Manufacturer Part Number
M41T93RMY6F
Manufacturer
STMicroelectronics
Introduction
The M41T93RMY6F is a serial real-time clock (RTC) with a built-in 32.768 kHz oscillator (with an integrated crystal) providing a host of features including alarm, calendar, and watchdog timer functionalities.
Product Features and Performance
Clock/Calendar functionality with HH:MM:SS:hh format
Alarm with interrupt function
Leap year compensation
Square Wave Output for external device synchronization
SRAM for data storage
Integrated Watchdog Timer for system resets
Low timekeeping current of maximum 10µA at 5.5V
Product Advantages
High integration with onboard oscillator and crystal reduces external components.
Extended operating voltage range (2.7V to 5.5V) supports a wide array of applications.
Low current consumption enhances battery life for timekeeping.
Wide operating temperature range (-40°C to 85°C) suitable for various environments.
Serial Peripheral Interface (SPI) for easy communication with microcontrollers.
Key Technical Parameters
Memory Size: 7B SRAM
Time Format: 24-hour
Date Format: YY-MM-DD-dd
SPI Interface for communication
Voltage - Supply: 2.7V to 5.5V
Voltage - Supply, Battery: 1.8V to 5.5V
Current - Timekeeping (Max): 10µA @ 5.5V
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Integrated crystal for stable timekeeping
Designed for reliability and long-term stability
Complies with standard industry safety regulations for electronic components
Compatibility
The SPI interface ensures compatibility with a wide range of microcontrollers and systems.
Surface Mount 18-SOX, 18-SOIC package compatible with standard PCB manufacturing processes.
Application Areas
Consumer Electronics
Telecommunications
Networking
Industrial Control Systems
Product Lifecycle
Active Product Status indicating ongoing production and support
Long-term availability is expected with potential for future upgrades.
Several Key Reasons to Choose This Product
Integrated features (alarm, calendar, watchdog) minimize the need for additional components.
Flexible power supply options to accommodate varying designs.
Extensive operating conditions meet diverse environmental demands.
Low power consumption ideal for battery-powered applications.
Robust serial interface with SPI compatibility for easy integration.