MAX691A MAXIM [Maxim Integrated Products], MAX691A Datasheet - Page 6

• Manufacturer Part Number: MAX691A
• Description: Microprocessor Supervisory Circuits
• Manufacturer: MAXIM [Maxim Integrated Products]

Microprocessor Supervisory Circuits
(T
6
____________________________Typical Operating Characteristics (continued)
A
1000
100
= +25°C, unless otherwise noted.)
20
16
12
10
_______________________________________________________________________________________
8
4
0
1
1
0
V
VBATT = 0V
SLOPE = 0.8
VBATT = 2.8V
I
CC
OUT
V
CC
= 4.5V
(NORMAL OPERATING MODE)
= 0A
vs. INPUT SUPPLY VOLTAGE
to V
1
BATTERY CURRENT
OUT
10
vs. OUTPUT CURRENT
I
2
OUT
V
CC
(mA)
(V)
3
100
4
1000
5
1000
100
100
0.1
10
10
1
1
WATCHDOG AND RESET TIMEOUT PERIOD
10
1
vs. OSC IN TIMING CAPACITOR (COSC)
VBATT to V
RESET ACTIVE
TIMEOUT PERIOD
V
VBATT = 2.8V
V
VBATT = 4.5V
CC
CC
= 5V
= 0V
(BATTERY-BACKUP MODE)
SLOPE = 8
OUT
COSC (pF)
I
OUT
vs. OUTPUT CURRENT
100
10
(mA)
LONG WATCHDOG
TIMEOUT PERIOD
SHORT WATCHDOG
TIMEOUT PERIOD
1000
100
THRESHOLD
LOW LINE
V
CE OUT
CC
RESET
20
16
12
RESET
8
4
0
0
LO
LO
LO
5V
HI
HI
HI
V
CE IN = 0V TO 5V
DRIVER SOURCE
IMPEDANCE = 50
CHIP-ENABLE PROPAGATION DELAY
CC
vs. CE OUT LOAD CAPACITANCE
= 5V
50
80 s
800ns
100
AND CE OUT DELAY
V
12 s
C
CC
LOAD
150
to LOW LINE
(pF)
200
250
300