Manufacturer Part Number
DS1339U-2+
Manufacturer
Analog Devices
Introduction
High-precision Real Time Clock with I2C interface
Product Features and Performance
Clock/Calendar Function
Alarm with Interrupt Capability
Leap Year Correction
Square Wave Output for Clock Reference
Trickle-Charger for Backup Battery
I2C Serial Interface
Product Advantages
Supports Wide Voltage Range (1.8V ~ 5.5V)
Minimal Timekeeping Current (Max 100µA @ 2.2V)
High Operating Temperature Range (-40°C ~ 85°C)
Low Power Consumption
Key Technical Parameters
Supply Voltage: 1.8V ~ 5.5V
Battery Voltage: 1.3V ~ 3.7V
Timekeeping Current: Max 100µA @ 2.2V
Time Format: HH:MM:SS (12/24 hr)
Date Format: YY-MM-DD-dd
Communication: I2C, 2-Wire Serial
Quality and Safety Features
Battery Backup Capability for Continuous Timekeeping
Reliable Performance with Extended Temperature Range
Compatibility
Compatible with Standard I2C 2-Wire Interface
Suited for Systems Requiring Accurate Timekeeping
Application Areas
Consumer Electronics
Computing Systems
Telecommunications
Industrial Systems
Embedded Systems
Product Lifecycle
Status: Active
No Indication of Nearing Discontinuation
Availability of Replacement or Upgrades Not Specified
Several Key Reasons to Choose This Product
Highly Accurate Timekeeping Function
Versatile Power Supply Compatibility
Integrated Alarm and Timekeeping Features
Extended Operating Temperature for Harsh Environments
Simple Integration with I2C Interface
Compact Surface Mount Package for Space-Constrained Applications
DS1339U-2+T.RAnalog Devices / Maxim Integrated