M41T11M6F
Real Time Clock Serial 512 (64x8)M41T11M6F
Real Time Clock Serial 512 (64x8)
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Manufacturer Part # : M41T11M6F
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Package/Case: SOIC-8
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Brand: STMicroelectronics NV
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Product Categories : Real Time Clocks
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Series : M41T11
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.






Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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Cut Tape

Tube or Tray
M41T11M6F DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
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M41T11M6F Details
The M41T11M6F is a serial real-time clock (RTC) from STMicroelectronics, designed for reliable time-keeping in industrial systems. This device features a battery backup, I2C interface, and automatic leap year compensation, making it suitable for applications requiring accurate time and date keeping.
Key Features
- Serial Real-Time Clock (RTC): Provides accurate time and date keeping with a battery backup.
- I2C Interface: Enables communication with microcontrollers and other devices.
- Automatic Leap Year Compensation: Ensures accurate calendar calculations.
- Low Power Consumption: Designed for low power operation, making it suitable for battery-powered applications.
- Operating Temperature Range: Operates over a wide temperature range from -40°C to 85°C.
Applications
- Real-Time Clock/Calendar in Industrial Systems: Ideal for industrial systems requiring accurate time and date keeping.
- Time-Keeping in Automotive Electronics: Suitable for automotive applications where reliable time-keeping is critical.
- Data Storage in Medical Devices: Used in medical devices for efficient data storage and retrieval.
- System Controller in Communication Equipment: Enables accurate timing and control in communication equipment.
- Security System in Household Appliances: Provides reliable time-keeping for security systems in household appliances.
Where to Use
The M41T11M6F is suitable for a wide range of applications, including industrial control systems, automotive electronics, medical devices, communication equipment, and household appliances.
How to Use
To use the M41T11M6F, connect it to a microcontroller or other device via an I2C interface. Configure the device for your specific application requirements, and ensure proper power supply and operating conditions.
Application Circuit
The application circuit diagram for the M41T11M6F illustrates how to connect the RTC to a microcontroller or other device. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable time-keeping.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- M41T59M6F: A similar serial RTC device from STMicroelectronics offering comparable features and performance.
Complementary
The M41T11M6F can be complemented by other STMicroelectronics RTC devices, such as the M41T60M6F, which offers additional features like higher accuracy and enhanced power-saving modes.
When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.
Frequently Asked Questions
Q: What is the accuracy of the M41T11M6F?
A: The M41T11M6F has an accuracy of ±2 ppm.
Q: Can the M41T11M6F be used in automotive applications?
A: Yes, the M41T11M6F is suitable for automotive applications, offering reliable time-keeping and resistance to environmental stressors.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Operating Range | Industrial | Supply Voltage Min Volt | 2.0 |
Supply Voltage Max Volt | 5.5 | Operating Temp Min Celsius | -40.0 |
Operating Temp Max Celsius | 85.0 | ECCN US | EAR99 |
ECCN EU | NEC | Packing Type | Tape And Reel |
RoHs compliant | Ecopack3 | Grade | Industrial |
Package Name | SO-8 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is M41T11M6F?
The M41T11M6F is a serial real-time clock (RTC) with a built-in 32.768 kHz oscillator, designed by STMicroelectronics. It provides timekeeping and calendar functions, making it suitable for applications requiring accurate time tracking, such as data loggers, utility meters, and IoT devices.
How Does M41T11M6F Work?
The M41T11M6F operates as a real-time clock by counting seconds, minutes, hours, and dates based on the 32.768 kHz oscillator frequency. It communicates with a microcontroller or system through a serial interface, allowing for time setting, reading, and alarm functions. The RTC features non-volatile memory to retain time information during power loss.
How Many Pins does M41T11M6F have and What are the Functions of the Pinout Configuration?
The M41T11M6F is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- SDA: Serial data input/output for communication.
- SCL: Serial clock input for synchronization.
- IRQ: Interrupt output pin for signaling alarms or events.
What are the Pros and Cons of M41T11M6F?
Pros:
- Integrated Oscillator: Includes a built-in 32.768 kHz oscillator for timekeeping accuracy.
- Non-Volatile Memory: Retains time data during power loss, ensuring data integrity.
- Serial Interface: Allows for easy integration with microcontrollers and systems.
- Low Power Consumption: Operates with low power, suitable for battery-powered devices.
- Compact Size: The 8-pin SOIC package enables space-efficient designs.
Cons:
- Limited Features: May lack advanced functionalities compared to more complex RTCs.
- External Crystal: Requires an external 32.768 kHz crystal for operation, adding components.
- Accuracy: While precise, may not match the accuracy of specialized high-end RTCs.
Are There Any Equivalents/Alternatives to M41T11M6F for Recommendation?
- The DS1307 from Maxim Integrated is a popular alternative for real-time clock applications.
- Alternatives to the M41T11M6F include the MCP7940N from Microchip Technology and the PCF85263A from NXP Semiconductors.
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Price details
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