21-0036 데이터 시트보기 (PDF) - Maxim Integrated
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21-0036 Datasheet PDF : 20 Pages
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TYPICAL OPERATING CHARACTERISTICS
(VCC = 3.3v, TA = +25°C, unless otherwise noted.)
DS1339 I2C Serial Real-Time Clock
IBACKUP vs. VBACKUP
VCC=0V
RS1=RS0=1
900
850
800
750
IBAT OSC2
(SQWE = 1)
700
650
IBAT OSC1
(SQWE = 0)
600
550
500
450
400
350
300
1.3 1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
VBACKUP (V)
IBACKUP vs. Temperature
VCC=0V
VBACKUP = 3.0V
650
600
INTCN = 0
RS2 = RS1 = 1
550
500
450
INTCN = 0
400
350
300
-40 -20
0
20
40
60
80
TEMPERATURE (°C)
ICC vs. VCC
250
SCL=400kHz
ICCA
200
150
SCL=SDA=0Hz
ICCS
100
50
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
VCC (V)
Oscillator Frequency vs. Supply Voltage
32768.5
32768.4
32768.3
32768.2
32768.1
32768.0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Oscillator Supply Voltage (V)
7 of 20
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