Maxim Integrated DS1743-70: High-Capacity NV SRAM with Embedded RTC

The DS1743-70 is a versatile memory solution from Maxim Integrated that combines a full-featured Real-Time Clock (RTC) with a high-capacity Non-Volatile (NV) Static RAM. This product is designed to retain data and maintain accurate timekeeping in the absence of power, making it ideal for a wide range of applications that require reliable data storage and time management.

Key Features:

• Integrated Memory: The DS1743-70 offers 64K x 8 of non-volatile static RAM, ensuring data preservation without battery dependency during power loss.
• Real-Time Clock: An embedded RTC provides timekeeping with seconds, minutes, hours, day, date, month, and year information. The clock is accurate over the full industrial temperature range.
• Automatic Battery Switching: The device includes an integrated lithium energy source and automatic write-protection to prevent data corruption during power cycling or failure.
• Low Power Consumption: Designed for energy efficiency, the DS1743-70 consumes minimal power, which extends the life of the onboard battery.
• Y2K Compliant: The RTC is fully compliant with year 2000 requirements and also supports leap year corrections.
• Industry-Standard Packaging: It is available in a 32-pin JEDEC standard package, compatible with common socket specifications and easy to integrate into existing designs.

Applications:

The DS1743-70 is suitable for a broad array of applications, including but not limited to:

• Industrial systems
• Embedded computers
• Communication infrastructure
• POS terminals
• Network servers

Technical Specifications:

• Power Supply Voltage: 4.5V to 5.5V
• Operating Temperature: -40°C to +70°C
• Package Type: 32-pin EDIP (JEDEC standard)

With its robust design, the DS1743-70 from Maxim Integrated ensures long-term reliability for critical data storage and timekeeping functions, making it a trusted component for industrial and commercial electronic systems.