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MAX63___S Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX63___S Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 11 page Dual/Triple-Voltage µP Supervisory Circuits _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VCC1 = VCC2 = +1.2V to +5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Reset Threshold Tempco ∆VTH/°C 20 ppm/°C Reset Threshold Hysteresis VTH/500 V VCC to Reset Delay 100mV overdrive 20 µs Reset Timeout Period tRP VCC1 > VTH1 (MAX), VCC2 > VTH2 (MAX) 100 180 280 ms VCC1 or VCC2 ≥ 2.7V, ISINK = 1.2mA 0.3 VCC1 or VCC2 ≥ 4.5V, ISINK = 3.2mA 0.4 VCC1 or VCC2 ≥ 1V, ISINK = 50µA, TA = 0°C to +70°C 0.3 RESET Output Voltage Low VOL VCC1 or VCC2 ≥ 1.2V, ISINK = 50µA; TA = -40°C to +85°C 0.3 V (_W, _V versions only), VCC1 > VTH1(MAX), VCC2 > VTH2(MAX) ISOURCE = 350µA 0.8 × VCC (_Y versions only), VCC1 > VTH1(MAX), VCC2 > VTH2(MAX) ISOURCE = 500µA 0.8 × VCC RESET Output Voltage High (MAX6351/MAX6353/MAX6354/ MAX6356/MAX6357/MAX6359/ MAX6360 only) VOH (_T, _S, _R versions only), VCC1 > VTH1(MAX), VCC2 > VTH2(MAX) ISOURCE = 800µA VCC - 1.5 V WATCHDOG INPUT (MAX6358/MAX6359/MAX6360) First timeout period after reset 25.6 46.4 72.0 Watchdog Timeout Period tWD After first WDI falling edge 1.6 2.9 4.5 s WDI Pulse Width (Note 4) tWDI VIL = 0.4V, VIH = 0.8 x VCC 50 ns VIL 0.3 x VCC WDI Input Voltage (Note 5) VIH VCC1 = 5V 0.7 x VCC V VWDI = VCC 120 160 WDI Input Current (Note 6) VWDI = 0 -20 -15 µA MANUAL RESET INPUT VIL MAX63_ _L_, MAX63_ _M_, VCC1 > VTH1(MAX) 0.8 VIH MAX63_ _L_, MAX63_ _M_, VCC1 > VTH1(MAX) 2.3 VIL MAX63_ _ _Y, VCC1 > VTH1(MAX) 0.3 x VCC MR Input Voltage VIH MAX63_ _ _Y, VCC1 > VTH1(MAX) 0.7 x VCC V |
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