I2C RTC/Supervisor with Trickle Charger
and 512 Bytes EEPROM
(VCC = +3.3V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
IBACKUP SUPPLY CURRENT VOLTAGE
vs. VBACKUP
500
VCC = 0V
450
400
350
300
250
1.3 1.7 2.1 2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3
VBACKUP (V)
IBACKUP SUPPLY CURRENT VOLTAGE
vs. TEMPERATURE
600
VBACKUP = 3V
550
500
450
400
350
300
250
-40 -25 10 5 20 35 50 65 80
TEMPERATURE (°C)
32768.45
OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
32768.40
32768.35
32768.30
32768.25
32768.20
32768.15
32768.10
32768.05
32768.00
1.3 1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
SUPPLY (V)
10,000
VCC FALLING vs. RST DELAY
VCC = VPF + 0.1V TO 0V
1000
100
10
0.01
0.1
1
10
100
VCC FALLING (V/ms)
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