The DS1994L-F5 is a 1-Wire Time Chip, also known as an Electronic Registration Number with Timekeeping. It is a rugged, button-shaped device that provides a unique serial number and real-time clock functionality. Designed for applications requiring identification and time tracking, it is commonly used in access control, asset management, and time and attendance systems.

Applications

• Access control systems
• Asset tracking and management
• Time and attendance recording
• Electronic locks
• Inventory management
• Ticketing systems

Features

• Unique 64-bit registration number, laser-etched into the chip
• Real-time clock (RTC) with programmable alarms
• Integrated calendar with century byte
• Automatic leap year compensation
• On-chip 512-byte NV SRAM (Non-Volatile Static RAM)
• 1-Wire interface for communication and power
• Durable stainless steel package
• Operating voltage of 2.8V to 6.0V

Benefits

• Provides a unique and unalterable identification for each device
• Enables accurate time tracking and scheduling
• Simplifies system integration with a single-wire interface
• Offers non-volatile memory for storing configuration data or user information
• Provides a robust and reliable solution for harsh environments
• Reduces system complexity and cost

Additional Details

The DS1994L-F5 uses the 1-Wire communication protocol, which requires only a single data line plus ground for communication. The device derives power from the 1-Wire bus, eliminating the need for an external power supply. The integrated RTC provides accurate timekeeping, and the programmable alarms can be used to trigger events or alerts. The 512-byte NV SRAM can be used to store data such as access codes, configuration parameters, or user data. The durable stainless steel package protects the chip from physical damage and environmental factors, making it suitable for a wide range of applications.