DS1232LPSN Datasheet

Supervisory Circuits


The DS1232LPSN /LPS Low Power MicroMonitor Chip monitors three vital conditions for a microprocessor: power supply, software execution, and external over-ride. First, a precision temperaturecompensated reference and comparator circuit monitors the status of VCC. When an out-of tolerance condition occurs, an internal power-fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance condition, the reset signals are kept in the active state for a minimum of 250 ms to allow the power supply and processor to stabilize. DS1232LPSN Features • Super-low power version of DS1232• 50 µA quiescent current• Halts and restarts an out-of-control microprocessor• Automatically restarts microprocessor after power failure• Monitors pushbutton for external override• Accurate 5% or 10% microprocessor power supply monitoring• 8-pin DIP, 8-pin SOIC or space saving µ-SOP package available• Optional 16-pin SOIC package available• Industrial temperature -40°C to +85°C available, designated N


[{"Name":"Number of Voltages Monitored:","Value":"1"},{"Name":"Monitored Voltage:","Value":"4.5 V to 5.5 V"},{"Name":" Overvoltage Threshold:","Value":"4.74 V"},{"Name":"Power-Up Reset Delay (Typ):","Value":"1000 ms"},{"Name":"Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":" Minimum Operating Temperature:","Value":"- 40 C"},{"Name":" Supply Current (Typ):","Value":"200 uA"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

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