Rev 6; 10/08
2
I C RTC/TCXO/
___________________________________ ___________________________________
2 0 +40 2pp
DS3231 I C (RTC) -40 +85 3.5pp
(TCXO)
0 +70
DS3231 16
-40 +85
00mil SO
TC
1
2100
24 AM/PM 12
2
C
I
2 (400kHz) I
C
V
CC 3.3V 3
RST
P RST (UL
)
___________________________________
______________________________
GPS
TOP 
PART TEMP RANGE PIN-PACKAGE
MARK
DS3231S#    0C to +70C 16 SO DS3231
DS3231SN# -40C to +85C 16 SO DS3231S
# RoHS RoHS
JESD97 e3
# RoHS
____________________________________________________________________
V
V
CC
CC
R = t /C
PU  R B
V
CC
R
R
PU
PU
V
CC
INT/SQW
SCL
SCL
SDA
32kHz
SDAP
V
BAT
RST
RST
DS3231
PUSHBUTTON
N.C.
N.C.
RESET
N.C.
N.C.
N.C.
N.C.
GND
N.C.
N.C.
UL Underwriters Laboratories, Inc.
______________________________________________ Maxim Integrated Products 1