Manufacturer Part Number
DS1554-70+
Manufacturer
Analog Devices
Introduction
The DS1554-70+ is a high-performance Real-Time Clock from Analog Devices, suitable for tracking time in HH:MM:SS format and date in YY-MM-DD-dd format with additional features for enhanced functionality.
Product Features and Performance
Real-time clock/calendar tracks time in hours, minutes, and seconds
Date tracking capability with leap year recognition
Contains 32KB NVSRAM for non-volatile data storage
Integrated alarm function
Watchdog timer for system resets
Integrated Y2K feature for compliance with year 2000
Parallel interface for communication and control
Product Advantages
High data integrity due to non-volatile RAM
Extensive timekeeping features including leap year and Y2K compliance
Alarm and watchdog timer increase reliability and system functionality
Key Technical Parameters
Memory Size: 32KB
Time Format: HH:MM:SS (24 hr)
Date Format: YY-MM-DD-dd
Voltage Supply: 4.5V ~ 5.5V
Current Timekeeping (Max): 6mA @ 5V
Operating Temperature: 0°C ~ 70°C
Mounting Type: Through Hole
Quality and Safety Features
Robust operation within a wide temperature range of 0°C to 70°C
Reliable power supply requirements ensuring stable functioning
Compatibility
Through Hole mounting compatible with standard PCBs
Parallel interface facilitates integration with most microcontrollers
Application Areas
Industrial Timing Control Systems
Consumer Electronics
Servers and Networking Equipment
Embedded Systems for Timekeeping
Product Lifecycle
Status: Active
This product is currently supported with no known discontinuation, and replacements or upgrades are readily available.
Several Key Reasons to Choose This Product
Integrated backup features like an alarm and watchdog timer enhance system reliability.
Generous 32KB NVSRAM ensures ample storage for data retention.
Y2K compliance and leap year recognition enable long-term usability beyond decades.
Wide operating temperature and power supply range accommodate diverse industrial environments.
Easy integration through Parallel interface and Through Hole mounting supports varied design requirements.