Time-differential sense amplifier for sub-80mV bitline voltage embedded STT-MRAM in 40nm CMOS. - Mihail Jefremow; Thomas Kern; Wolf Allers; Christian Peters; Jan Otterstedt; Othmane Bahlous; Karl Hofmann; Robert Allinger; Stephan Kassenetter; Doris Schmitt-Landsiedel (ISSCC, 2013)