CAT823, CAT824, CAT825 System Supervisory Voltage Reset with Watchdog and Manual Reset Description The CAT823, CAT824, and CAT825 provide basic reset and CAT823, CAT824, CAT825 V CC TIMEOUT LEVEL SENSE COMPARATOR & WDI* TIMER RESET V CC DIGITAL + V TOLERANCE CC DELAY BIAS V CC V CC VOLTAGE RESET* REFERENCE 52 k LEVEL SENSE MR* & DEBOUNCE * Functions Available by Device Figure 1. Block Diagram Device RESET RESET MR WDI CAT823 x x x CAT824 x x x CAT825 x x x Table 1. ABSOLUTE MAXIMUM RATINGS Parameters Ratings Units Supply Voltage 6 V All other pins 0.3 to (V + 0.3) V CC Input Current, V 20 mA CC Output Current RESET, RESET 20 mA Continuous Power Dissipations (T = +70C) mW A SC70 5lead (derate 3.1 mW/C above +70C) 247 TSOT23 5lead (derate 7.1 mW/C above +70C) 571 Storage Temperature 65 to 150 C Operating Ambient Temperature 40 to +85 C Lead Soldering (10 seconds max) +300 C ESD Rating: Low Voltage Pins V Human Body Model 2000 Machine Model 200 Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Table 2. RECOMMENDED OPERATING CONDITIONS Parameter Range Units V (T = 0C to +70C) 1.0 to 5.5 V CC A V (T = 40C to +85C) 1.2 to 5.5 V CC A All Other Pins 0.1 to (V + 0.1) V CC Ambient Temperature 40 to +85 C