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DS3232M
±5ppm, I2C Real-Time Clock with SRAM
6
Maxim Integrated
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
POWER-SUPPLY CURRENT
vs. POWER-SUPPLY VOLTAGE
DS3232M
toc01
SUPPLY
CURRENT
(A)
60
80
100
120
140
160
180
200
40
SUPPLY VOLTAGE (V)
4.3
3.8
3.3
2.8
2.3
VBAT = 2.3V,
EN32KHZ = 0,
INTCN = 1
TA = -40°C
TA = +85°C
TA = +25°C
VPF
1.0
1.5
2.0
2.5
BATTERY CURRENT
vs. BATTERY VOLTAGE
DS3232M
toc02
BATTERY
CURRENT
(A)
3.0
0.5
SUPPLY VOLTAGE (V)
4.3
3.8
3.3
2.8
2.3
VCC = 0V,
EN32KHZ = 0,
INTCN = 1
TA = -40°C
TA = +85°C
TA = +25°C
RST OUTPUT VOLTAGE
vs. OUTPUT CURRENT
DS3232M
toc03
OUTPUT CURRENT (mA)
OUTPUT
VOLTAGE
(V)
4
3
2
1
0.1
0.2
0.3
0.4
0.5
0.6
0
05
VCC = 2.45V
INT/SQW OUTPUT VOLTAGE
vs. OUTPUT CURRENT
DS3232M
toc04
OUTPUT CURRENT (mA)
OUTPUT
VOLTAGE
(V)
8
6
4
2
0.1
0.2
0.3
0.4
0.5
0
010
VCC = 2.7V
POWER-SUPPLY CURRENT
vs. SCL FREQUENCY
DS3232M
toc05
SCL FREQUENCY (kHz)
SUPPLY
CURRENT
(A)
300
200
100
80
90
100
110
120
130
140
150
160
170
70
0
400
EN32KHZ = 0,
SDA = INACTIVE
2.6V
3.0V
4.0V
THERMOMETER ERROR
vs. TEMPERATURE
DS3232M
toc06
TEMPERATURE (°C)
THERMOMETER
ERROR
(°C)
50
20
-10
-4
-3
-2
-1
0
1
2
3
4
5
-5
-40
80
VCC = 3.3V
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