The DS1554WP-120IND+ is a robust, full-function real-time clock (RTC) with a nonvolatile (NV) RAM controller from Maxim Integrated. Designed for applications that require long-term data retention and precise timekeeping, it is an ideal component for industrial systems, servers, network infrastructure, and other embedded applications.

Key Features

• Integrated Power-Fail Write-Protection: The device includes an automatic power-fail chip deselect and write-protection feature, ensuring data integrity during power loss.
• Nonvolatile Timekeeping: Time is maintained in binary format, with the seconds, minutes, hours, day, date, month, and year stored in nonvolatile memory.
• Watchdog Timer: A programmable watchdog timer is provided for system reset and recovery.
• Large NV SRAM: The device features 512k NV SRAM, which retains data without a battery during power loss.
• Industrial Temperature Range: It operates reliably across an industrial temperature range of -40°C to +85°C, making it suitable for challenging environments.
• Surface-Mount Package: The DS1554WP-120IND+ is offered in a 34-Pin PowerCap Module (PCM), a surface-mount package that simplifies board design and manufacturing.

Applications

• Industrial/Process Control
• Telecommunications
• Networking Equipment
• Embedded Computing

Technical Specifications

The DS1554WP-120IND+ provides a multitude of technical features that ensure reliable and secure timekeeping and data storage:

• RTC Accuracy: ±2 minutes/month at 25°C
• Battery: Integrated lithium energy source
• Memory: 512k x 8 nonvolatile SRAM
• Interface: Multiplexed bus for direct connection to a microprocessor bus
• Supply Voltage: 4.5V to 5.5V
• Power Dissipation: Low power consumption

With its combination of durability, precision, and data security, the DS1554WP-120IND+ from Maxim Integrated is a top-tier choice for maintaining critical data and time in your systems.