View mic7211 datasheet:

MIC7211/7221 Micrel MIC7211/7221 IttyBitty™ Rail-to-Rail Input Comparator Final Information General Description Features The MIC7211 and MIC7221 are micropower comparators • Small footprint SOT-23-5 package featuring rail-to-rail input performance in Micrel’s IttyBitty™ • Guaranteed performance at 2.2V, 2.7V, 5V, and 10V SOT-23-5 package. The MIC7211/21 is ideal for systems • 7µA typical supply current at 5V where small size is a critical consideration. • <5µs response time at 5V • Push-pull output (MIC7211) The MIC7211/21 is optimized for single supply operation • Open-drain output (MIC7221) from 2.2V to 10V power supplies. • Input voltage range may exceed supply voltage by 0.3V The MIC7211 features a conventional push-pull output while • >100mA typical sink or source the