Datasheet

±5ppm, I
2
C Real-Time Clock
5Maxim Integrated
DS3231M
Timing Diagrams
Figure 3. Pushbutton Reset Timing
Figure 1. I
2
C Timing
Figure 2. Power Switch Timing
SCL
NOTE: TIMING IS REFERENCED TO V
ILMAX
AND V
IHMIN
.
SDA
STOP START REPEATED
START
t
BUF
t
HD:STA
t
HD:DAT
t
SU:DAT
t
SU:STO
t
HD:STA
t
SP
t
SU:STA
t
HIGH
t
R
t
F
t
LOW
t
RST
PB
DB
RST
t
VCCF
t
VCCR
t
REC
V
PFMAX
V
CC
RST
V
PFMIN