DS3231MZ datasheet(2/20 Pages) MAXIM

2 / 20 page

±5ppm, I2C Real-Time Clock

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.......................... -40NC to +85NC

Storage Temperature Range............................ -55NC to +125NC

Lead Temperature (soldering, 10s) ................................+260NC

Soldering Temperature (reflow) ......................................+260NC

RECOMMENDED OPERATING CONDITIONS

(TA = -40NC to +85NC, unless otherwise noted.) (Note 1)

ELECTRICAL CHARACTERISTICS—FREQUENCY AND TIMEKEEPING

(VCC or VBAT = +3.3V, TA = -40NC 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 = -40NC to +85NC, unless otherwise noted. Typical values are at VCC = +3.3V, VBAT = +3.0V, and TA =

+25NC, unless otherwise noted.)

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VCC

2.3

3.3

5.5

VBAT

2.3

3.0

5.5

Logic 1

VIH

0.7 x

VCC

VCC +

0.3

Logic 0

VIL

-0.3

0.3 x

VCC

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

1Hz Frequency Tolerance

f/fOUT

Measured over R 10s interval

ppm

1Hz Frequency Stability vs. VCC

Voltage

f/V

ppm/V

Timekeeping Accuracy

tKA

0.432

Seconds/

Day

32kHz Frequency Tolerance

f/fOUT

2.5

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Active Supply Current

(I2C Active: Includes

Temperature Conversion Current)

ICCA

VCC = +3.63V

200

µA

VCC = VCCMAX

300

Standby Supply Current

(I2C Inactive: Includes

Temperature Conversion Current)

ICCS

VCC = +3.63V

130

µA

VCC = VCCMAX

200

Temperature Conversion Current

(I2C Inactive)

ICCSCONV

VCC = +3.63V

575

µA

VCC = VCCMAX

650

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