Manufacturer Part Number
DS1342T+T&R
Manufacturer
Analog Devices
Introduction
The DS1342T+T&R is a real-time clock/calendar component provided in an 8-WDFN exposed pad package, designed for timekeeping applications in a variety of electronics.
Product Features and Performance
Real-time clock/calendar tracks time in hours, minutes, and seconds
12/24 hour format
Date tracking in YY-MM-DD-dd format
Alarm functionality
Leap year compensation
Square wave output for periodic interrupts
I2C, 2-Wire Serial interface for communication
Operating temperature range from -40°C to 85°C
Product Advantages
Wide voltage supply range (1.8V ~ 5.5V) accommodating various power setups
Low timekeeping current (0.6µA ~ 0.7µA @ 3V ~ 5V) enhancing battery life
Compact 8-TDFN (3x3) package saving space on PCBs
Key Technical Parameters
Voltage Supply: 1.8V ~ 5.5V
Time Format: HH:MM:SS (12/24 hr)
Date Format: YY-MM-DD-dd
Current Timekeeping (Max): 0.6µA ~ 0.7µA @ 3V ~ 5V
Interface: I2C, 2-Wire Serial
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Reliable performance in extreme temperatures ranging from -40°C to 85°C
Surface mount package enabling robust and durable mounting
Compatibility
Compatible with devices requiring 2-Wire Serial I2C communication protocol
Suitable for applications demanding compact real-time clock solutions
Application Areas
Consumer Electronics
Embedded Systems
Industrial Automation
Portable Devices
Data Logging Systems
Product Lifecycle
Product Status: Active
Not nearing discontinuation, with reliable availability of replacements or upgrades
Several Key Reasons to Choose This Product
High integration of features like alarm, leap year compensation, and square wave output supports complex applications
Low power consumption facilitates extended battery life in portable and wearables
Flexibility with a wide operating temperature and voltage supply range caters to various environmental conditions
Standard I2C communication ensures easy integration into existing designs with minimal additional components