| Customization: | Available |
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| Conductive Type: | Unipolar Integrated Circuit |
| Integration: | LSI |
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DS3231SN : Real Time Clock Serial Clock/Calendar/Alarm/Battery Backup 16-Pin SOIC
Mfr. Part#: DS3231SN
Datasheet: 
(e-mail or chat us for PDF file)
ROHS Status:
Quality: 100% Original
Warranty: ONE YEAR
| RTC Bus Interface: | Serial |
| Date Format: | YY-MM-DD-dd |
| Time Format: | HH:MM:SS (24 hr) |
| Package / Case: | SOIC-16 |
| Battery Backup Switching: | Backup Switching |
| Supply Voltage - Min: | 2.3 V |
| Supply Voltage - Max: | 5.5 V |
| Minimum Operating Temperature: | - 40 C |
| Maximum Operating Temperature: | + 85 C |
| Series: | DS3231SN |
| Mounting Style: | SMD/SMT |
| Packaging: | Reel |
| Packaging: | Cut Tape |
| Brand: | Analog Devices / Maxim Integrated |
| Function: | Calendar, Clock |
| Product Type: | Real Time Clocks |
| Factory Pack Quantity: | 1000 |
| Subcategory: | Clock & Timer ICs |
| Part # Aliases: | DS3231SN 90-3231S#NTR |
| Unit Weight: | 0.023492 oz |
The DS3231 is a low-cost, extremely accurate I2C real-time 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. 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 DS3231 is available in commercial and industrial temperature ranges, and is offered in a 16-pin, 300-mil SO package. The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Two programmable time-of-day alarms and a programmable square-wave output are provided. Address and data are transferred serially through an I2C bidirectional bus. A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, to provide a reset output, and to automatically switch to the backup supply when necessary. Additionally, the RST pin is monitored as a pushbutton input for generating a μP reset.
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