENGINEERING > 4009 Electronics, sensors and digital hardware > 400999 Electronics, sensors and digital hardware not elsewhere classified @ 100%
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