General Description
The MAX6323/MAX6324 microprocessor (µP) supervisory circuits monitor power supplies and µP activity in digital systems. A watchdog timer looks for activity outside an expected window of operation. Six laser-trimmed reset thresholds are available with ±2.5% accuracy from +2.32V to +4.63V. Valid RESET output is guaranteed down to VCC = +1.2V.
FEATUREs
♦ Min/Max (Windowed) Watchdog, 8 Factory-Trimmed Timing Options
♦ Pulsed Open-Drain, Active-Low Watchdog Output
♦ Power-On Reset
♦ Precision Monitoring of +2.5V, +3.0V, +3.3V, and +5.0V Power Supplies
♦ Open-Drain or Push-Pull RESET Outputs
♦ Low-Power Operation (23µA typ)
♦ Debounced Manual Reset Input
♦ Guaranteed Reset Valid to VCC = +1.2V
APPLICATIONs
Automotive
Industrial
Medical
Embedded Control Systems