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Energy efficient low static-power voltage level shifter

Title
Energy efficient low static-power voltage level shifter
Author
신현철
Keywords
level shifter; energy efficient; sub-threshold; low-power; SUBTHRESHOLD
Issue Date
2015-09
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Citation
IEICE ELECTRONICS EXPRESS, v. 12, No. 18, Page. 633-633
Abstract
Level shifter circuits are necessary parts of modern SoCs, as they interface different voltage domain signals. This paper presents an energy-efficient level up shifter capable of converting sub-threshold input signal to higher levels. The proposed design uses the feedback mechanism of a regulated gate cascode to achieve energy efficient operation. Once the desired output level is achieved, large static current does not flow, and static power is further minimized using a transistor stack. Implementing in a 90-nm process, post-layout simulation results show that the proposed level shifter has a propagation delay of 21.2 ns, a total energy-per-transition of only 77.5 fJ, and a static power dissipation of 7.2 nW.
URI
https://www.jstage.jst.go.jp/article/elex/12/18/12_12.20150633/_article/-char/ja/http://repository.hanyang.ac.kr/handle/20.500.11754/101472
ISSN
1349-2543
DOI
10.1587/elex.12.20150633
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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