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MAX6443US46L Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX6443US46L Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 13 page µP Reset Circuits with Long Manual Reset Setup Period 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. All Voltages Referenced to GND VCC ..........................................................................-0.3V to +6V Open-Drain RESET ..................................................-0.3V to +6V Push-Pull RESET ........................................-0.3V to (VCC + 0.3V) MR1, MR2, MR2, RSTIN ..........................................-0.3V to +6V Input Current, All Pins.......................................................±20mA Continuous Power Dissipation (TA = +70°C) 4-Pin SOT143 (derate 4.0mW/°C above +70°C)...........320mW 5-Pin SOT23 (derate 7.1mW/°C above +70°C).............571mW 6-Pin SOT23 (derate 8.7mW/°C above +70°C).............696mW Operating Temperature Range .......................... -40°C to +85°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) Lead(Pb)-free……………………………………………..+260°C Containing lead………………………………………… +240°C ELECTRICAL CHARACTERISTICS (VCC = 1.0V to 5.5V, TA = -40°C to +85°C, unless otherwise specified. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Operating Voltage Range VCC 1.0 5.5 V VCC = 5.5V, no load 7 20 VCC Supply Current ICC VCC = 3.6V, no load 6 16 µA 46 4.50 4.63 4.75 44 4.25 4.38 4.50 31 3.00 3.08 3.15 29 2.85 2.93 3.00 26 2.55 2.63 2.70 23 2.25 2.32 2.38 22 2.12 2.19 2.25 17 1.62 1.67 1.71 VCC Reset Threshold VTH 16 1.52 1.58 1.62 V Reset Threshold Tempco 60 ppm/°C Reset Threshold Hysteresis 2 × VTH mV TA = 0°C to +85°C 0.615 0.630 0.645 RSTIN Threshold VTH-RSTIN MAX6449–MAX6452 TA = -40°C to +85°C 0.610 0.650 V RSTIN Threshold Hysteresis VHYST MAX6449–MAX6452 2.5 mV RSTIN Input Current IRSTIN MAX6449–MAX6452 -25 +25 nA RSTIN to Reset Output Delay MAX6449–MAX6452, VRSTIN falling at 1mV/µs 15 µs Reset Timeout Period tRP 140 210 280 ms VCC to RESET Output Delay tRD VCC falling at 1mV/µs 20 µs K 6.72 10.08 13.44 L 4.48 6.72 8.96 S 2.24 3.36 4.48 Manual Reset Minimum Setup Period Pulse Width tMR T 1.12 1.68 2.24 s |
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