Manufacturer Part Number
DS1308U-33+
Manufacturer
Analog Devices
Introduction
The DS1308U-33+ is a robust, real-time clock component from Analog Devices, utilized for timekeeping in embedded systems.
Product Features and Performance
Clock/Calendar functionality
Supports Leap Year
Integrated NVSRAM for data storage
Square Wave Output for additional clock signaling
56 Byte of memory capacity
Time format HH:MM:SS supporting both 12-hour and 24-hour cycle
Date format YY-MM-DD-dd
I2C and 2-Wire Serial interface for communication
Operates over a supply voltage range of 3V to 5.5V
Battery voltage can vary from 1.3V to 5.5V
Product Advantages
Low power consumption (125µA ~ 200µA)
High temperature operational range (-40°C to 85°C)
Small package size (8-TSSOP, 8-MSOP) suitable for space-constrained applications
Key Technical Parameters
Memory Size: 56B
Voltage Supply: 3V ~ 5.5V
Voltage Supply, Battery: 1.3V ~ 5.5V
Current Timekeeping (Max): 125µA ~ 200µA
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Quality and Safety Features
Stable timekeeping under variable temperatures and voltages
Robust surface mount package
Compatibility
Interface compatible with I2C and 2-Wire Serial systems
Flexible voltage requirements for easy integration
Application Areas
Embedded systems
Computing devices
Consumer electronics
Industrial applications
Product Lifecycle
Currently marked as Active
No indicated plans for discontinuation; ongoing support for replacements and upgrades
Several Key Reasons to Choose This Product
Reliable timekeeping accuracy across various conditions
Low power consumption suitable for battery-driven applications
Broad compatibility with various microcontroller interfaces
High operational temperature range ensuring performance in diverse environments
Compact and versatile for any system integration needs