Manufacturer Part Number
DS1390U-33+T&R
Manufacturer
Analog Devices
Introduction
Real-time clock component designed for timekeeping and calendar applications
Product Features and Performance
Clock/Calendar functionality with Alarm and Leap Year capabilities
Square Wave Output for external devices
Trickle-Charger integration for backup power solutions
SPI (Serial Peripheral Interface) for communication
Product Advantages
Accurate timekeeping in a compact package
Supports both 12-hour and 24-hour time formats
Low power consumption for energy-sensitive designs
Extended operating temperature range suitable for industrial applications
Key Technical Parameters
Supply Voltage Range: 2.97V ~ 5.5V
Battery Voltage Range: 1.3V ~ 5.5V
Timekeeping Current (Max): 175µA at supply voltage
Time Format: HH:MM:SS:hh
Date Format: YY-MM-DD-dd
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Designed to meet industry standards for reliability and longevity
Robust operation over a wide temperature range
Compatibility
SPI interface for broad microcontroller compatibility
Standard 10-TFSOP, 10-MSOP package for ease of surface mounting
Application Areas
Consumer electronics
Embedded systems
Automation and control devices
Communication equipment
Product Lifecycle
Product status is Active
No reported discontinuation, with ongoing support for replacements and upgrades
Several Key Reasons to Choose This Product
High integration of features in one component conserves board space
Enhanced ease of design with SPI compatibility
Robust design conducive to a wide range of applications
Proven product reliability from a reputable manufacturer Analog Devices
Support for both standard real-time clock and complex calendar functionalities