DS1307 Maxim, DS1307 Datasheet - Page 14

• Manufacturer Part Number: DS1307
• Description: The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM
• Manufacturer: Maxim

REVISION HISTORY
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.
M a x i m I n t e g r a t e d P r o d u c t s , 1 2 0 S a n G a b r i e l D r iv e , S u n n y v a le , C A 9 4 0 8 6 4 0 8- 7 3 7 - 7 6 0 0
© 2008 Maxim Integrated Products
REVISION
100208
DATE
Moved the Typical Operating Circuit and Pin Configurations to first page.
Removed the leaded part numbers from the Ordering Information table.
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.
DESCRIPTION
14 of 14
Maxim is a registered trademark of Maxim Integrated Products, Inc.
DS1307 64 x 8, Serial, I
2
C Real-Time Clock
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