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