Overview
The M41T0M6F is a low-power serial real-time clock (RTC) produced by STMicroelectronics. It features a built-in 32.768 kHz oscillator that is external crystal controlled, ensuring high accuracy and stability. This device is designed for applications requiring precise timekeeping and is particularly suited for industrial environments due to its wide operating temperature range and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Min | 2.0 V |
| Supply Voltage Max | 5.5 V |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Oscillator Frequency | 32.768 kHz |
| Package Type | SO-8 |
| Packing Type | Tape And Reel |
| RoHS Compliance | Ecopack3 |
| Grade | Industrial |
| Standby Current | 0.9 µA (typ at 3 V) |
Key Features
- Low power consumption with a standby current of 0.9 µA (typ at 3 V)
- Serial interface supporting I2C bus (400 kHz protocol)
- Eight registers for clock/calendar function in binary coded decimal (BCD) format
- Counters for seconds, minutes, hours, day, date, month, years, and century
- Oscillator stop detection and special software programmable output
- Operating voltage range of 2.0 to 5.5 V
- Wide operating temperature range of -40°C to 85°C
Applications
The M41T0M6F is suitable for a variety of applications that require accurate timekeeping, including:
- Industrial control systems
- Automotive systems
- Medical devices
- Consumer electronics
- IoT devices
Q & A
- What is the operating voltage range of the M41T0M6F?
The operating voltage range is from 2.0 V to 5.5 V. - What is the typical standby current of the M41T0M6F at 3 V?
The typical standby current is 0.9 µA. - What type of interface does the M41T0M6F support?
The M41T0M6F supports an I2C bus interface with a 400 kHz protocol. - What is the frequency of the built-in oscillator?
The frequency of the built-in oscillator is 32.768 kHz. - What is the package type of the M41T0M6F?
The package type is SO-8. - Is the M41T0M6F RoHS compliant?
Yes, the M41T0M6F is RoHS compliant with Ecopack3. - What is the operating temperature range of the M41T0M6F?
The operating temperature range is from -40°C to 85°C. - How many registers are used for the clock/calendar function?
- What format are the clock/calendar registers configured in?
The registers are configured in binary coded decimal (BCD) format.- What is the purpose of the oscillator stop detection feature?
The oscillator stop detection feature monitors the clock operation and can stop the oscillator to reduce current drain when not in use. - What format are the clock/calendar registers configured in?
