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Name: M41ST84WMQ6F
Brand: STMicroelectronics
SKU: M41ST84WMQ6F
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 M41ST84WMQ6F

Part No.:: M41ST84WMQ6F

Manufacturer:: STMicroelectronics

Package:: 16-SOIC (0.154, 3.90mm Width)

Datasheet:: M41ST84WMQ6F.pdf

Description:: IC RTC CLK/CALENDAR I2C 16-SOIC

In Stock:: 2726

Quantity:: Add To Cart

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M41ST84WMQ6F Specifications

Package/Case:
16-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer
MemorySize:
44B
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 ~ 3.5V
Current-Timekeeping(Max):
0.5mA @ 2.7V ~ 3.6V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

M41ST84WMQ6F this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M41ST84WMQ6F 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 M41ST84WMQ6F 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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M41ST84WMQ6F information

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Basic introduction and simple engineering application of M41ST84WMQ6F

M41ST84WMQ6F is a real-time clock (RTC) chip manufactured by STMicroelectronics, providing accurate timekeeping functionality for a wide range of applications. It features a built-in temperature-compensated crystal oscillator (TCXO) and battery backup, ensuring reliable operation even during power loss.

Application Scenario:

In electronic devices and systems requiring precise timekeeping, M41ST84WMQ6F can be utilized to maintain accurate time and date information. This includes applications such as data logging systems, industrial automation, and consumer electronics.

Circuit Design:

To integrate M41ST84WMQ6F into a simple project, follow these steps:

1. Component Connection:

Connect M41ST84WMQ6F to the microcontroller or host system using the I2C or SPI interface. Ensure proper wiring and configure the communication protocol according to the datasheet specifications.

2. Power Supply:

Provide power to M41ST84WMQ6F through the VCC pin, typically ranging from 2.7V to 5.5V. Ensure stable power delivery and consider using a voltage regulator if necessary to meet the chip's voltage requirements.

3. Battery Backup:

Connect a backup battery, such as a coin cell battery, to the VBAT pin of M41ST84WMQ6F to maintain timekeeping functionality during power loss. Ensure the battery is properly installed and meets the voltage and capacity requirements specified in the datasheet.

4. Initialization:

Initialize M41ST84WMQ6F by configuring the time and date registers according to the current date and time. Use the provided software libraries or write custom initialization routines to set the RTC parameters.

5. Timekeeping:

Utilize M41ST84WMQ6F to retrieve accurate time and date information for various system functions. Implement firmware routines to read the RTC registers and update system timestamps as needed.

Experiment:

To experiment with M41ST84WMQ6F functionality, try the following:

1. Basic Time Display: Connect M41ST84WMQ6F to a microcontroller with an LCD display. Write firmware to read the RTC registers and display the current time and date on the LCD screen.

2. Alarm Functionality: Implement an alarm feature using M41ST84WMQ6F to trigger an external event at a specified time. Configure the alarm registers and use interrupt routines to handle alarm events.

3. Power Loss Simulation: Simulate power loss by disconnecting the main power supply and verify that M41ST84WMQ6F maintains accurate timekeeping using the backup battery. Monitor the RTC output during power transitions to ensure seamless operation.

4. Temperature Compensation: Measure the temperature around M41ST84WMQ6F and observe how the built-in TCXO compensates for temperature variations to maintain accurate timekeeping.

5. Serial Communication: Interface M41ST84WMQ6F with a PC or another microcontroller using UART or SPI communication. Develop software to read and synchronize time data between the RTC chip and external devices.

Considerations:

When working with M41ST84WMQ6F, consider the following factors:

- Backup Battery Life: Choose a battery with sufficient capacity to maintain RTC operation for an extended period during power loss.

- Communication Protocol: Ensure compatibility between the host system and M41ST84WMQ6F regarding the communication protocol (I2C or SPI) and address configuration.

- Temperature Range: Verify that the operating temperature range of M41ST84WMQ6F meets the environmental conditions of the intended application.

- Accuracy Requirements: Assess the required accuracy of timekeeping for the specific application and calibrate M41ST84WMQ6F if necessary to meet those requirements.

- Firmware Optimization: Optimize firmware routines to minimize power consumption and maximize the efficiency of M41ST84WMQ6F utilization within the system.

M41ST84WMQ6F FAQ

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3. Are the M41ST84WMQ6F price and inventory displayed accurate?

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6. What is the process for return or replacement of M41ST84WMQ6F?

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 M41ST84WMQ6F we delivered, we will accept the replacement or return of the M41ST84WMQ6F 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 M41ST84WMQ6F.

(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