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MAX16152 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX16152 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 20 page  Electrical Characteristics ((VCC = 1.2V to 5.5V, TA = -40ºC to +125ºC. Limits over the operating temperature range and relevant supply voltage range are guaranteed by production test and/or characterization. Typical values are at TA = +25ºC and VCC = VTH + 150mV.)) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range 1.2 5.5 V Supply Current Outputs not asserted, VCC = VTH + 150mV 400 900 nA VCC Threshold Range 1.5 5 V VCC Reset Threshold Accuracy VTH_AC VCC falling -2.5 +2.5 % VCC Reset Threshold Hysteresis VCC rising 0.4 % VCC to Reset Delay tRD VCC falling from (VTH + 100mV) to (VTH - 100mV) 80 μs Reset Timeout Period Accuracy tRP_AC Note 1 -50 +50 % WATCHDOG Watchdog Timeout Period Accuracy tWD_AC -50 +50 % Watchdog Startup Delay Accuracy tSTART-UP_AC -50 +50 % Watchdog Setup Time tSETUP Time between low-to-high transition of WD_EN and watchdog timer enabled. 300 μs Output Voltage Low VOL VCC ≥ 1.0V, ISINK = 50μA 0.3 V VCC > 2.7V, ISINK = 1.2mA 0.3 VCC > 4.5V, ISINK = 3.2mA 0.4 Watchdog Input Pulse Width tWDI After WDO deasserted 1 μs Watchdog Output Pulse Width tWDO 100 300 ms Input Voltage High VIH 0.8 x VCC V Input Logic-Low VIL WDI, MR, WD_EN VCC ≥ 3.3V 0.3 x VCC V 1.5V ≥ VCC 0.3 x VCC Watchdog Output Leakage Current VWDO = 0 to 5.5V, output deasserted 1 μA Reset Ouput Leakage Current VRST = 0 to 5.5V, reset output deasserted 1 μA WD_EN Input Glitch Rejection 300 ns Manual Reset Input Glitch Rejection 200 ns MAX16152/MAX16153/ MAX16154/MAX16155 nanoPower Supervisor and Watchdog Timer www.maximintegrated.com Maxim Integrated | 4 |
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