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MAX821UUS-T Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX821UUS-T Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 8 page 4-Pin µP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay _______________________________________________________________________________________ 3 Note 1: RESET output for MAX821; RESET output for MAX822. Note 2: During reset active timeout period only. Note 3: Guaranteed by design. ELECTRICAL CHARACTERISTICS (continued) (VCC = full range, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) 0.3 0.4 pF 20 SRT Input Capacitance (Note 3) (see Setting the Reset Timeout Delay section) UNITS MIN TYP MAX SYMBOL PARAMETER MAX821R/S/T/U only, ISINK = 1.2mA, VCC = VTH(MIN) MAX821L/M/P only, ISINK = 3.2mA, VCC = VTH(MIN) Internal CONDITIONS 0.3 VOL 0.3 ISINK = 50µA 0.3 0.4 MAX822R/S/T only, ISINK = 1.2mA, VCC = VTH(MAX) MAX822L/M only, ISINK = 3.2mA, VCC = VTH(MAX) V 0.8VCC VOH RESET Output Voltage (MAX821) VCC -1.5 MAX821R/S/T/U only, ISOURCE = 500µA, VCC ≥ VTH(MAX) MAX821L/M/P only, ISOURCE = 800µA, VCC ≥ VTH(MAX) 0.6 -40 RESET TIMEOUT PERIOD vs. TEMPERATURE 0.7 TEMPERATURE (°C) 40 60 80 0.9 0.8 -20 20 100 1.0 0 SRT = GND 30 -40 RESET TIMEOUT PERIOD vs. TEMPERATURE 32 31 TEMPERATURE (°C) 40 60 80 35 34 33 -20 20 100 36 0 SRT = VCC 150 -40 RESET TIMEOUT PERIOD vs. TEMPERATURE 160 155 TEMPERATURE (°C) 40 60 80 175 170 165 -20 20 100 180 0 SRT = UNCONNECTED VOL V VOH RESET Output Voltage (MAX822) 0.8VCC ISOURCE = 150µA, 1.4V ≤ VCC ≤ VTH(MIN) __________________________________________Typical Operating Characteristics (TA = +25°C, unless otherwise noted.) TA = 0°C to +70°C, VCC ≥ 1V TA = -40°C to +85°C, VCC ≥ 1.2V |
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