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MAX6340 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX6340 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 10 page Low-Power, SC70/SOT µP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VCC = 1V to 5.5V, TA = TMIN to TMAX, unless otherwise specified. Typical values are at VCC = 5V and TA = +25°C.) (Note 1) 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 +6.0V SRT, RESET, RESET (push-pull).................-0.3V to (VCC + 0.3V) RESET (open drain)...............................................-0.3V to +6.0V Input Current (all pins)......................................................±20mA Output Current (RESET, RESET) ......................................±20mA Continuous Power Dissipation (TA = +70°C) 4-Pin SC70 (derate 3.1mW/°C above +70°C) ..............245mW 4-Pin SOT143 (derate 4mW/°C above +70°C).............320mW 5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW Operating Temperature Range .........................-40°C to +125°C Storage Temperature Range .............................-65°C to +150°C Junction Temperature ......................................................+150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range VCC 1.0 5.5 V VCC ≤ 5.0V 2.5 4.2 VCC ≤ 3.3V 1.9 3.4 Supply Current ICC VCC ≤ 2.0V 1.6 2.5 µA TA = +25°C VTH - 1.5% VTH + 1.5% VCC Reset Threshold Accuracy VTH TA = -40°C to +125°C VTH - 2.5% VTH + 2.5% V Hysteresis VHYST 4 x VTH mV VCC to Reset Delay tRD VCC falling at 1mV/µs 80 µs CSRT = 1500pF 3.00 4.375 5.75 Reset Timeout Period tRP CSRT = 0 0.275 ms VSRT Ramp Current IRAMP VSRT = 0 to 0.65V; VCC = 1.6V to 5V 240 nA VSRT Ramp Threshold VTH-RAMP VCC = 1.6V to 5V (VRAMP rising) 0.65 V RAMP Threshold Hysteresis VRAMP falling threshold 33 mV VCC ≥ 1.0V, ISINK = 50µA 0.3 VCC ≥ 2.7V, ISINK = 1.2mA 0.3 RESET Output Voltage Low VOL VCC ≥ 4.5V, ISINK = 3.2mA 0.4 V VCC ≥ 1.8V, ISOURCE = 200µA 0.8 x VCC VCC ≥ 2.25V, ISOURCE = 500µA 0.8 x VCC RESET Output Voltage High, Push-Pull VOH VCC ≥ 4.5V, ISOURCE = 800µA 0.8 x VCC V RESET Output Leakage Current, Open-Drain ILKG VCC > VTH, reset not asserted 1.0 µA VCC ≥ 1.0V, ISOURCE = 1µA 0.8 x VCC VCC ≥ 1.8V, ISOURCE = 150µA 0.8 x VCC VCC ≥ 2.7V, ISOURCE = 500µA 0.8 x VCC RESET Output Voltage High VOH VCC ≥ 4.5V, ISOURCE = 800µA 0.8 x VCC V VCC ≥ 1.8V, ISINK = 500µA 0.3 VCC ≥ 2.7V, ISINK = 1.2mA 0.3 RESET Output Voltage Low VOL VCC ≥ 4.5V, ISINK = 3.2mA 0.4 V Note 1: Devices production tested at +25°C. Overtemperature limits are guaranteed by design. |
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