
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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Low-Current SPI/3-Wire RTCs
DS1343/DS1344
Revision History
REVISION
NUMBER
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
0
3/11
Initial release
—
1
12/11
Removed future status from several DS1344 parts in the Ordering Information table;
added UL recognized to the Features and Battery Charge Protection sections;
added IBATLKG and DS1344 IBAT1, IBAT2 specs to the DC Electrical Characteristics
section; added DS1344 Typical Operating Characteristics graphs
1, 2, 7, 18, 19