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ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - system monitor Watchdog timer SOT 23 8
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Pin-Selectable Watchdog Timers
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +2.5V to +5.5V, SET_ = V
CC
or GND, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C and
V
CC
= +3V.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX6369/MAX6370
V
SET2
= 0V, V
SET1
= 0V, V
SET0
= 0V 1 3
V
SET2
= 0V, V
SET1
= 0,V SET0 = V
CC
10 30
V
SET2
= 0V, SET1 = V
CC
, V
SET0
= 0V 30 90
ms
V
SET2
= 0V, SET1 = V
CC
, SET0 = V
CC
Watchdog Disabled
SET2 = V
CC
, V
SET1
= 0V, V
SET0
= 0V 100 300 ms
SET2 = V
CC
, V
SET1
= 0V, SET0 = V
CC
13
SET2 = V
CC
, SET1 = V
CC
, V
SET0
= 0V 10 30
Startup Delay Period t
DELAY
SET2 = V
CC
, SET1 = V
CC
, SET0 = V
CC
60 180
s
V
SET2
= 0V, V
SET1
= 0V, V
SET0
= 0V 1 3
V
SET2
= 0V, V
SET1
= 0V, SET0 = V
CC
10 30
V
SET2
= 0V, SET1 = V
CC
, V
SET0
= 0V 30 90
ms
V
SET2
= 0V, SET1 = V
CC
, SET0 = V
CC
Watchdog Disabled
SET2 = V
CC
, V
SET1
= 0V, V
SET0
= 0V 100 300 ms
SET2 = V
CC
, V
SET1
= 0V, SET0 = V
CC
13
SET2 = V
CC
, SET1 = V
CC
, V
SET0
= 0V 10 30
Watchdog Timeout
Period
t
WD
SET2 = V
CC
, SET1 = V
CC
, SET0 = V
CC
60 180
s
MAX6371/MAX6372
V
SET2
= 0V, SET1 = V
CC
, SET0 = V
CC
Watchdog Disabled
Startup Delay Period t
DELAY
All other SET_ conditions 60 180 s
V
SET2
= 0V, V
SET1
= 0V, V
SET0
= 0V 1 3
V
SET2
= 0V, V
SET1
= 0V, SET0 = V
CC
39
V
SET2
= 0V, SET1 = V
CC
, V
SET0
= 0V 10 30
ms
V
SET2
= 0V, SET1 = V
CC
, SET0 = V
CC
Watchdog Disabled
SET2 = V
CC
, V
SET1
= 0V, V
SET0
= 0V 100 300
SET2 = V
CC
, V
SET1
= 0V, SET0 = V
CC
300 900
ms
SET2 = V
CC
, SET1 = V
CC
, V
SET0
= 0V 3 9
Watchdog Time-Out
Period
t
WD
SET2 = V
CC
, SET1 = V
CC
, SET0 = V
CC
60 180
s
MAX6373/MAX6374
V
SET2
= 0V, V
SET1
= 0V, V
SET0
= 0V 3 9 ms
V
SET2
= 0V, V
SET1
= 0V, SET0 = V
CC
39
V
SET2
= 0V, SET1 = V
CC
, V
SET0
= 0V 60 180
s
SET2 = 0V, SET1 = V
CC
, SET0 = V
CC
Watchdog Disabled
SET2 = V
CC
, V
SET1
= 0V, V
SET0
= 0V 200 600 µs
SET2 = V
CC
, V
SET1
= 0V, SET0 = V
CC
First Edge (Note 3)
SET2 = V
CC
, SET1 = V
CC
, V
SET0
= 0V First Edge (Note 3)
Startup Delay Period t
DELAY
SET2 = V
CC
, SET1 = V
CC
, SET0 = V
CC
60 180 s
3
MAX6369–MAX6374