Datasheet

I
2
C RTC with Trickle Charger
DS1340
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 (continued)
REVISION
NUMBER
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
Updated the top mark information in the Ordering Information table. 1
Updated the soldering information in the Absolute Maximum Ratings section. 2
Updated the SDA and SCL pin descriptions in the Pin Description table. 6
Increased ESR from 45,60k (max) to 80k (max) in Table 2.
7
6 10/10
Updated the Package Information table. 14
7 8/11
Raised V
CC(MAX)
limits for the -18 and -3 versions from 1.89V and 3.3V to 5.5V to
provide wide voltage functional operation; reorganized the EC tables and notes
2, 3
8 4/13
Clarified V
BACKUP
in Absolute Maximum Ratings and updated Clock Calibration
section
2, 9