DS1339_11 datasheet(6/20 Pages) MAXIM

Part #	DS1339

Description	I2C Serial Real-Time Clock Trickle-Charge Capability

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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DS1339 I

2C Serial Real-Time Clock

6 of 20

Figure 2. Timing Diagram

Figure 3. Block Diagram

ALARM,

TRICKLE

CHARGE, AND

CONTROL

REGISTERS

SERIAL BUS

INTERFACE AND

ADDRESS

REGISTER

CONTROL

LOGIC

1Hz

1Hz/4.096kHz/8.192kHz/32.768kHz

MUX/

BUFFER

USER BUFFER

(7 BYTES)

CLOCK AND

CALENDAR

REGISTERS

Power Control

X

1

C

L

C

L

X

2

DS1339

SQW/

INT

V

CC

V

BACKUP

SCL

SDA

GND

Oscillator

and

divider

"C" version only

N

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DS1339 Datasheet(PDF) 6 Page - Maxim Integrated Products

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