Maxim Integrated DS1743W-120IND+ Nonvolatile Timekeeping RAM

The DS1743W-120IND+ is a robust, full-featured nonvolatile timekeeping RAM module designed by Maxim Integrated to provide a reliable and durable data storage and real-time clock solution for demanding industrial applications. This high-performance component integrates a wealth of features into a compact package, ensuring seamless operation even in harsh environmental conditions.

Key Features

• Integrated Power-Fail Write Protection: The DS1743W-120IND+ includes an automatic write-protect mechanism that activates during power-fail events, safeguarding your data against unexpected power interruptions.
• Real-Time Clock (RTC): Equipped with a full-function, binary-coded decimal (BCD) clock/calendar, this module keeps precise time and date, including leap year compensation up to the year 2100.
• Nonvolatile SRAM: With 4K x 8 nonvolatile static RAM, the device offers ample storage for critical data that must be preserved during power loss.
• Industrial Temperature Range: Optimized for industrial environments, the DS1743W-120IND+ operates reliably across a wide temperature range of -40°C to +85°C.
• Battery Backup: An embedded lithium energy cell maintains the timekeeping and SRAM operation for a minimum of 10 years in the absence of external power.

Applications

The DS1743W-120IND+ is ideal for use in a variety of industrial applications where data integrity and accurate timekeeping are essential. These include:

• Utility meters
• Industrial controllers
• Telecommunications equipment
• Embedded systems
• Factory automation
• Process control systems

Technical Specifications

• Memory Size: 32Kb (4K x 8)
• Interface Type: Parallel
• Supply Voltage: 2.7V to 3.6V
• Package/Case: EDIP-28
• Mounting Type: Surface Mount

The DS1743W-120IND+ from Maxim Integrated offers a combination of nonvolatile RAM with a reliable RTC, making it an indispensable component for systems that cannot afford to lose data or time accuracy, even in the face of power outages or resets.