keyestudio DS3234 high precision real time clock module for Arduino

$6.99

Availability: In stock

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Product Description

WIKI: http://wiki.keyestudio.com/index.php/Ks0166_keyestudio_DS3234_high_precision_real_time_clock_module

Video: http://www.keyestudio.com/wp/2016/05/ks0166-keyestudio-ds3234-high-precision-real-time-clock-module/

Introduction

The DS3234 is a low-cost, extremely accurate SPI™ bus real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The DS3234 incorporates a precision, temperature-compensated voltage reference and comparator circuit to monitor VCC. The device switches to the backup supply 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 DS3234 is available in commercial and industrial temperature ranges, and is offered in an industry-standard 300-mil, 20-pin SO package.

Specification

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 2099
Two Time-of-Day Alarms
Programmable Square-Wave Output
Digital Temp Sensor Output: ±3°C Accuracy
300-Mil, 20-Pin SO Package
Underwriters Laboratories Recognized

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Backorders: All backordered items will be shipped via Standard Delivery service at no additional charge.

Returns Policy: You may return new, unworn or unused products within thirty (30) days of delivery for a full refund of the cost of the goods, or an exchange if preferred.

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