DS1374C-18- MAXIM [Maxim Integrated Products], DS1374C-18- Datasheet - Page 7

• Manufacturer Part Number: DS1374C-18-
• Description: I2C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
• Manufacturer: MAXIM [Maxim Integrated Products]

(V
CC
550
500
450
400
350
300
= +3.3V, T
1.3
1.8
I
2
2.3
A
C, 32-Bit Binary Counter Watchdog RTC with
SQUARE-WAVE OFF
I
BAT0SC1
= +25°C, unless otherwise noted.)
275
250
225
200
175
150
125
100
2.8
75
50
V
1.8
BAT
3.3
vs. V
(V)
2.3
3.8
BAT
Trickle Charger and Reset Input/Output
4.3
2.8
V
(SQUARE-WAVE ON)
CC
= 0V
I
CCA
4.8
3.3
V
CC
vs. V
5.3
3.8
(V)
CC
_____________________________________________________________________
4.3
1000
100
4.8
0.1
800
750
700
650
600
550
500
450
400
350
10
1
0.01
1.3
5.3
1.8
V
CC
0.10
2.3
FALLING vs. RST DELAY
SQUARE-WAVE ON
I
V
BAT0SC2
CC
2.8
FALLING (V/ms)
V
BAT
3.3
1
vs. V
(V)
Typical Operating Characteristics
3.8
V
CC
BAT
= 3.0V TO 0V
4.3
V
10
CC
= 0V
4.8
5.3
32768.8
32768.7
32768.6
32768.5
32768.4
32768.3
32768.2
32768.1
32768.0
100
1.3
OSCILLATOR FREQUENCY vs. V
1.8
475
450
425
400
375
-40
2.3
2.8
V
-20
I
CC
BATOSC1
V
BACKUP
= 0V
3.3
TEMPERATURE (°C)
0
3.8
(V)
V
vs. TEMPERATURE
BAT
20
4.3
V
= 3.0V
CC
= 0V
4.8
BACKUP
40
5.3
60
80
7