DS1307 64 x 8, Serial, I
2
C Real-Time Clock
REVISION HISTORY
DESCRIPTION
100208
Moved the Typical Operating Circuit and Pin Configurations to first page.
1
Removed the leaded part numbers from the Ordering Information table.
1
Added an open-drain transistor to SQW/OUT in the block diagram (Figure 1). 4
Added the pullup voltage range for SDA, SCL, and SQW/OUT to the Pin
Description table and noted that SQW/OUT can be left open if not used.
6
Added default time and date values on first application of power to the Clock
and Calendar section and deleted the note that initial power-on state is not
8
Added default on initial application of power to bit info in the Control Register
section.
9
Updated the Package Information section to reflect new package outline
drawing numbers.
13
14
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.
Maxim 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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2008 Maxim Integrated
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