Datasheet

±5ppm, I
2
C Real-Time Clock
DS3231M
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent
licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and
max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
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Revision History
REVISION
NUMBER
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
0 6/10 Initial release —
1 5/11
Updated the Features section; moved the temperature accuracy limit from ±3°C (max)
to ±3°C (typ) in the DC Electrical Characteristics—General table; added the Power-
Supply Current vs. SCL Frequency graph to the Typical Operating Characteristics
section; changed the initial date information to international format in the Power-Supply
Configuration section
1, 3, 6, 10
2 10/11
Removed future status from the 8-pin SO package in the Ordering Information table;
updated the Typical Operating Circuit; added Note 7 to the C
BIN
parameter in the AC
Electrical Characteristics—I
2
C Interface table; clarified the 10h register range in Table
2 and the Aging Offset Register (10h) section; corrected the package codes for both
SO variants in the Package Information table
1, 4, 11, 15,
19
3 12/11
Added the automotive qualified 8-pin SO package to the Ordering Information table;
changed the lead temperature from +260°C to +300°C in the Absolute Maximum
Ratings section
1, 2
4 9/12 Changed the operating temperature range from -40°C to +85°C to -45°C to +85°C
1-4, 8
5 7/13 Added junction temperature and package thermal data 2
6 8/14 Added Initial V
BAT
Attachment section 10