(China (Mainland))
Product Summary
The DS3231SN# is a low-cost, extremely accurate I2C realtime clock (RTC) with an integrated temperature compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The DS3231SN# is available in commercial and industrial temperature ranges, and is offered in a 16-pin, 300-mil SO package.
Parametrics
Absolute maximum ratings: (1)Voltage Range on VCC, VBAT, 32kHz, SCL, SDA, RST, INT/SQW Relative to Ground: -0.3V to +6.0V; (2)Operating Temperature Range (noncondensing): -40℃ to +85℃; (3)Junction Temperature: +125℃; (4)Storage Temperature Range: -40℃ to +85℃; (5)Lead Temperature (Soldering, 10s): +260℃/10s; (6)Soldering Temperature: See the Handling, PC Board Layout, and Assembly section.
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)Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100; (7)Two Time-of-Day Alarms; (8)Programmable Square-Wave Output; (9)Fast (400kHz) I2C Interface; (10)3.3V Operation; (11)Digital Temp Sensor Output: ±3℃ Accuracy; (12)Register for Aging Trim; (13)RST Input/Output; (14)UL Recognized.
Diagrams
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 DS3231SN# |
Maxim Integrated Products |
Real Time Clock Integrated RTC/TCXO/Crystal |
Data Sheet |
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DS3231SN#T&R |
Maxim Integrated Products |
Real Time Clock Integrated RTC/TCXO/Crystal |
Data Sheet |
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