DS1307 64 x 8, Serial, I

2C Real-Time Clock

14 of 14

REVISION HISTORY

REVISION

DATE

DESCRIPTION

PAGES

CHANGED

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

defined.

8

Added default on initial application of power to bit info in the Control Register

section.

9

100208

Updated the Package Information section to reflect new package outline

drawing numbers.

13