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EconoReset with Pushbutton, Active-Low, 0V-5.5Vin, SOT-23-3Product OverviewThe DS1813 EconoReset uses a precision temperature reference and comparatorcircuit to monitor the status of the power supply (VCC). When anout-of-tolerance condition is detected, an internal power-fail signal isgenerated which forces reset to the active state. When VCC returns to anin-tolerance condition, the reset signal is kept in the active state forapproximately 150ms to allow the power supply and processor to stabilize. TheDS1813 also monitors a pushbutton on the reset output. If the reset line ispulled low, a reset is generated upon release and will be held in reset outputlow for typically 150ms.Automatically Restarts a Microprocessor After Power FailureMonitors Pushbutton for External OverrideMaintains Reset for Typically 150ms After Vcc Returns to an In-ToleranceConditionReduces Need for Discrete ComponentsPrecision Temperature-Compensated Voltage Reference and Voltage SensorEfficient Open-Drain Output with Internal 5.5kR Pullup ResistorProduct InformationThreshold Voltage: 4.35VNo. of Supervisors / Monitors: 1MonitorsSupply Voltage Min: 0VSupply Voltage Max: 5.5VReset Type: Active-LowDigital IC Case: SOT-23No. of Pins: 3PinsDelay Time: 150msOperating Temperature Min: -40°COperating Temperature Max: 85°C
