The M41ST87WMX6TR is a highly integrated, low-power serial real-time clock (RTC) with a battery-backed SRAM and an embedded crystal. Manufactured by STMicroelectronics, a global leader in semiconductor solutions, this device is designed to provide precise time tracking and data retention even when the main power is lost.

Key Features

• Real-Time Clock: Counts seconds, minutes, hours, date, month, day of the week, and year with leap-year compensation valid up to 2099.
• Serial Interface: Features a serial I2C interface for easy integration with a wide range of microcontrollers.
• Battery-Backed SRAM: Includes 44 bytes of battery-backed non-volatile SRAM, ensuring data retention during power loss.
• Integrated Crystal: Comes with an embedded 32.768 kHz quartz crystal that simplifies design and saves board space.
• Alarm Function: Programmable alarm function allows the device to wake up a system at a predetermined time.
• Watchdog Timer: An integrated watchdog timer can be used for system reset in case of a software lock-up.

Applications

The M41ST87WMX6TR is ideally suited for a variety of applications that require accurate timekeeping and data storage, such as:

• Industrial Control Systems
• Utility Meters
• POS Terminals
• Consumer Electronics

Technical Specifications

The M41ST87WMX6TR from STMicroelectronics is a reliable and versatile RTC component that brings together a host of features to maintain accurate time and data across a range of applications. Its integration of a crystal resonator, alarm, watchdog timer, and battery-backed SRAM into a single package makes it a compact and efficient choice for designers looking to optimize their systems for both performance and space.