Product Summary

The STC811T microprocessor (μP) supervisory circuit targeted to improve reliability and accuracy of power-supply circuitry in μP systems. The device reduces the complexity and number of components required to monitor power-supply and battery functions. The applications of the STC811T include Power-supply circuitry in μP systems.

Parametrics

STC811T absolute maximum ratings: (1)Storage Temperature: -65℃ to +150℃; (2)Ambient Temperature with Power Applied: -40℃ to +85℃; (3)Supply Voltage to Ground Potential (Vcc to GND): -0.3V to +7.0V; (4)DC Input Voltage (All inputs except Vcc and GND): -0.3V to VCC+0.3V; (5)DC Output Current (All outputs): 20mA; (6)Power Dissipation: 320mW.

Features

STC811T features: (1)200ms reset pulse width; (2)Debounced CMOS-compatible manual-reset input (811, 812, 823, 825, 6342-6344); (3)Reset Output Signal for Watchdog and Power Abnormal, Manual Reset; (4)Reset Push-Pull output (STC809, 811, 823, 824, 825, 6342, 6345); (5)Reset Open-Drain output (STC803/6343); (6)Voltage monitor for power-fail or low battery warning; (7)Guaranteed RESET/RESET valid at VCC = 1.0V.

Diagrams

STC811T block diagram