What is the Additional Feature ?

Name: M41T81M6E
Brand: STMicroelectronics
SKU: M41T81M6E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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

Cart ( )

lmages are for reference only See Product Specifications

STMicroelectronics M41T81M6E

Part No.:: M41T81M6E

Manufacturer:: STMicroelectronics

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

Datasheet:: M41T81M6E.pdf

Description:: IC RTC CLK/CALENDAR I2C 8-SOIC

In Stock:: 2068

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

M41T81M6E 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

M41T81M6E this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M41T81M6E 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 M41T81M6E to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

M41T81M6E information

Views：

Basic introduction and simple engineering application of M41T81M6E

M41T81M6E is a real-time clock (RTC) module manufactured by STMicroelectronics, offering accurate timekeeping and calendar functions. It features an integrated temperature-compensated crystal oscillator (TCXO) for precise timekeeping even under varying environmental conditions.

Introduction:

The M41T81M6E RTC module is commonly used in electronic devices that require accurate timekeeping, such as digital clocks, data loggers, and industrial automation systems. It communicates with the host microcontroller via a serial interface, typically I2C or SPI, providing easy integration into various projects.

Application Scenario:

In a digital clock project, M41T81M6E can be utilized to maintain accurate timekeeping, eliminating the need for manual time adjustments. The RTC module ensures that the clock remains synchronized even in the absence of external power, thanks to its backup battery support.

Circuit Design:

To integrate M41T81M6E into a digital clock project, follow these steps:

1. RTC Module Connection:

Connect the M41T81M6E RTC module to the host microcontroller using the appropriate serial interface (I2C or SPI). Ensure proper wiring and voltage levels compatibility between the RTC module and the microcontroller.

2. Timekeeping:

Utilize the RTC functions of M41T81M6E to read and set the current time and date. Implement firmware algorithms to update the clock display based on the data received from the RTC module.

3. Backup Battery:

Connect a backup battery to the RTC module to ensure continuous timekeeping in case of power loss. Choose a battery with appropriate capacity and voltage rating to meet the backup power requirements.

4. User Interface:

Integrate a display interface, such as an LCD or LED display, to visualize the current time and date. Implement firmware routines to update the display with the data obtained from the M41T81M6E RTC module.

5. Alarm Functionality:

Utilize the alarm features of M41T81M6E to trigger specific actions or events at predefined times. Implement firmware routines to configure and handle alarm interrupts, providing additional functionality to the digital clock project.

Experiment:

To understand the functionality of M41T81M6E RTC module, perform the following experiment:

1. Hardware Setup:

Connect the M41T81M6E RTC module to a development board or microcontroller platform using the I2C or SPI interface. Ensure proper connections and power supply to the RTC module.

2. Software Implementation:

Write a simple firmware program to initialize the RTC module, set the current time and date, and read the time registers periodically. Display the time and date information on a connected display interface, such as an LCD screen or serial monitor.

3. Test and Observation:

Run the firmware program and observe the behavior of the RTC module. Verify that the timekeeping accuracy meets the specifications provided by the manufacturer. Test the backup battery functionality by disconnecting the main power supply and ensuring that the RTC continues to keep time accurately.

4. Expansion:

Expand the experiment by adding additional features, such as alarm functionality or temperature compensation. Modify the firmware program accordingly and test the new functionalities to understand the versatility of the M41T81M6E RTC module.

Conclusion:

In conclusion, the M41T81M6E RTC module offers accurate timekeeping and calendar functions, making it ideal for various electronic projects requiring precise time management. By integrating the RTC module into a digital clock project and performing experiments to understand its functionality, students and beginners can gain valuable insights into real-world applications of embedded systems components.

M41T81M6E FAQ

1. How to order M41T81M6E on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that M41T81M6E is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the M41T81M6E. All suppliers must pass our qualification reviews before they can publish their products including M41T81M6E on icwhale.com; we pay more attention to the channels and quality of M41T81M6E products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the M41T81M6E price and inventory displayed accurate?

The price and inventory of M41T81M6E fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of M41T81M6E?

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 M41T81M6E we delivered, we will accept the replacement or return of the M41T81M6E 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 M41T81M6E.

(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