Operating Temperature Range ......................... -40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range ............................ -65°C to +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
(V
CC
= +4.5V to +5.5V for MAX68_ _L/M, V
CC
= +2.7V to +3.6V for MAX68_ _T/S/R, V
CC
= +2.1V to +2.75V for MAX68_ _Z/Y,
V
CC
= +1.53V to +2.0V for MAX68_ _W/V; T
A
= -40°C to +125°C, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
Operating Voltage Range
SYMBOL
V
CC
CONDITIONS
T
A
= 0°C to +85°C
T
A
= -40°C to +125°C
V
CC
= +5.5V,
no load
V
CC
= +3.6V,
no load
V
CC2
≤ +2.5V
MAX68_ _L
MAX68_ _M
MAX68_ _T
MAX68_ _S
V
CC
Reset Threshold
(V
CC
Falling)
V
TH
MAX68_ _R
MAX68_ _Z
MAX68_ _Y
MAX68_ _W
MAX68_ _V
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
4.50
4.47
4.25
4.22
3.00
2.97
2.85
2.83
2.55
2.53
2.25
2.24
2.12
2.11
1.62
1.61
1.52
4.63
4.63
4.38
4.38
3.08
3.08
2.93
2.93
2.63
2.63
2.32
2.32
2.19
2.19
1.67
1.67
1.58
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
7
MIN
1.0
1.2
10
TYP
MAX
5.5
5.5
20
30
16
25
2
4.75
4.78
4.50
4.53
3.15
3.17
3.00
3.02
2.70
2.72
2.38
2.40
2.25
2.26
1.71
1.72
1.62
V
µA
µA
UNITS
V
V
CC
Supply Current
MR
and WDI Unconnected
V
CC2
Supply Current
I
CC
www.maximintegrated.com
Maxim Integrated │ 2
MAX6826-MAX6831
Dual Ultra-Low-Voltage SOT23 µP Supervisors with
Manual Reset and Watchdog Timer
Electrical Characteristics (continued)
(V
CC
= +4.5V to +5.5V for MAX68_ _L/M, V
CC
= +2.7V to +3.6V for MAX68_ _T/S/R, V
CC
= +2.1V to +2.75V for MAX68_ _Z/Y,
V
CC
= +1.53V to +2.0V for MAX68_ _W/V; T
A
= -40°C to +125°C, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
Z
Y
W
V
I
V
CC2
Reset Threshold
VTH2
H
G
F
E
D
Reset Threshold Temperature
Coefficient
Reset Threshold Hysteresis
RESET IN Threshold
RESET IN Hysteresis
RESET IN Input Current (Note 2)
V
CC
to Reset Output Delay
RESET IN to Reset Output Delay
Reset Timeout Period
t
RP
I
RSTIN
t
RD
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
V
CC
= V
TH
to (V
TH
- 100mV)
V
RSTI
N = V
RSTINTH
to (V
RSTINTH
- 30mV)
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
V
CC
≥ 1.0V, I
SINK
= 50µA, reset asserted,
T
A
= 0°C to +85°C
V
OL
V
CC
≥ 1.2V, I
SINK
= 100µA, reset asserted
V
CC
≥ 2.55V, I
SINK
= 1.2mA, reset asserted
V
CC
≥ 4.25V, I
SINK
= 3.2mA, reset asserted
140
100
-25
-100
20
15
200
280
320
0.3
0.3
0.3
0.4
V
V
RSTINTH
V
RSTINTH
falling
T
A
= 0°C to +85°C
T
A
= -40°C to +125°C
0.615
0.610
2.5
+25
+100
CONDITIONS
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
MIN
2.244
2.238
2.119
2.113
1.615
1.611
1.525
1.521
1.346
1.343
1.271
1.268
1.077
1.074
1.017
1.014
0.808
0.806
0.762
0.761
TYP
2.313
2.313
2.188
2.188
1.665
1.665
1.575
1.575
1.388
1.388
1.313
1.313
1.110
1.110
1.050
1.050
0.833
0.833
0.788
0.788
60
2 x VTH
0.630
0.645
0.650
MAX
2.381
2.388
2.257
2.263
1.715
1.719
1.625
1.629
1.429
1.433
1.354
1.358
1.143
1.146
1.083
1.086
0.858
0.860
0.813
0.815
ppm/°C
mV
V
mV
nA
µs
µs
ms
V
UNITS
RESET
Output LOW
(Push-Pull or Open-Drain)
www.maximintegrated.com
Maxim Integrated │ 3
MAX6826-MAX6831
Dual Ultra-Low-Voltage SOT23 µP Supervisors with
Manual Reset and Watchdog Timer
Electrical Characteristics (continued)
(V
CC
= +4.5V to +5.5V for MAX68_ _L/M, V
CC
= +2.7V to +3.6V for MAX68_ _T/S/R, V
CC
= +2.1V to +2.75V for MAX68_ _Z/Y,
V
CC
= +1.53V to +2.0V for MAX68_ _W/V; T
A
= -40°C to +125°C, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
RESET
Output HIGH
(Push-Pull Only)
Open-Drain
RESET
Output
Leakage Current (Note 1)
SYMBOL
V
OH
CONDITIONS
V
CC
≥ 1.8V, I
SOURCE
= 200µA, reset not asserted
MIN
0.8 × V
CC
V
TYP
MAX
UNITS
V
CC
≥ 3.15V, I
SOURCE
= 500µA, reset not asserted 0.8 × V
CC
V
CC
≥ 4.75V, I
SOURCE
= 800µA, reset not asserted 0.8 × V
CC
I
LKG
RESET not asserted
V
CC
≥ 1.0V, I
SOURCE
= 1µA, reset asserted,
T
A
= 0°C to +85°C
0.8 × V
CC
0.8 × V
CC
0.8 × V
CC
0.8 × V
CC
1.0
µA
RESET Output HIGH
(Push-Pull Only)
V
O
H
V
CC
≥ 1.50V, I
SOURCE
= 100µA, reset asserted
V
CC
≥ 2.55V, I
SOURCE
= 500µA, reset asserted
V
CC
≥ 4.25V, I
SOURCE
= 800µA, reset asserted
V
CC
≥ 1.8V, I
SINK
= 500µA, reset asserted
V
RESET Output LOW
(Push-Pull Only)
MANUAL RESET INPUT
MR
Input voltage
MR
Minimum Input Pulse
MR
Glitch Rejection
MR
to Reset Delay
MR
Pullup Resistance
WATCHDOG INPUT
Watchdog Timeout Period
WDI Pulse Width (Note 2)
WDI Input Voltage
WDI Input Current
0.3
0.3
0.3
0.3 × V
CC
0.7 × V
CC
1
100
200
25
50
1.6
75
2.4
2.60
0.3 × V
CC
0.7 ×
VCC
V
V
OH
V
CC
≥ 3.15V, I
SINK
= 1.2mA, reset asserted
V
CC
≥ 4.75V, I
SINK
= 3.2mA, reset asserted
V
I
L
V
IH
V
µs
ns
ns
kΩ
t
WD
t
WDI
V
IL
V
IH
I
WD
I
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
1.12
0.80
50
s
ns
V
µA
WDI = V
CC
, time average
WDI = 0, time average
-20
120
-15
160
Note 1:
Over-temperature limits are guaranteed by design and not production tested. Devices tested at +25°C.
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Microchip MCU
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