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MAX6888 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX6888 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 13 page Hex/Quad, Power-Supply Supervisory Circuits _______________________________________________________________________________________ 3 Note 1: 100% production tested at TA = +25°C and TA = +85°C. Specifications at TA = -40°C are guaranteed by design. Note 2: Device may be supplied from any one of IN1–IN4 or VCC. Note 3: The internal supply voltage, measured at VCC, equals the maximum of IN1–IN4. Note 4: Versions Q and R require that power be applied through VCC. ELECTRICAL CHARACTERISTICS (continued) (VIN1–VIN4 or VCC = 2.7V to 5.8V, WDI = GND, MARGIN = MR = BP, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VIL 0.6 MR, MARGIN, WDI Input Voltage VIH 1.4 V MR Input Pulse Width tMR 1µs MR Glitch Rejection 100 ns MR to RESET or OV Delay tD-MR 200 ns MR to Internal BP Pullup Current IMR VMR = 1.4V 5 10 15 µA MARGIN to Internal BP Pullup Current IMARGIN VMARGIN = 1.4V 5 10 15 µA WDI Pulldown Current IWDI VWDI = 0.6V 5 10 15 µA WDI Input Pulse Width 50 ns tWDI Initial 92.16 102.4 112.64 Watchdog Timeout Period tWD Normal 1.44 1.6 1.76 s Typical Operating Characteristics (VIN1–VIN4 or VCC = 5V, WDI = GND, MARGIN = MR = BP, TA = +25°C, unless otherwise noted.) IN1–IN4 SUPPLY CURRENT vs. IN1–IN4 SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 5.6 4.6 3.6 0.75 0.80 0.85 0.90 0.95 1.00 0.70 2.6 TA = +85 °C TA = +25 °C TA = -40 °C VCC SUPPLY CURRENT vs. VCC SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 5.6 4.6 3.6 0.75 0.80 0.85 0.90 0.95 1.00 0.70 2.6 TA = +85 °C TA = +25 °C TA = -40 °C 185 190 195 200 210 205 215 220 180 RESET TIMEOUT PERIOD vs. TEMPERATURE TEMPERATURE ( °C) 60 35 10 -15 -40 85 |
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