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DS-323 PIN, DS3231, DS3231DN

Table of contents:
Info of DS-323 PIN
Info of DS3231
Info of DS3231DN

DS-323 PIN, DS3231, DS3231DN Selling Leads, Datasheet

MFG:MA/COM Package Cooled:N/A D/C:08+

DS-323 PIN, DS3231, DS3231DN Datasheet download

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Part Number: DS-323 PIN

MFG: MA/COM

Package Cooled: N/A

D/C: 08+

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DS3231 General 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 accu-rate timekeeping when main power to the device is inter-rupted. 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 refer-ence 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 nec-essary. Additionally, the RST pin is monitored as a pushbutton input for generating a reset externally.

DS3231 Maximum Ratings

Voltage Range on VCC, VBAT, 32kHz, SCL, SDA, RST ,INT /SQW Relative to Ground..... .......-0.3V to +6.0V
Operating Temperature Range (noncondensing) .............................................................-40°C to +85°C
Junction Temperature......................................................................................................................+125°C
Storage Temperature Range..............................................................................................-40°C to +85°C
Lead Temperature (Soldering, 10s)...........................................................................................+260°C/10s
Soldering Temperature.........................................See the Handling,PC Board Layout, and Assembly section.

DS3231 Features

Accuracy ±2ppm from 0°C to +40°C
Accuracy ±3.5ppm from -40°C to +85°C
Battery Backup Input for Continuous Timekeeping
Operating Temperature Ranges
`Commercial: 0°C to +70°C
`Industrial: -40°C to +85°C
Low-Power Consumption
Real-Time Clock Counts Seconds, Minutes,Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
Two Time-of-Day Alarms
Programmable Square-Wave Output
Fast (400kHz) I²C Interface
3.3V Operation
Digital Temp Sensor Output: ±3°C Accuracy
Register for Aging Trim
RST Input/Output
UL Recognized

DS3231 Typical Application

·Servers Utility Power Meters
·Telematics GPS

DS3231 Connection Diagram

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