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DS3231 High Precision Real Time Clock & Memory Module

DS3231 High Precision Real Time Clock & Memory Module

$3.97

DS3231 Extremely Accurate I²C-Integrated RTC/TCXO/Crystal.
Note: Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE

Brand: Maxim Integrated

Availability: 2 in stock SKU: STC-00172 Categories: , , Tags: ,
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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, disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line. The DS3231 is available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package.

RTC maintains seconds, minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year. The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format. Provides two configurable alarm clock and a calendar can be set to a square wave output. 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, provide a reset output, and if necessary, automatically switch to the backup power supply. In addition, / RST pin is monitored as generating μP reset manually.

  • The device integrates a very precise digital temperature sensor, through the I2C interface to access it (as the same time). This temperature sensor accuracy is ± 3 ° C.
  • On-chip power supply control circuit can automatically detect and manage the main and standby power (i.e., low-voltage battery) to switch between the power supply. If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. When the main power re-power or voltage value returns to within the allowable range, the on-chip reset function can be used to restart the system microprocessor.
  • RTC maintains seconds, minutes, hours, day, date, month, and year information. If there’s less than 31 days in the month the end date will be automatically adjusted, including corrections for leap year. The clock operates in either the 24 hour or 12 hour format with AM/PM indication.
  • The chip provides two configurable alarm clocks and with calendar, the module can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus.
  • The integrated oscillator improves long-term accuracy of the device and reduces the number of components on the production line. The DS3231 is available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package.

Additional information

Weight8 g
Brand

Maxim Integrated

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