BQ3285ESS - Benchmarq

Manufacturer Part Number

BQ3285ESS

Manufacturer

Texas Instruments

Introduction

The BQ3285ESS is a Real Time Clock (RTC) device that integrates clock/calendar functions and non-volatile SRAM, designed by Texas Instruments.

Product Features and Performance

Clock/Calendar functionalities

Alarm, Daylight Savings, Leap Year adjustments

NVSRAM for data storage

Square Wave Output for external devices

Parallel interface for communication

Product Advantages

Integral non-volatile memory preserves system state and time

Automatic Daylight Savings and Leap Year adjustment

Low timekeeping current requirement enhances battery life

Key Technical Parameters

Memory Size: 242B

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

Date Format: YY-MM-DD-dd

Voltage Supply: 4.5V ~ 5.5V

Voltage Supply, Battery: 2.5V ~ 4V

Current Timekeeping (Max): 300µA @ 5V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 24-SSOP

Quality and Safety Features

Robust design ensuring reliable timekeeping and data storage

Designed to meet industry-standard quality and safety requirements

Compatibility

Parallel interface ensures compatibility with a wide range of microcontrollers and processors

Application Areas

Embedded systems requiring reliable timekeeping

Industrial control systems

Data logging and retention applications

Product Lifecycle

Obsolete status suggests nearing end of production

Potential replacements or upgrades should be considered

Several Key Reasons to Choose This Product

Texas Instruments' reputation for quality and reliability

Comprehensive features including alarm and daylight savings adjustment

Low power consumption enhances system efficiency

Non-volatile SRAM for robust data storage

Broad applicability across various systems and industries