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Power Reduction in Flexible Silicon Thin Film Digital Circuits

Authors: T.J. Alward --- K.R. Wissmiller --- J.E. Knudsen
Journal: Iraqi Journal of Applied Physics المجلة العراقية للفيزياء التطبيقية ISSN: 18132065 23091673 Year: 2009 Volume: 5 Issue: 2 Pages: 19-23
Publisher: iraqi society for alternative and renewable energy sources and techniques الجمعية العراقية لمصادر وتقنيات الطاقة البديلة والمستجدة


Amorphous silicon (a-Si) thin-film circuits promise robust, lightweight, flexible displays and digital computation. Here, several methods for reducing standby-power while retaining logic state are investigated for such circuits. Lacking a PMOS load transistor, the conventional approach for retaining state is to dynamically shift values through memory elements. We investigate other methods and demonstrate 36x power savings by introducing a non-shifting, refresh based operating mode.

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