What is the Additional Feature ?

Name: M41ST87WMX6
Brand: STMicroelectronics
SKU: M41ST87WMX6
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 M41ST87WMX6

Part No.:: M41ST87WMX6

Manufacturer:: STMicroelectronics

Package:: 28-SOIC (0.295, 7.50mm Width)

Datasheet:: M41ST87WMX6.pdf

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

In Stock:: 2725

Quantity:: Add To Cart

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M41ST87WMX6 Specifications

Package/Case:
28-SOIC (0.295, 7.50mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer
MemorySize:
128B
TimeFormat:
HH:MM:SS:hh (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
2.7V ~ 3.6V
Voltage-SupplyBattery:
2.5V ~ 3.6V
Current-Timekeeping(Max):
0.5mA @ 2.7V ~ 3.6V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

M41ST87WMX6 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M41ST87WMX6 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 M41ST87WMX6 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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M41ST87WMX6 information

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Basic introduction and simple engineering application of M41ST87WMX6

M41ST87WMX6 is a real-time clock (RTC) chip manufactured by STMicroelectronics, designed to provide accurate timekeeping functionality for a variety of applications, including embedded systems, consumer electronics, and industrial equipment. It features a built-in lithium battery backup, which ensures reliable timekeeping even during power outages.

Application Scenario:

In a home automation project, M41ST87WMX6 can be utilized to maintain accurate timekeeping for scheduling tasks, such as turning on lights or controlling temperature settings based on specific times of the day.

Circuit Design:

To incorporate M41ST87WMX6 into a home automation project, follow these steps:

1. RTC Connection:

Connect the necessary pins of M41ST87WMX6 to the microcontroller's communication interfaces, such as I2C or SPI, for communication. Ensure proper pull-up resistors are connected to the communication lines.

2. Power Supply:

Provide a stable power supply to M41ST87WMX6 and ensure proper decoupling capacitors are used to filter out any noise from the power source.

3. Crystal Oscillator:

Connect an external crystal oscillator to the designated pins of M41ST87WMX6 to ensure accurate timekeeping. The crystal oscillator frequency typically ranges from 32.768 kHz.

4. Backup Battery:

Insert a lithium coin cell battery into the battery holder of M41ST87WMX6 to provide backup power. Ensure the polarity of the battery is correctly aligned.

5. Initialization:

Write initialization code in the microcontroller firmware to configure M41ST87WMX6 settings, such as time and date initialization, alarm configuration, and periodic time updates.

6. User Interface Integration:

Integrate a user interface, such as an LCD display or LEDs, to display the current time and any scheduled tasks programmed using M41ST87WMX6.

7. Task Scheduling:

Implement firmware algorithms to schedule tasks based on the real-time clock provided by M41ST87WMX6. For example, turning on lights at specific times or adjusting thermostat settings.

Considerations:

When designing the circuit, consider the following:

- Low Power Consumption: Optimize the firmware to minimize power consumption, especially when running on battery backup.

- Error Handling: Implement error handling routines to handle communication errors or clock initialization failures gracefully.

- Time Accuracy: Periodically synchronize the real-time clock with an external time source, such as a network time protocol (NTP) server, to maintain accurate timekeeping.

- User Interface Feedback: Provide feedback to the user through the interface about the status of scheduled tasks and any errors encountered during operation.

- Test and Debug: Thoroughly test the system to ensure proper functionality under various operating conditions, including power loss scenarios and extreme temperatures.

M41ST87WMX6 FAQ

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3. Are the M41ST87WMX6 price and inventory displayed accurate?

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6. What is the process for return or replacement of M41ST87WMX6?

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 M41ST87WMX6 we delivered, we will accept the replacement or return of the M41ST87WMX6 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 M41ST87WMX6.

(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