Datasheet
Note 1: Over-temperature limits are guaranteed by design and not production tested. Devices are tested at T
A
= +25°C.
Note 2: Guaranteed by design. Not production tested.
(V
CC
= +4.25V to +5.5V for L/M versions, V
CC
= +2.55V to +3.6V for the T/S/R versions, V
CC
= +2.1V to +2.75V for the Z/Y versions.
T
A
= -40°C to +125°C, unless otherwise specified. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
PFI, RST_IN1, RST_IN2
Leakage Current
(Note 2)
T
A
= -40°C to +85°C -50 +50
nA
T
A
= -40°C to +125°C -200 +200
PFI to PFO Delay t
PF
1 µs
MR Input Voltage
V
IL
0.3 x V
CC
V
V
IH
0.7 x V
CC
MR Minimum Input Pulse 1 µs
MR Glitch Rejection 100 ns
MR to Reset Delay t
MD
200 ns
V
CC
Rising to WDO Delay
MAX6701(A)/MAX6702(A)/MAX6703(A)/
MAX6705(A)/MAX6706(A)/MAX6707(A)
100 ns
MR Pullup Resistance 25 50 75 kΩ
Watchdog Timeout Period t
WD
T
A
= -40°C to +85°C 1.12 1.6 2.4
s
T
A
= -40°C to +125°C 0.96 2.52
WDI Pulse Width t
WDI
(Note 2) 50 ns
WDI Input Voltage
V
IL
0.3 x V
CC
V
V
IH
0.7 x V
CC
WDI Input Current I
WDI
V
WDI
= 0V or V
CC
-1 +1 µA
RESET, WDO Output Low
(Push-Pull or Open Drain)
V
OL
V
CC
≥ 1.0V, I
SINK
= 50µA, output asserted
(T
A
= 0°C to +125°C)
0.3
VV
CC
≥ 1.2V, I
SINK
= 100µA, output asserted 0.3
V
CC
≥ 2.55V, I
SINK
= 1.2mA, output asserted 0.3
V
CC
≥ 4.25V, I
SINK
= 3.2mA, output asserted 0.4
PFO Output Low
(Push-Pull or Open Drain)
V
OL
V
CC
≥ 1.80V, I
SINK
= 200µA, output asserted 0.3
VV
CC
≥ 2.55V, I
SINK
= 1.2mA, output asserted 0.3
V
CC
≥ 4.25V, I
SINK
= 3.2mA, output asserted 0.4
RESET, WDO, PFO Output
High (Push-Pull Only)
V
OH
V
CC
≥ 2.7V, I
SOURCE
= 500µA, output not asserted 0.8 x V
CC
V
V
CC
≥ 4.75V, I
SOURCE
= 800µA, output not asserted 0.8 x V
CC
RESET, WDO, PFO
Output Open-Drain
Leakage Current
I
LKG
V
CC
> V
TH
, output not asserted 1.0 µA
RESET Output High
(Push-Pull Only)
V
OH
V
CC
≥ 1.0V, I
SOURCE
= 1µA, reset asserted
(T
A
= 0°C to +125°C)
0.8 x V
CC
VV
CC
≥ 1.2V, I
SOURCE
= 50µA, reset asserted 0.8 x V
CC
V
CC
≥ 2.55V, I
SOURCE
= 500µA, reset asserted 0.8 x V
CC
V
CC
≥ 4.25V, I
SOURCE
= 800µA, reset asserted 0.8 x V
CC
RESET Output Low
(Push-Pull Only)
V
OL
V
CC
≥ 2.7V, I
SINK
= 1.2mA, reset not asserted 0.3
V
V
CC
≥ 4.75V, I
SINK
= 3.2mA, reset not asserted 0.4
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Maxim Integrated
│
3
MAX6701-08/
MAX6701A-03A/
MAX6705A-07A
Low-Voltage, SOT23 µP Supervisors with Power-Fail
In/Out, Manual Reset, and Watchdog Timer
Electrical Characteristics (continued)