Large Within-Die Gate Delay Variations in Sub-Threshold Logic Circuits at Low Temperature.
Ryo TakahashiHidehiro TakataTadashi YasufukuHiroshi FuketaMakoto TakamiyaMasahiro NomuraHirofumi ShinoharaTakayasu SakuraiPublished in: IEEE Trans. Circuits Syst. II Express Briefs (2012)