DS1307 Datasheet, PDF (14/14 Pages) Dallas Semiconductor – 64 X 8 Serial Real Time Clock

DS1307 64 x 8, Serial, I²C Real-Time Clock
REVISION HISTORY
REVISION
DATE
DESCRIPTION
Moved the Typical Operating Circuit and Pin Configurations to first page.
Removed the leaded part numbers from the Ordering Information table.
100208
Added an open-drain transistor to SQW/OUT in the block diagram (Figure 1).
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.
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
defined.
Added default on initial application of power to bit info in the Control Register
section.
Updated the Package Information section to reflect new package outline
drawing numbers.
PAGES
CHANGED
1
1
4
6
8
9
13
14 of 14
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