CAT803RTBI-T3 ON Semiconductor

CAT803, CAT809, CAT810 3-Pin Microprocessor Power Supply Supervisors Description The CAT803, CAT809, and CAT810 are supervisory circuits that monitor power supplies in digital systems. The CAT803, CAT809, and CAT803, CAT809, CAT810 Table 1. THRESHOLD SUFFIX SELECTOR Nominal Threshold Voltage Threshold Suffix Designation 4.63 V L 4.55 V H 4.38 V M 4.00 V J 3.08 V T 2.93 V S 2.63 V R 2.32 V Z 1.60 V V Table 2. PIN DESCRIPTIONS Pin Number CAT803 CAT809 CAT810 Name Description 1 1 1 GND Ground 2 2 RESET Active LOW reset. RESET is asserted if V falls below the reset threshold and CC remains low for at least 140 ms after V rises above the reset threshold. CC 2 RESET Active HIGH reset. RESET is asserted if V falls below the reset threshold and CC remains high for at least 140 ms after V rises above the reset threshold. CC 3 3 3 V Power supply voltage that is monitored. CC Table 3. ABSOLUTE MAXIMUM RATINGS Parameter Rating Units Any pin with respect to ground 0.3 to +6.0 V Input Current, V 20 mA CC Output Current, RESET, RESET 20 mA Rate of Rise, V 100 V/ s CC Continuous Power Dissipation mW Derate 2.2 mW/C above 70C (SC70) 175 Derate 4 mW/C above 70C (SOT23) 320 Operating Temperature Range 40 to +85 C Storage Temperature Range 65 to +105 C Lead Soldering Temperature (10 sec) 300 C 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.