Product Summary

The DS3231SN is a low-cost, extremely accurate I2C realtime clock (RTC) with an integrated temperaturecompensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted.

Parametrics

Absolute maximum ratings: (1)Voltage Range on VCC, VBAT, 32kHz, SCL, SDA, RST,; (2)INT/SQW Relative to Ground: -0.3V to +6.0V; (3)Operating Temperature Range; (4)(noncondensing): -40℃ to +85℃; (5)Junction Temperature: +125℃; (6)Storage Temperature Range: -40℃ to +85℃; (7)Lead Temperature; (8)(Soldering, 10s): +260℃/10s.

Features

Features: (1)Accuracy ±2ppm from 0℃ to +40℃; (2)Accuracy ±3.5ppm from -40℃ to +85℃; (3)Battery Backup Input for Continuous Timekeeping; (4)Operating Temperature Ranges: Commercial: 0℃ to +70℃; Industrial: -40℃ to +85℃; (5)Low-Power Consumption; (6)Two Time-of-Day Alarms; (7)Programmable Square-Wave Output; (8)Fast (400kHz) I2C Interface; (9)3.3V Operation; (10)Digital Temp Sensor Output: ±3℃ Accuracy; (11)Register for Aging Trim; (12)RST Input/Output; (13)UL Recognized.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
DS3231SN
DS3231SN
Maxim Integrated Products
Real Time Clock Integrated RTC/TCXO/Crystal
Data Sheet
0-2500: $2.55
DS3231SN#
DS3231SN#
Maxim Integrated Products
Real Time Clock Integrated RTC/TCXO/Crystal
Data Sheet
0-1: $6.04
1-25: $4.06
25-50: $2.94
50-100: $2.90
DS3231SN#T&R
DS3231SN#T&R
Maxim Integrated Products
Real Time Clock Integrated RTC/TCXO/Crystal
Data Sheet
0-609: $3.07
609-1000: $2.28
DS3231SN/T&R
DS3231SN/T&R
Maxim Integrated Products
Real Time Clock Integrated RTC/TCXO/Crystal
Data Sheet
0-1665: $2.35