TS861, TS862, TS864 are rail-to-rail micropower BiCMOS comparators from Renesas, featuring ultra low current consumption, rail to rail CMOS inputs, push pull outputs, supply operation from 2.7 to 10 V, low propagation delay, 2 kV ESD protection and A class latch-up immunity. It is suitable for battery-powered systems, portable communication systems, smoke/gas/fire detectors, portable computers and more.