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Energy efficient low static-power voltage level shifter
[摘要] References(9)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.
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 电子、光学、磁材料
[关键词] level shifter;energy efficient;sub-threshold;low-power [时效性] 
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