can be exceeded if the input current is less than 10mA.
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
= 4.75V to 5.5V for MAX705/MAX707/MAX813L, V
CC
= 4.5V to 5.5V for MAX706/MAX708, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
Operating Voltage Range
SYMBOL
V
CC
CONDITIONS
MAX70_C
MAX813LC
MAX70_E/M, MAX813LE/M
MAX705C, MAX706C, MAX813LC
MAX705E/M, MAX706E/M, MAX813LE/M
MAX707C, MAX708C
MAX707E/M, MAX708E/M
MAX705, MAX707, MAX813L
MAX706, MAX708
MIN
1.0
1.1
1.2
150
150
50
50
4.65
4.40
40
200
TYP
MAX
5.5
5.5
5.5
350
500
350
500
4.75
4.50
280
0.4
0.3
0.3
0.4
V
UNITS
V
Supply Current
I
SUPPLY
µA
Reset Threshold (Note 2)
Reset Threshold Hysteresis (Note 2)
Reset Pulse Width (Note 2)
V
RT
4.50
4.25
140
V
CC
- 1.5
V
mV
ms
t
RS
RESET
Output Voltage
RESET Output Voltage
Watchdog Timeout Period
WDI Pulse Width
Low
WDI Input Threshold
High
WDI Input Current
t
WD
t
WP
I
SOURCE
= 800µA
I
SINK
= 3.2mA
MAX70_C, V
CC
= 1V, I
SINK
= 50µA
MAX70_E/M, V
CC
= 1.2V, I
SINK
= 100µA
MAX707, MAX708, I
SOURCE
= 800µA
V
CC
- 1.5
MAX707, MAX708, I
SINK
= 1.2mA
MAX813LC, I
SOURCE
= 4µA, V
CC
= 1.1V
0.8
0.9
MAX813LE/M, I
SOURCE
= 4µA, V
CC
= 1.2V
I
SOURCE
= 800µA
V
CC
- 1.5
MAX813L
I
SINK
= 3.2mA
MAX705, MAX706, MAX813L
1.00
1.60
V
IL
= 0.4V, V
IH
= (V
CC
) (0.8)
50
MAX705, MAX706, MAX813L,
V
CC
= 5V
MAX705, MAX706, MAX813L, WDI = V
CC
MAX705, MAX706, MAX813L, WDI = 0V
MAX705, MAX706, MAX813L,
I
SOURCE
= 800µA
MAX705, MAX706, MAX813L,
I
SINK
= 1.2mA
3.5
-150
V
CC
- 1.5
50
-50
V
0.4
2.25
0.8
150
s
ns
V
µA
WDO
Output Voltage
V
0.4
Maxim Integrated
2
MAX705–MAX708/MAX813L
Low-Cost, µP Supervisory Circuits
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 4.75V to 5.5V for MAX705/MAX707/MAX813L, V
CC
= 4.5V to 5.5V for MAX706/MAX708, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
MR
Pull-Up Current
MR
Pulse Width
Low
High
MR
to Reset Out Delay (Note 2)
MR
Input Threshold
PFI Input Threshold
PFI Input Current
PFO
Output Voltage
I
SOURCE
= 800µA
I
SINK
= 3.2mA
t
MR
SYMBOL
MR
= 0V
CONDITIONS
MIN
100
150
0.8
2.0
t
MD
V
CC
= 5V
1.20
-25.00
V
CC
- 1.5
0.4
1.25
+0.01
250
1.30
+25.00
TYP
250
MAX
600
UNITS
µA
ns
V
ns
V
nA
V
Note 2:
Applies to both
RESET
in the MAX705–MAX708 and RESET in the MAX707/MAX708/MAX813L.
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