MAX6854 MAXIM [Maxim Integrated Products], MAX6854 Datasheet - Page 3

• Manufacturer Part Number: MAX6854
• Description: Nanopower uP Supervisory Circuits with Manual Reset and Watchdog Timer
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: Devices are tested at T
Note 2: For the MAX6864–MAX6869, the watchdog period is 1s with t
Note 3: Guaranteed by design.
RESET Output Voltage
CT Input Current
CT Input Voltage
MANUAL RESET INPUT
MR Input Voltage
MR Minimum Pulse Width
MR Glitch Rejection
MR to Reset Delay
MR Pullup Resistance
WATCHDOG TIMER (MAX6864–MAX6869)
WDI Input Voltage
WDI Input Current
WDI Pulse Width
Watchdog Timeout Period
CC
= 1.2V to 5.5V, T
PARAMETER
Nanopower µP Supervisory Circuits with
_______________________________________________________________________________________
A
= -40°C to +85°C, unless otherwise specified. Typical values are at V
A
= +25°C. Specifications for T
Manual Reset and Watchdog Timer
SYMBOL
t
t
V
t
V
MPW
MRD
t
V
V
V
V
V
V
WDI
WD
OH
OL
IH
IH
IH
IL
IL
IL
V
RESET asserted, T
V
RESET asserted
V
RESET asserted
V
RESET asserted
V
RESET deasserted
V
RESET deasserted
CT = GND or V
WDI = GND or V
(Note 3)
S
L
CC
CC
CC
CC
CC
CC
1.1V, I
1.2V, I
1.53V, I
2.12V, I
1.71V, I
2.38V, I
SOURCE
SOURCE
A
SOURCE
SOURCE
SINK
SINK
CONDITIONS
= -40°C to +85°C are guaranteed by design.
CC
CC
A
= 500µA,
= 1.2mA,
RISE
= 10µA,
= 10µA,
0°C
= 200µA,
= 500µA,
and t
FALL
< 50ns.
CC
0.8 x V
0.8 x V
0.8 x V
0.8 x V
0.8 x V
0.7 x V
0.7 x V
= 2.5V, T
MIN
150
1.5
95
1
5
CC
CC
CC
CC
CC
CC
CC
A
= +25°C.) (Note 1)
TYP
200
250
209
3.3
10
0.2 x V
0.3 x V
0.3 x V
MAX
7.75
487
0.3
0.3
20
20
20
CC
CC
CC
UNITS
nA
k
nA
µs
ns
ns
ns
V
V
V
V
s
3