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DS1832 Datasheet PDF - Dallas Semiconductor -> Maxim Integrated

1832 image

Part Name
DS1832

Other PDF
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page
7 Pages

File Size
107.2 kB

MFG CO.
Dallas
Dallas Semiconductor -> Maxim Integrated Dallas

DESCRIPTION
The DS1832 3.3-Volt MicroMonitor monitors three vital conditions for a microprocessor: power supply, software execution, and external override. First, a precision temperature-compensated reference and comparator circuit monitor the status of VCC. When an out-of-tolerance condition occurs, an internal power-fail signal is generated which forces the resets to an 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.


FEATURES
■ Halts and restarts an out-of-control microprocessor
■ Holds microprocessor in check during power transients
■ Automatically restarts microprocessor after power failure
■ Monitors pushbutton for external override
■ Accurate 10% or 20% microprocessor power monitoring
■ Eliminates need for discrete components
■ 20% tolerance for use with 3.0-volt systems
■ Pin-compatible with the DS1232
■ Low cost 8-pin DIP, 8-pin SOIC, and space
   saving µ-SOP packages available
■ Industrial temperature range of -40°C to +85°C


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