آی سی زمان DS3231 – RTC

80,000 تومان

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توضیحات

General Description
The DS3231 is a low-cost, extremely accurate I
2C
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 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 I
2C bidirectional bus.
A precision temperature-compensated voltage reference

and comparator circuit monitors the status of V
CC 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.

Applications
19-5170; Rev 10; 3/15

Underwriters Laboratories is a registered certification mark of

Underwriters Laboratories Inc.

Ordering Information and Pin Configuration appear at end of data

sheet.

Servers
Telematics
Utility Power Meters
GPS

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DS3231

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