DS1308U-18+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS1308U-18+

Manufacturer

Analog Devices

Introduction

The DS1308U-18+ is a real-time clock/calendar integrated circuit, utilizing advanced interface technology to provide a precise time and date tracking system.

Product Features and Performance

Clock/Calendar functionality

Leap Year compensation

NVSRAM for data storage

Square Wave Output for external applications

I2C, 2-Wire Serial Interface for easy integration

Wide voltage supply range from 1.71V to 5.5V

Battery voltage supply range from 1.3V to 5.5V

Compact 8-TSSOP, 8-MSOP packaging

Product Advantages

High reliability with leap year compensation

Persistent data storage with NVSRAM

Flexible voltage requirements accommodate various power supplies

Precision timekeeping up to 100µA current consumption

Key Technical Parameters

Memory Size: 56B

Time Format: HH:MM:SS (12/24 hr)

Date Format: YY-MM-DD-dd

Voltage Supply: 1.71V ~ 5.5V

Voltage Supply, Battery: 1.3V ~ 5.5V

Current Timekeeping (Max): 200µA @ 1.89V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Operating within extreme temperature ranges ensures durability

Low power consumption supports long-term use in various applications

Compatibility

Compatible with systems requiring I2C or 2-Wire Serial interfaces

Application Areas

Consumer electronics

Embedded systems

Industrial timing solutions

Telecommunications

Product Lifecycle

Currently in an active state with no indication of near-term discontinuation

Continued availability of replacements or upgrades

Several Key Reasons to Choose This Product

Precision timekeeping suitable for sensitive applications

Robust interface options with I2C and 2-Wire Serial

Versatile power supply range accommodating multiple system specifications

Reliable operation across a broad range of temperatures

Compact and easy to integrate into existing designs with 8-TSSOP, 8-MSOP package