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MAX6826 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX6826
Description  Dual Ultra-Low-Voltage SOT23 μP Supervisors with Manual Reset and Watchdog Timer
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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 4 page
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Dual Ultra-Low-Voltage SOT23 µP Supervisors
with Manual Reset and Watchdog Timer
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +4.5V to +5.5V for MAX68_ _L/M, VCC = +2.7V to +3.6V for MAX68_ _T/S/R, VCC = +2.1V to +2.75V for MAX68_ _Z/Y,
VCC = +1.53V to +2.0V for MAX68_ _W/V; TA = -40°C to +125°C, unless otherwise specified. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
≥ 1.8V, ISOURCE = 200µA, reset not asserted
0.8 VCC
VCC
≥ 3.15V, ISOURCE = 500µA, reset not asserted 0.8 VCC
RESET Output HIGH
(Push-Pull Only)
VOH
VCC
≥ 4.75V, ISOURCE = 800µA, reset not asserted 0.8 VCC
V
Open-Drain RESET Output
Leakage Current (Note 1)
ILKG
RESET not asserted
1.0
µA
VCC
≥ 1.0V, ISOURCE = 1µA, reset asserted,
TA = 0
°C to +85°C
0.8 VCC
VCC
≥ 1.50V, ISOURCE = 100µA, reset asserted
0.8 VCC
VCC
≥ 2.55V, ISOURCE = 500µA, reset asserted
0.8 VCC
RESET Output HIGH
(Push-Pull Only)
VOH
VCC
≥ 4.25V, ISOURCE = 800µA, reset asserted
0.8 VCC
V
VCC
≥ 1.8V, ISINK = 500µA, reset asserted
0.3
VCC
≥ 3.15V, ISINK = 1.2mA, reset asserted
0.3
RESET Output LOW
(Push-Pull Only)
VOH
VCC
≥ 4.75V, ISINK = 3.2mA, reset asserted
0.3
V
MANUAL RESET INPUT
VIL
0.3 VCC
MR Input voltage
VIH
0.7 VCC
V
MR Minimum Input Pulse
1
µs
MR Glitch Rejection
100
ns
MR to Reset Delay
200
ns
MR Pullup Resistance
25
50
75
k
WATCHDOG INPUT
TA = -40
°C to +85°C
1.12
1.6
2.4
Watchdog Timeout Period
tWD
TA = -40
°C to +125°C
0.80
2.60
s
WDI Pulse Width (Note 2)
tWDI
50
ns
VIL
0.3 VCC
WDI Input Voltage
VIH
0.7 VCC
V
WDI = VCC, time average
120
160
WDI Input Current
IWDI
WDI = 0, time average
-20
-15
µA
Note 1: Over-temperature limits are guaranteed by design and not production tested. Devices tested at +25°C.
Note 2: Guaranteed by design and not production tested.




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