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Name: M41T81MX6
Brand: STMicroelectronics
SKU: M41T81MX6
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics M41T81MX6

Part No.:: M41T81MX6

Manufacturer:: STMicroelectronics

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: M41T81MX6.pdf

Description:: IC RTC CLK/CALENDAR I2C 28-SOIC

In Stock:: 3551

Quantity:: Add To Cart

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M41T81MX6 Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, Watchdog Timer
MemorySize:
-
TimeFormat:
HH:MM:SS:hh (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
2V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 3.5V
Current-Timekeeping(Max):
100µA @ 2V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

M41T81MX6 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M41T81MX6 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for M41T81MX6 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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M41T81MX6 information

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Basic introduction and simple engineering application of M41T81MX6

M41T81MX6 is a highly accurate real-time clock (RTC) module commonly used in embedded systems for timekeeping and timestamping applications. It integrates a temperature-compensated crystal oscillator (TCXO) and a 64-byte EEPROM for storing configuration data.

Application Scenario:

In a data logging project, M41T81MX6 can be utilized to provide accurate timestamp information for recorded data, ensuring precise time tracking for analysis and synchronization purposes.

Circuit Design:

To integrate M41T81MX6 into a data logging project, follow these steps:

1. Module Connection:

Connect M41T81MX6 to the microcontroller board using the Inter-Integrated Circuit (I2C) interface. Ensure proper pull-up resistors are connected to the SDA and SCL lines for reliable communication.

2. Power Supply:

Provide a stable power supply voltage (typically 3.3V or 5V) to M41T81MX6 VCC pin. Ensure proper decoupling capacitors are used to filter out noise and maintain stable voltage levels.

3. I2C Communication:

Configure the microcontroller to communicate with M41T81MX6 via the I2C protocol. Implement read and write routines to access the RTC registers and EEPROM memory.

4. Timekeeping:

Initialize the RTC module with the current date and time upon system startup. Continuously update the RTC registers to keep track of elapsed time. Utilize the built-in temperature compensation feature for accurate timekeeping.

5. Data Logging:

Record sensor data along with the timestamp obtained from M41T81MX6. Store the data in non-volatile memory, such as an external EEPROM or flash memory, for persistent storage.

Experiment Steps:

Step 1: Module Connection
Connect M41T81MX6 to an Arduino Uno board using the I2C interface. Connect SDA to A4 and SCL to A5 pins on the Arduino board. Ensure proper pull-up resistors (4.7kΩ) are connected between SDA/SCL and the 5V power supply.

Step 2: Power Supply
Connect the VCC pin of M41T81MX6 to the 5V pin on the Arduino board. Connect GND to the ground pin on the Arduino board.

Step 3: I2C Communication
Upload the I2C scanner sketch to the Arduino board to detect the M41T81MX6 module. Open the Arduino IDE, navigate to File > Examples > Wire > I2CScanner, and upload the sketch to the board. Open the Serial Monitor to view the detected I2C address of M41T81MX6.

Step 4: Timekeeping
Write a sketch to initialize the RTC module with the current date and time. Continuously read the time registers from M41T81MX6 and display the timestamp on the serial monitor. Verify the accuracy of the timekeeping by comparing it with a reliable time source, such as an online clock.

Step 5: Data Logging
Expand the sketch to incorporate data logging functionality. Read sensor data from analog or digital sensors connected to the Arduino board. Record the sensor readings along with the timestamp obtained from M41T81MX6. Store the data in the EEPROM or a microSD card for further analysis.

Considerations:

When using M41T81MX6 in a project, consider the following:

- Backup Power Supply: Implement a backup power source, such as a coin cell battery, to maintain RTC operation during main power loss.

- Data Integrity: Ensure proper error-checking mechanisms are in place to verify the integrity of stored data and prevent corruption.

- Calibration: Periodically calibrate the RTC module to compensate for any drift in timekeeping accuracy.

- Interference: Minimize electromagnetic interference near the RTC module to maintain accurate timekeeping performance.

- Test and Validation: Thoroughly test the system to verify the functionality and accuracy of M41T81MX6 in real-world conditions.

M41T81MX6 FAQ

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6. What is the process for return or replacement of M41T81MX6?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the M41T81MX6 we delivered, we will accept the replacement or return of the M41T81MX6 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of M41T81MX6.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations