High-Speed Low-Power Boosted Level Converters for Dual Supply Systems

Sang-Keun HAN  KeeChan PARK  Young-Hyun JUN  Bai-Sun KONG  

IEICE TRANSACTIONS on Electronics   Vol.E95-C   No.11   pp.1824-1826
Publication Date: 2012/11/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E95.C.1824
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
Category: Electronic Circuits
level converter,  voltage bootstrapping,  dual supply system,  clustered voltage scaling,  

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This paper introduces novel high-speed and low-power boosted level converters for use in dual-supply systems. The proposed level converters adopt a voltage boosting at the gate of pull-down transistors to improve driving speed and reduce contention problem. Comparison results in a 0.13-µm CMOS process indicated that the proposed level converters provided up to 70% delay reduction with up to 57% power-delay product (PDP) reduction as compared to conventional level converters.