DS1338U-3+ - Maxim

Manufacturer Part Number

DS1338U-3+

Manufacturer

Analog Devices

Introduction

The DS1338U-3+ is a real-time clock (RTC) chip that provides accurate timekeeping and calendar functions. It features a built-in crystal oscillator, NVSRAM for data storage, and a square wave output for timing applications.

Product Features and Performance

Leap year calendar

56 bytes of NVSRAM

Square wave output

12/24-hour time format

Year-Month-Day-Day-of-Week date format

I2C and 2-wire serial interfaces

Operating voltage range: 2.7V to 5.5V

Timekeeping current: 200μA maximum at 3.3V

Operating temperature range: -40°C to 85°C

Product Advantages

Integrated crystal oscillator for accurate timekeeping

Non-volatile SRAM for data storage

Flexible interface options (I2C and 2-wire serial)

Wide operating voltage and temperature ranges

Key Reasons to Choose This Product

Reliable and accurate real-time clock functionality

Low power consumption for battery-powered applications

Versatile interface options for easy system integration

Robust operating temperature range for industrial and automotive use

Quality and Safety Features

Tested and qualified to industry standards

RoHS-compliant and lead-free package

Compatibility

The DS1338U-3+ is compatible with a wide range of microcontrollers and processors that support the I2C or 2-wire serial protocol.

Application Areas

Industrial automation and control

Automotive electronics

Portable and battery-powered devices

Embedded systems and IoT applications

Product Lifecycle

The DS1338U-3+ is an active product and there are no plans for discontinuation at this time. Alternative models with similar functionality include the DS1339, DS1340, and DS3231 real-time clock ICs from Analog Devices. Customers are advised to consult with our website's sales team for the latest product availability and recommendations.