10 PCS DS3231 Real Time Clock Module

10 PCS DS3231 Real Time Clock Module
  • Product Code:SQ1766
  • Availability: In Stock
  • $23.48
  •  
  • Ex Tax:$23.48
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Tags: Real Time Clock, RTC Module, Square Wave Generator, Calendar Module, Timing Module, DS3231

Description:
The DS3231 is a low-cost, extremely accurate I2C real-time 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 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 the 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.

RTC Module Application:

  1. Servers
  2. Telematics
  3. GPS
  4. Utility power meters

DS3231 RTC Module Features:

  1. Clock Chip: DS3231
  2. Operating Voltage: 3.3V ~ 5.5V
  3. Clock Accuracy: ±2ppm (at 0°C ~ +40°C) , ±3.5ppm at (-40°C to +85°C)
  4. Temperature Sensor Accuracy: ±3°C
  5. Memory chip: AT24C32 (32K storage capacity)
  6. Interface: I2C (address: 0x57)
  7. Operating Temperature: -40°C ~ +85°C
  8. Pin Number: 10 Pin
  9. Size: 38mm x 22mm x 14mm

Documents:

  1. DS3231 RTC module datasheet pdf Link
  2. DS3231 library Github Link
  3. DS3231 RTC module Arduino Link

Package Include:
10 x RTC Module

Interfaces
Interface Type I2C
Electrical Parameters
Operating Voltage 3.3V ~ 5.5V
Board Parameters
Main Chip DS3231
Pin Count 10 Pin
Physical Parameters
Operating Temperature -40°C ~ +85°C
Size 38mm x 22mm x 14mm

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