The DS1743E-5 is a high-performance, full-function timekeeper that integrates a fully addressable nonvolatile static RAM, a real-time clock, a crystal, and a lithium energy source into a single package. This innovative product from Maxim Integrated is designed to maintain full functionality and data integrity in the absence of an external power supply, making it an ideal solution for a wide range of applications including utility meters, security systems, and industrial control systems.

Key Features

• Nonvolatile Timekeeping: The DS1743E-5's real-time clock (RTC) maintains seconds, minutes, hours, day, date, month, and year information, with automatic leap year compensation valid up to 2100.
• Integrated Power Source: The device includes a built-in lithium energy cell that provides reliable long-term operation, ensuring data and timekeeping retention for over 10 years in the absence of external power.
• User-Accessible Nonvolatile RAM: With 4KB of NV SRAM, users can store critical data that will not be lost when the system power is removed.
• Low Power Consumption: Designed for energy efficiency, the DS1743E-5 draws minimal power, making it suitable for battery-powered applications.
• Simple Integration: The device is available in a JEDEC standard 28-pin 600-mil DIP, which allows for easy integration into existing designs without the need for additional hardware.

Applications

The DS1743E-5 is versatile and can be used in various applications where reliable timekeeping is essential. It is particularly useful in:

• Embedded systems
• Industrial control and automation
• Utility metering
• Security systems
• Network servers and telecommunications

Technical Specifications

• Voltage Range: 4.5V to 5.5V
• Operating Temperature: 0°C to +70°C
• Package Type: 28-pin EDIP

With its robust feature set and Maxim Integrated's reputation for quality, the DS1743E-5 is a reliable choice for designers looking to incorporate a secure and durable timekeeping solution into their systems.