Manufacturer Part Number
DS1338U-3+T&R
Manufacturer
analog-devices
Introduction
The DS1338U-3+T&R is a feature-rich real-time clock from Analog Devices, designed for accurate timekeeping, low power consumption, and enhanced system reliability.
Product Features and Performance
Clock/Calendar functionality
Support for Leap Year adjustments
Incorporates NVSRAM for non-volatile storage
Square Wave Output for various applications
Memory Size of 56 Bytes for data storage
Supports both 12-hour and 24-hour time format
Date format is YY-MM-DD-dd for easy integration
I2C, 2-Wire Serial Interface for convenient communication
Operates on a voltage supply range of 2.7V ~ 5.5V
Battery voltage support ranges from 1.3V to 3.7V
Low current timekeeping at maximum 200µA @ 3.3V
Product Advantages
Enhanced power efficiency for longer battery life
Reliable timekeeping, including during leap years
Simplified connectivity with I2C interface
Ample storage for timekeeping functions
Robust operation across a wide temperature range
Key Technical Parameters
Voltage - Supply: 2.7V ~ 5.5V
Voltage - Supply, Battery: 1.3V ~ 3.7V
Current - Timekeeping (Max): 200µA @ 3.3V
Operating Temperature: -40°C to 85°C
8-TSSOP, 8-MSOP package for compact design
Quality and Safety Features
Built to operate reliably in extreme temperatures
Low power consumption for enhanced device safety
Surface Mount technology for secure mounting
Compatibility
Compatible with a wide range of microcontrollers via I2C
Versatile for integration with various electronic systems
Application Areas
Embedded systems
Consumer electronics
Industrial timing devices
Portable medical devices
Product Lifecycle
Active product status, ensuring ongoing production and support
No indication of nearing discontinuation, with upgrades and replacements available
Several Key Reasons to Choose This Product
High accuracy timekeeping enhances system reliability
Low power consumption for efficient battery use
Flexible interface options ensure easy integration
Broad operating temperature range for diverse applications
Continuous product support and availability