MAX6422XS17-T 查看數據表（PDF） - Maxim Integrated
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MAX6422XS17-T
Maxim Integrated
MAX6422XS17-T Datasheet PDF : 10 Pages
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Low-Power, SC70/SOT µP Reset Circuits with
Capacitor-Adjustable Reset Timeout Delay
ABSOLUTE MAXIMUM RATINGS
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
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.
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)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage Range
Supply Current
VCC Reset Threshold Accuracy
Hysteresis
VCC to Reset Delay
Reset Timeout Period
VSRT Ramp Current
VSRT Ramp Threshold
RAMP Threshold Hysteresis
RESET Output Voltage Low
RESET Output Voltage High,
Push-Pull
RESET Output Leakage Current,
Open-Drain
VCC
ICC
VTH
VHYST
tRD
tRP
IRAMP
VTH-RAMP
VOL
VOH
VCC ≤ 5.0V
VCC ≤ 3.3V
VCC ≤ 2.0V
TA = +25°C
TA = -40°C to +125°C
VCC falling at 1mV/µs
CSRT = 1500pF
CSRT = 0
VSRT = 0 to 0.65V; VCC = 1.6V to 5V
VCC = 1.6V to 5V (VRAMP rising)
VRAMP falling threshold
VCC ≥ 1.0V, ISINK = 50µA
VCC ≥ 2.7V, ISINK = 1.2mA
VCC ≥ 4.5V, ISINK = 3.2mA
VCC ≥ 1.8V, ISOURCE = 200µA
VCC ≥ 2.25V, ISOURCE = 500µA
VCC ≥ 4.5V, ISOURCE = 800µA
ILKG VCC > VTH, reset not asserted
1.0
5.5
V
2.5
4.2
1.9
3.4
µA
1.6
2.5
VTH - 1.5%
VTH + 1.5%
V
VTH - 2.5% VTH + 2.5%
4 x VTH
mV
80
µs
3.00 4.375 5.75
ms
0.275
240
nA
0.65
V
33
mV
0.3
0.3
V
0.4
0.8 x VCC
0.8 x VCC
V
0.8 x VCC
1.0
µA
RESET Output Voltage High
RESET Output Voltage Low
VOH
VOL
VCC ≥ 1.0V, ISOURCE = 1µA
VCC ≥ 1.8V, ISOURCE = 150µA
VCC ≥ 2.7V, ISOURCE = 500µA
VCC ≥ 4.5V, ISOURCE = 800µA
VCC ≥ 1.8V, ISINK = 500µA
VCC ≥ 2.7V, ISINK = 1.2mA
VCC ≥ 4.5V, ISINK = 3.2mA
0.8 x VCC
0.8 x VCC
0.8 x VCC
0.8 x VCC
V
0.3
0.3
V
0.4
Note 1: Devices production tested at +25°C. Overtemperature limits are guaranteed by design.
2 _______________________________________________________________________________________
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