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±5ppm, I2C Real-Time Clock
2
Maxim Integrated
DS3231M
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
Voltage Range on Any Pin Relative to GND ........-0.3V to +6.0V
Operating Temperature Range.......................... -45NC to +85NC
Storage Temperature Range............................ -55NC to +125NC
Junction Temperature .....................................................+150NC
Lead Temperature (soldering, 10s) ................................+300NC
Soldering Temperature (reflow) ......................................+260NC
RECOMMENDED OPERATING CONDITIONS
(TA = -45NC to +85NC, unless otherwise noted.) (Note 2)
ELECTRICAL CHARACTERISTICS—FREQUENCY AND TIMEKEEPING
(VCC or VBAT = +3.3V, TA = -45NC to +85NC, unless otherwise noted. Typical values are at VCC = +3.3V, VBAT = +3.0V, and
TA = +25NC, unless otherwise noted.)
DC ELECTRICAL CHARACTERISTICS—GENERAL
(VCC = +2.3V to +5.5V, TA = -45NC to +85NC, unless otherwise noted. Typical values are at VCC = +3.3V, VBAT = +3.0V, and TA =
+25NC, unless otherwise noted.)
ABSOLUTE MAXIMUM RATINGS
8 SO
Junction-to-Ambient Thermal Resistance (
qJA) ........120°C/W
16 SO
Junction-to-Ambient Thermal Resistance (
qJA) ..........90°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Package Thermal Characteristics
(Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VCC
2.3
3.3
5.5
V
VBAT
2.3
3.0
5.5
Logic 1
VIH
0.7 x
VCC
VCC +
0.3
V
Logic 0
VIL
-0.3
0.3 x
VCC
V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
1Hz Frequency Tolerance
D
f/fOUT
Measured over R 10s interval
Q
5
ppm
1Hz Frequency Stability vs. VCC
Voltage
D
f/V
Q
1
ppm/V
Timekeeping Accuracy
tKA
Q
0.432
Seconds/
Day
32kHz Frequency Tolerance
D
f/fOUT
Q
2.5
%
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Active Supply Current
(I2C Active: Includes
Temperature Conversion Current)
ICCA
VCC = +3.63V
200
A
VCC = VCCMAX
300
Standby Supply Current
(I2C Inactive: Includes
Temperature Conversion Current)
ICCS
VCC = +3.63V
130
A
VCC = VCCMAX
200
Temperature Conversion Current
(I2C Inactive)
ICCSCONV
VCC = +3.63V
575
A
VCC = VCCMAX
650
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