IBAT0SC1 vs. VBAT
SQUARE-WAVE OFF
DS1374
toc01
VBAT (V)
SUPPLY
CURRENT
(nA)
5.3
4.8
4.3
3.8
3.3
2.8
2.3
1.8
350
400
450
500
550
300
1.3
VCC = 0V
DS1374
I2C, 32-Bit Binary Counter Watchdog RTC with
Trickle Charger and Reset Input/Output
_____________________________________________________________________
7
Typical Operating Characteristics
(VCC = +3.3V, TA = +25°C, unless otherwise noted.)
IBAT0SC2 vs. VBAT
SQUARE-WAVE ON
DS1374
toc02
400
450
500
550
600
650
700
750
800
350
VCC = 0V
VBAT (V)
SUPPLY
CURRENT
(nA)
5.3
4.8
4.3
3.8
3.3
2.8
2.3
1.8
1.3
IBATOSC1 vs. TEMPERATURE
VBAT = 3.0V
DS1374
toc03
TEMPERATURE (
°C)
SUPPLY
CURRENT
(nA)
80
60
40
20
0
-20
400
425
450
475
375
-40
VCC = 0V
ICCA vs. VCC
(SQUARE-WAVE ON)
DS1374
toc04
VCC (V)
SUPPLY
CURRENT
A)
5.3
4.8
3.8
4.3
2.8
3.3
2.3
75
100
125
150
175
200
225
250
275
50
1.8
OSCILLATOR FREQUENCY vs. VBACKUP
DS1374
toc05
VBACKUP (V)
FREQUENCY
(Hz)
5.3
4.8
4.3
3.8
3.3
2.8
2.3
1.8
32768.3
32768.4
32768.5
32768.6
32768.7
32768.8
32768.2
32768.1
32768.0
1.3
VCC = 0V
VCC FALLING vs. RST DELAY
DS1374
toc06
VCC FALLING (V/ms)
RESET
DELAY
s)
10
1
0.10
1
10
100
1000
0.1
0.01
100
VCC = 3.0V TO 0V
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