This datasheet provides STM1810, STM1811, STM1812, STM1813 STM1815, STM1816, STM1817, STM1818 features description, including precision monitoring of 3V, 3.3V, and 5V supply voltages, four output configurations, reset pulse width, low supply current, guaranteed assertion down to VCC = 1.0V, factory-trimmed reset thresholds, power supply transient immunity, push-button/manual reset detect, operating temperature, ±2.5% reset threshold accuracy and SOT23-3 package.