MAX690AESA Maxim Integrated Products, MAX690AESA Datasheet - Page 3

• Manufacturer Part Number: MAX690AESA
• Description: IC MPU SUPERVISORY CIRCUIT 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Battery Backup Circuitr

Specifications of MAX690AESA

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 4.65V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
T
Note 2: Either V
Note 3: "-" = battery-charging current, "+" = battery-discharging current.
Note 4: WDI is guaranteed to be in an intermediate, non-logic level state if WDI is floating and V
RESET Output Voltage
Watchdog Timeout
WDI Pulse Width
WDI Input Threshold (Note 4)
WDI Input Current
PFI Input Threshold
PFI Input Current
PFO Output Voltage
A
CC
= T
= 4.75V to 5.5V for MAX690A/MAX802L/MAX805L, V
MIN
WDI is internally biased to 35% of V
to T
PARAMETER
MAX
CC
, unless otherwise noted.)
or V
_______________________________________________________________________________________
BATT
can go to 0V, if the other is greater than 2.0V.
Microprocessor Supervisory Circuits
SYMBOL
t
t
WD
WP
CC
with an input impedance of 50kΩ.
MAX805LC, I
MAX805LE/M, I
MAX805L, I
MAX805L, I
V
V
WDI = V
WDI = 0V
MAX69_A, MAX805L, V
MAX802_C/E, V
I
I
SOURCE
SINK
IL
CC
= 0.4V, V
= 5V
= 3.2mA
= 800µA
CC
SOURCE
SINK
IH
SOURCE
CONDITIONS
= (0.8) (V
SOURCE
CC
CC
= 3.2mA
= 5V
= 800µA
= 4.5V to 5.5V for MAX692A/MAX802M, V
= 4µA, V
Logic low
Logic high
= 4µA, V
CC
CC
= 5V
)
CC
CC
= 1.1V
= 1.2V
V
V
CC
1.225
CC
CC
1.00
-150
1.20
MIN
0.8
0.9
3.5
-25
50
is in the operating voltage range.
- 1.5
- 1.5
1.250
TYP
1.60
1.25
0.01
-50
50
1.275
MAX
2.25
1.30
150
0.4
0.8
0.4
25
BATT
= 2.8V,
UNITS
sec
µA
nA
ns
V
V
V
V
3