1339-31DVGI8 - Renesas Electronics America Inc

Manufacturer Part Number

1339-31DVGI8

Manufacturer

Renesas Electronics America

Introduction

The 1339-31DVGI8 is a highly integrated real-time clock/calendar optimized for low power consumption and high accuracy, featuring alarm, leap year compensation, square wave output, and trickle-charger functionalities.

Product Features and Performance

Advanced timekeeping features including Clock/Calendar, Alarm, Leap Year, and Square Wave Output

Includes a Trickle-Charger for external backup batteries

HH:MM:SS (12/24 hr) time format and YY-MM-DD-dd date format for versatile applications

I2C, 2-Wire Serial interface for easy communication with microcontrollers

Wide voltage supply range from 3.3V to 5.5V for system flexibility

Battery voltage support from 1.3V to 3.7V, accommodating a variety of backup power sources

200µA maximum timekeeping current between 3.63V and 5.5V, ensuring low power consumption

Capable of operating in extreme temperature ranges from -40°C to 85°C, suitable for harsh environments

Product Advantages

High integration reduces system components and design complexity

Low power consumption extends the life of backup power sources

Flexible time and date formatting options support global applications

Easy to integrate with most microcontroller units (MCUs) due to the common I2C interface

Robust operating temperature range enhances reliability in extreme conditions

Key Technical Parameters

Voltage Supply: 3.3V ~ 5.5V

Voltage Supply, Battery: 1.3V ~ 3.7V

Current Timekeeping (Max): 200µA @ 3.63V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Interface: I2C, 2-Wire Serial

Quality and Safety Features

Manufactured by Renesas Electronics America, a leader in semiconductor solutions, ensuring product reliability

Designed for high reliability and stability over a wide range of operating conditions

Compatibility

Compatible with a wide range of microcontrollers and processors via the 2-wire I2C serial interface

Flexible power supply requirements enable compatibility with various system power schemes

Application Areas

Telecommunications

Consumer electronics

Automotive systems

Industrial control systems

Healthcare devices

Product Lifecycle

Status: Active

The product is not nearing discontinuation, and replacements or upgrades should be readily available as standard.

Several Key Reasons to Choose This Product

Advanced timekeeping features support complex calendar and alarm functions

Low power consumption facilitates longer battery life in portable and backup applications

The inclusion of trickle-charging functionality reduces maintenance requirements

High reliability and wide operating temperature range ensure performance in demanding conditions

Easy integration with existing designs due to common I2C interface and flexible power supply options

Backed by Renesas Electronics America, ensuring support and reliability