Manufacturer Part Number
DS1685E-3+T&R
Manufacturer
Analog Devices
Introduction
The DS1685E-3+T&R is a real-time clock component, providing accurate time and date information with alarm and NVSRAM functionalities.
Product Features and Performance
Integrated clock/calendar
Onboard alarm function
Non-volatile SRAM
Square wave output
Supports Y2K compliance
Memory size of 242 bytes
24-hour or 12-hour time format
Date format including year, month, day, and day of the week
Parallel interface for communication
Low power consumption
Product Advantages
High integration for space-constrained applications
Y2K feature ensures long-term usability
NVSRAM for reliable data retention without a battery
Low power requirements enhance battery life
Surface-mount package compatible with modern PCB technology
Key Technical Parameters
Memory Size: 242B
Time Format: HH:MM:SS (12/24 hr)
Date Format: YY-MM-DD-dd
Interface: Parallel
Voltage - Supply: 2.7V ~ 3.7V
Voltage - Supply, Battery: 2.5V ~ 3.7V
Current - Timekeeping (Max): 2mA @ 3V
Operating Temperature: 0°C ~ 70°C
Mounting Type: Surface Mount
Quality and Safety Features
Stable operation across the specified temperature range
Compliant with industry-standard quality and safety norms
Compatibility
Compatible with systems requiring a parallel interface for timekeeping
Available in a standard 24-TSSOP package
Application Areas
Consumer electronics
Computing systems
Industrial timing applications
Embedded systems
Product Lifecycle
Status: Active
The device is currently in production with no immediate discontinuation planned.
Several Key Reasons to Choose This Product
Precision timekeeping suitable for sensitive applications
Durable NVSRAM ensures data integrity
Low current consumption extends the life of battery-powered devices
Y2K compliance aids in long-term deployment
Versatile supply voltage range for ease of system integration
Alarm and square wave functions add to system capabilities