STMicroelectronics

M41T93SQA6F

M41T93SQA6F Description

The M41T93SQA6F from STMicroelectronics is a high-performance SPI-interfaced real-time clock/calendar (RTC) IC designed for precision timekeeping in embedded systems. Operating within a 3V to 5.5V supply range, it features ultra-low power consumption, drawing just 10µA (max) at 5.5V, making it ideal for battery-backed applications. The device integrates 7 bytes of SRAM for data storage and supports a 24-hour time format (HH:MM:SS:hh) with leap year compensation. Its compact 16-QFN package and surface-mount design ensure space efficiency in modern electronics.

M41T93SQA6F Features

• SPI Interface: Enables seamless communication with microcontrollers.
• Advanced Timekeeping: Includes alarm, leap year calculation, and square wave output for system synchronization.
• Integrated SRAM & Watchdog Timer: Enhances system reliability and fault recovery.
• Wide Voltage Range: Supports 1.8V to 5.5V battery backup, ensuring data retention during power loss.
• Low Power Consumption: 10µA (max) timekeeping current extends battery life.
• Robust Packaging: Tape & Reel (TR) delivery with MSL 1 (Unlimited) rating for easy assembly.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.

M41T93SQA6F Applications

• Industrial Automation: Timestamping for sensors and control systems.
• Consumer Electronics: Clocks in smart home devices, wearables, and appliances.
• Medical Devices: Precision timing for diagnostic equipment.
• Automotive Systems: Event logging and infotainment systems.
• IoT Edge Devices: Battery-powered nodes requiring reliable timekeeping.

Conclusion of M41T93SQA6F

The M41T93SQA6F stands out for its low power, high accuracy, and integrated features like SRAM and watchdog timers. Its SPI interface and wide voltage compatibility make it versatile for diverse applications, from industrial to consumer electronics. With STMicroelectronics' reliability and compliance with global standards, this RTC IC is a robust choice for designs demanding precise, energy-efficient timekeeping.