DS1338 Datasheet, PDF (6/16 Pages) Maxim Integrated Products – I2C RTC with 56-Byte NV RAM

TYPICAL OPERATING CHARACTERISTICS
DS1338 I²C RTC with 56-Byte NV RAM
I_BAT vs. V_BAT
V _CC=0V
RS1=RS0=1
1250
1200
1150
1100
1050
I_{B AT OS C2}
(^{SQWE = 1)}
1000
950
900
I_{B AT OS C}1
(SQWE = 0)
850
800
750
700
650
600
550
1.3 1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
VBAT (V)
I_BAT vs. Temperature
VBAT = 3.0V
1000
950
SQWE=1
900
850
SQWE=0
800
750
700
650
600
-40 -20
0 20 40 60
TEMPERATURE (°C)
V_CC=0V
80
I_CC vs. V_CC
250
SCL=400kHz
225
200
175
SCL=SDA=0Hz
150
125
100
75
50
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
VCC (V)
Oscillator Frequency vs. Supply Voltage ^VCC^=0V
32768.5
32768.4
32768.3
32768.2
32768.1
32768.0
32767.9
1.3 1.8 2.3 2.8 3.3 3.8 4.3 4.8
Oscillator Supply Voltage (V)
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