The DS1553W-120+ is a full-featured timekeeping RAM that combines a binary counter and 64kB of static RAM, integrated together to provide both a durable real-time clock (RTC) and memory storage in a single package. This product is designed and manufactured by Maxim Integrated, a company known for their reliable and high-quality integrated circuits.

The DS1553W-120+ operates with a voltage range of 2.7V to 5.5V, making it suitable for a wide array of applications, including telecommunications, industrial systems, and embedded electronics. Its timekeeping function is maintained for more than 10 years at standard temperatures with the help of an onboard lithium battery, ensuring a long-lasting and stable operation.

Key Features

• Real-Time Clock: Keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years.
• Memory: 64kB of static RAM provides ample storage for data logging and other memory-intensive tasks.
• Power Management: Features a built-in power-fail circuit that automatically switches to the battery when power is interrupted, ensuring seamless timekeeping and data retention.
• Programmable Alarm: The DS1553W-120+ includes a programmable alarm function that can be set to trigger on a specific date, day of the week, or after a specified time interval.
• Watchdog Timer: A versatile watchdog timer is included to help reset a system if it becomes unresponsive.
• Temperature Range: Operates effectively across a wide temperature range, making it suitable for various environments.
• Package: Encased in a durable, surface-mountable module for easy integration into a variety of designs.

Applications

• Embedded Systems
• Industrial Control Systems
• Telecommunication Infrastructure
• Network Hardware
• Utility Power Meters

The DS1553W-120+ is a versatile, high-quality timekeeping RAM that offers the reliability and performance expected from Maxim Integrated products. Its robust feature set and long-term battery-backed operation make it an excellent choice for designers looking for a dependable RTC and memory solution.