Datasheet

MAX6892/MAX6893/MAX6894
Pin-Selectable, Octal/Hex/Quad, Power-Supply
Sequencers/Supervisors
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN1
= V
IN6
–V
IN8
= V
GND
, V
IN2
–V
IN5
= 2.7V to 5.5V, WDI = ENABLE = GND, TH0–TH4 = MARGIN = MR = DBP, T
A
= -40°C to
+85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
SRT Default Timeout Threshold
V
SRT-DEF
V
SRT
≥ V
SRT-DEF
, selects reset default
timeout
1.1
1.25
1.5 V
SRT Adjustable Timeout
Threshold
V
SRT-ADJ
(Note 4)
0.95
1.0
1.05
V
SRT Adjustable Timeout
Discharge Threshold
V
SRT-DIS
(Note 5)
100
mV
SRT Adjustable Timeout Output
Low Discharge Current
I
SRT-DIS
V
SRT
= 0.3V 0.7 mA
PG_, RESET, WDO Output Low V
OL
I
SINK
= 4mA, output asserted 0.4 V
PG_, RESET, WDO Output Initial
Pulldown Current
I
UV
V
CC
<
V
UVLO
, V
PG
_
, V
RESET
, V
WDO
= 0.8V 10 40 µA
PG_, RESET, WDO Output Open-
Drain Leakage Current
I
LKG
Output high impedance -1 +1 µA
V
IL
0.6
MR, MARGIN, ENABLE,
TH0–TH4, WDI Input Voltage
V
IH
1.4
V
MR Input Pulse Width T
MR
1µs
MR Glitch Rejection
100
ns
MR to RESET Delay t
D-MR
2µs
MR to DBP Pullup Current I
MR
V
MR
= 1.4V 5 10 15 µA
MARGIN to DBP Pullup Current
I
MARGIN
V
MARGIN
= 1.4V 5 10 15 µA
ENABLE to PG_ Delay
t
D-ENPG
200
ns
ENABLE Pulldown Current V
ENABLE
= 0.6V 5 10 15 µA