Manufacturer Part Number
DS1391U-33
Manufacturer
Analog Devices
Introduction
DS1391U-33 is a real-time clock (RTC) component designed for accurate timekeeping in a wide range of electronic devices.
Product Features and Performance
Clock/Calendar Functionality
Alarm Feature
Leap Year Compensation
Square Wave Output
Trickle-Charger for battery backup
Product Advantages
Accurate timekeeping
Low power consumption
Extended temperature range operation
Alarm function for time-specific events
Key Technical Parameters
SPI Interface
Voltage Supply Range: 2.97V to 5.5V
Battery Voltage Supply Range: 1.3V to 5.5V
Current - Timekeeping (Max): 175µA at supplied voltages
Time Format: HH:MM:SS:hh (12/24-hour format)
Date Format: YY-MM-DD-dd
Quality and Safety Features
Operable in extreme temperatures: -40°C to 85°C
Compatibility
SPI communication interface for wide microcontroller compatibility
Surface Mount compatible
Application Areas
Electronic appliances
Industrial systems
Embedded systems
Consumer electronics
Product Lifecycle
Obsolete status
Potential for replacement or upgrade availability
Several Key Reasons to Choose This Product
Proven reliability from manufacturer Analog Devices
Versatility across various applications due to SPI compatibility
Built-in features to maintain time accuracy
Low power consumption ensuring minimal impact on device battery life
Functional at broad operating temperature ranges suitable for harsh environments