Manufacturer Part Number
DS1306EN+T&R
Manufacturer
Analog Devices
Introduction
High precision serial real-time clock with dual alarms and NVSRAM
Product Features and Performance
Clock/Calendar functionality
Alarm features with programmable frequency
Non-volatile SRAM (NVSRAM) storage
Square Wave Output for external device control
Integrated trickle-charger for battery backup
Accurate timekeeping with leap year compensation
Product Advantages
Low timekeeping current ensures longevity
Non-volatile storage protects data against power loss
Dual alarms enhance scheduling flexibility
Wide voltage range caters to varying power supplies
Key Technical Parameters
Memory Size: 96 Bytes
Time Format: HH:MM:SS (12/24 hour)
Date Format: YY-MM-DD-dd
Interface: SPI
Voltage Supply: 2V ~ 5.5V
Supply, Battery: 2V ~ 5.5V
Current Timekeeping: 25.3µA ~ 81µA @ 2V ~ 5V
Operating Temperature Range: -40°C to +85°C
Quality and Safety Features
Reliable performance across wide temperature
Robust surface mount package 20-TSSOP
Compatibility
Easy integration with microcontrollers via SPI interface
Versatile supply voltage for compatibility with diverse systems
Application Areas
Industrial timing control systems
Consumer electronics
Wearable devices
Data loggers
Smart appliances
Product Lifecycle
Status: Active
Notation indicates no immediate risk of discontinuation
Current package and replacements available if necessary
Several Key Reasons to Choose This Product
Trusted manufacturer with reputation for quality in timing devices
Enhanced power management with adjustable trickle-charge settings
Simplified interfacing with widespread SPI support
Solid timekeeping accuracy including leap years without adjustment
Ample memory storage for application data with NVSRAM
Ideal for systems requiring continuous timing information with battery backup capability