Description
The MIC1832 is a multifunction circuit which monitors microprocessor activity, external reset and power supplies in microprocessor based systems. The circuit functions include a watchdog timer, power supply monitor, microprocessor reset, and manual pushbutton reset input.
FEATUREs
â–ª Power OK/Reset Time Delay, 250ms min.
â–ª Watchdog Timer, 150ms, 600ms, or 1.2s typical
â–ª Precision Supply Voltage Monitor, Select
Between 5% or 10% of Supply Voltage
â–ª Available in 8-pin Surface Mount (SO)
â–ª Debounced External Reset Input
▪ Low Supply Current, < 18µA Typ.
Typical Applications
â–ª Automotive Systems
â–ª Intelligent Instruments
â–ª Critical Microprocessor Power Monitoring
â–ª Battery Powered Computers
â–ª Controllers