DS3231SN# Maxim Integrated Products, DS3231SN# Datasheet - Page 8

• Manufacturer Part Number: DS3231SN#
• Description: IC RTC W/TCXO 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/TCXO/Crystalr

Specifications of DS3231SN#

• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Function: Clock/Calendar/Battery Backup
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (I2C)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Extremely Accurate I
RTC/TCXO/Crystal
8
_____________________________________________________________________
V
GND
SCL
SDA
V
BAT
CC
X1
X2
I
ADDRESS REGISTER
2
CAPACITOR ARRAY
POWER CONTROL
OSCILLATOR AND
C INTERFACE AND
DECODE
DS3231
CONTROL LOGIC/
TEMPERATURE
2
DIVIDER
SENSOR
C-Integrated
1Hz
1Hz
SQUARE-WAVE BUFFER;
CLOCK AND CALENDAR
ALARM, STATUS, AND
VOLTAGE REFERENCE;
CONTROL REGISTERS
DEBOUNCE CIRCUIT;
PUSHBUTTON RESET
INT/SQW CONTROL
USER BUFFER
REGISTERS
(7 BYTES)
Block Diagram
V
CC
N
N
N
32kHz
INT/SQW
RST