DS1307_06 Datasheet, PDF (4/15 Pages) Maxim Integrated Products – 64 x 8, Serial, I2C Real-Time Clock

TIMING DIAGRAM
DS1307 64 x 8, Serial, I²C Real-Time Clock
SDA
t_BUF
SCL
STOP START
t _LOW
t_HD:STA
t_R
t_F
t_HD:STA
t_HD:DAT
t_HIGH
SU:DAT
t_SU:STA
REPEATED
START
t_SU:STO
Figure 1. Block Diagram
X1
X2
V _CC
GND
V _BAT
SCL
SDA
C_L
C_L
POWER
CONTROL
SERIAL BUS
INTERFACE
AND ADDRESS
REGISTER
1Hz/4.096kHz/8.192kHz/32.768kHz
1Hz
Oscillator
and divider
CONTROL
LOGIC
Dallas
Semiconductor
DS1307
MUX/
BUFFER
RAM
(56 X 8)
CLOCK,
CALENDAR,
AND CONTROL
REGISTERS
USER BUFFER
(7 BYTES)
SQW/OUT
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