View max6342 datasheet:

19-1568; Rev 1; 3/00 6-Pin µP Reset Circuit with Power-Fail Comparator General Description Features The MAX6342–MAX6345 family of microprocessor (µP) ¦ Small 6-Pin SOT23 Package supervisory circuits monitors power supplies in digital sys- ¦ Precision Factory-Set VCC Reset Thresholds tems. These devices significantly improve system reliabili- Between 2.33V and 4.63V ty and accuracy compared to separate ICs or discrete components. ¦ Guaranteed RESET Valid to VCC = +1V The MAX6342–MAX6345 provide factory-trimmed VCC ¦ 100ms min Reset Pulse Width reset threshold voltages from 2.33V to 4.63V and operate with supply voltages between +1V and +5.5V. A +1.25V ¦ Debounced CMOS-Compatible Manual-Reset threshold detector allows for a power-fail warning, for Input low-battery detec