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MAX792LCPE Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX792LCPE Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 16 page _______________________________________________________________________________________ 3 Microprocessor and Non-Volatile Memory Supervisory Circuits ELECTRICAL CHARACTERISTICS (continued) (VCC = 2.65V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER CONDITIONS ms MIN TYP MAX UNITS µA LOWLINE Short-Circuit Current Output source current, VCC = 5.5V 10 50 SWT connected to VCC, VCC = 5V 1.00 1.60 2.25 SWT connected to VCC, VCC = 3V 1.00 1.60 2.25 4.7nF capacitor connected from SWT to GND, VCC = 3V 70 Watchdog Timeout Period 4.7nF capacitor connected from SWT to GND, VCC = 5V MAX792/MAX820L/M 100 sec 50 120 210 Low-Line Threshold Voltage (Internal Threshold Mode)—VTH MAX792/MAX820R/S/T VCC = 5V 40 100 210 mV 100 MAX792, VCC = 5V OR VCC = 3V Watchdog Input Pulse Width VIL = 0V, VIH = VCC 1.25 1.30 1.35 Low-Line Threshold Voltage (External Programming Mode) VCC = 3V MAX820, VCC = 5V OR VCC = 3V 300 ns 1.274 1.30 1.326 V Low-Line Hysteresis (Internal Threshold Mode) ISINK = 50µA, VCC = 1V, VCC falling 20 mV 0.01 0.30 ISINK = 1.6mA 0.1 0.4 ISOURCE = 1mA VCC - 1 WDO Output Voltage ISOURCE = 100µA VCC - 0.5 V ISOURCE = 100µA WDPO to WDO Delay 70 ns WDPO Duration 0.5 1.7 6.0 ms ISINK = 50µA, VCC = 1V, VCC falling 0.01 0.3 ISINK = 1.6mA 0.1 0.4 VIH ISOURCE = 1mA VCC - 1 WDPO Output Voltage VIL VCC - 0.5 V VIH 0.75 x VCC VIL VCC = 4.25V 0.8 0.9 x VCC WDI Threshold Voltage VCC = 2.55V 0.2 V WDI Input Current ±1 µA LLIN/REFOUT Leakage Current External Programming Mode ±0.01 ±25 nA Low-Line Comparator Delay VCC falling 450 µs ISINK = 3.2mA 0.4 LOWLINE Voltage ISOURCE = 1µA VCC - 1 V LOW-LINE COMPARATOR WATCHDOG FUNCTION |
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