Smallest Footprint (1.2mm2), Ultra-Low Power 1 Hz - 32.768 kHz Programmable Oscillator For Li+ Unregulated Battery Powered Application, DC-Coupled Output V OH - Rail-To-Rail LVCMOS, DC-Coupled Output VOL Or AC Swing - 250mV, Packaging - 8 mm Tape & Reel, 10ku Reel