The Maxim Integrated DS1323 is a high-precision, full-featured 3V Timekeeping RAM designed to provide a reliable non-volatile memory with a built-in timekeeper. This product is ideal for applications that require accurate timekeeping along with the convenience of battery-backed SRAM in a single package. The DS1323 is particularly well-suited for use in embedded systems, industrial controllers, and other time-sensitive applications where maintaining data integrity and accurate time tracking is crucial.

Key Features

• Integrated Timekeeper: The DS1323 features a fully integrated real-time clock/calendar with an accuracy of ±1 minute per month at room temperature, ensuring precise timekeeping for critical applications.
• Non-Volatile RAM: It includes 256k x 8 bits of non-volatile static RAM, providing a robust storage solution that retains data even when power is lost.
• Automatic Battery Switching: The device includes a built-in power-fail circuit that automatically switches to the backup battery when the main power supply drops below a factory-set threshold, ensuring uninterrupted operation.
• Low Power Consumption: Designed with energy efficiency in mind, the DS1323 operates with a very low current, making it suitable for battery-powered applications.
• Programmable Alarm: An alarm function is programmable to the second, minute, hour, day of the week, day, or month, allowing for versatile scheduling and event management.

Applications

The DS1323 is versatile and can be used in a variety of applications, including:

• Embedded Systems
• Utility Meters
• POS Terminals
• Industrial Controllers
• Medical Equipment
• Security Systems

Technical Specifications

Some of the technical specifications of the DS1323 include:

• Operating Voltage: 2.97V to 3.63V
• Battery Backup Voltage: 2.5V to 3.7V
• Operating Temperature: -40°C to +85°C
• Package: 28-Pin EDIP or 32-Pin TSOC

With its combination of non-volatile RAM and integrated timekeeping, the Maxim Integrated DS1323 is a reliable and efficient choice for maintaining accurate time and data in a wide range of applications.