MAX6732 MAXIM [Maxim Integrated Products], MAX6732 Datasheet - Page 4

• Manufacturer Part Number: MAX6732
• Description: Single-/Dual-/Triple-Voltage ?P Supervisory Circuits with Independent Watchdog Output
• Manufacturer: MAXIM [Maxim Integrated Products]

Single-/Dual-/Triple-Voltage µP Supervisory
Circuits with Independent Watchdog Output
ELECTRICAL CHARACTERISTICS (continued)
(V
4
Note 1: Devices tested at T
Note 2: Parameter guaranteed by design.
WATCHDOG INPUT
Watchdog Timeout Period
WDI Pulse Width
WDI Input Voltage
WDI Input Current
RESET/WATCHDOG OUTPUT
RST / WDO Output Low Voltage
(Push-Pull or Open Drain)
RST / WDO Output High Voltage
(Push-Pull Only)
RST / WDO Output Open-Drain
Leakage Current
CC
_______________________________________________________________________________________
1 = V
CC
PARAMETER
2 = +0.8V to +5.5V, T
A
= +25°C. Overtemperature limits are guaranteed by design and not production tested.
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
SYM B O L
t
t
WD-L
WD-S
t
I
V
V
V
WDI
V
WDI
OH
OL
IH
IL
First watchdog period after reset
timeout period
Normal mode
(Note 2)
WDI = 0 or V
V
I
V
I
V
I
V
I
V
I
V
output not asserted
V
output not asserted
V
output not asserted
Output not asserted
SINK
SINK
SINK
SINK
SINK
CC
CC
CC
CC
CC
CC
CC
CC
1 or V
1 or V
1 or V
1 or V
1 or V
1 ≥ +1.8V, I
1 ≥ +2.7V, I
1 ≥ +4.5V, I
= 1µA, output asserted
= 50µA, output asserted
= 100µA, output asserted
= 1.2mA, output asserted
= 3.2mA, output asserted
CC
CC
CC
CC
CC
CONDITIONS
CC
2 ≥ +0.8V,
2 ≥ +1.0V,
2 ≥ +1.2V,
2 ≥ +2.7V,
2 ≥ +4.5V,
1
SOURCE
SOURCE
SOURCE
= 200µA,
= 500µA,
= 800µA,
0.7 × V
0.8 × V
0.8 × V
0.8 × V
MIN
1.12
35
50
-1
CC
CC
CC
CC
1
1
1
1
A
TYP
1.68
54
= +25°C.) (Note 1)
0.3 × V
MAX
2.24
0.3
0.3
0.3
0.3
0.4
0.5
72
+1
CC
1
UNITS
µA
µA
ns
V
V
V
s