Manufacturer Part Number
DS1556-70+
Manufacturer
Analog Devices
Introduction
DS1556-70+ is a real-time clock with integrated non-volatile SRAM.
Product Features and Performance
Clock/Calendar function
Alarm capability
Leap Year correction
NVSRAM for non-volatile data storage
Watchdog Timer for system reset
Y2K compliant
Memory Size of 128kb
Product Advantages
Provides precise timekeeping and data retention in event of power loss
Offers extended data storage capabilities
Facilitates scheduled alarms and system resets
Key Technical Parameters
Memory Size: 128kb
Time Format: HH:MM:SS (24 hr)
Date Format: YY-MM-DD-dd
Interface: Parallel
Voltage - Supply: 4.5V ~ 5.5V
Current - Timekeeping (Max): 6mA @ 5V
Operating Temperature: 0°C ~ 70°C
Quality and Safety Features
Reliable operation within stated temperatures
Maintains accurate time even during power fluctuations
Compatibility
Logic levels compatible with common microcontrollers
Parallel interface for straightforward integration
Application Areas
Embedded systems
Industrial timekeeping
Data storage applications
Manufacturing equipment
Consumer electronics
Product Lifecycle
Active status
Not near discontinuation
Replacements or upgrades typically available for long-term support
Several Key Reasons to Choose This Product
Accurate and reliable timekeeping
Integrated memory saves additional component costs
Alarm and watchdog functions for improved system safety
Low power consumption enhances system efficiency
Easy integration with standard through-hole mounting
Supported by renowned manufacturer Analog Devices
Ideal for systems requiring durable and persistent time tracking and data retention
DS15540+070DALLAS
DS1556-70IND+Maxim