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Name: M41T256YMT7F
Brand: STMicroelectronics
SKU: M41T256YMT7F
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 M41T256YMT7F

Part No.:: M41T256YMT7F

Manufacturer:: STMicroelectronics

Package:: 44-BSOP (0.337, 8.56mm Width)

Datasheet:: M41T256YMT7F.pdf

Description:: IC RTC CLK/CALENDAR I2C 44-SOP

In Stock:: 2095

Quantity:: Add To Cart

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M41T256YMT7F Specifications

Package/Case:
44-BSOP (0.337, 8.56mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT)
Series:
Timekeeper®
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM
MemorySize:
32KB
TimeFormat:
HH:MM:SS:hh (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 3.5V
Current-Timekeeping(Max):
2.5mA @ 4.5V ~ 5.5V
OperatingTemperature:
-25°C ~ 70°C
MountingType:
Surface Mount

M41T256YMT7F this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M41T256YMT7F 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 M41T256YMT7F 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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M41T256YMT7F information

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Basic introduction and simple engineering application of M41T256YMT7F

M41T256YMT7F is a low-power, serial real-time clock (RTC) chip manufactured by STMicroelectronics. It offers accurate timekeeping and calendar functions, making it suitable for a wide range of applications, including consumer electronics, industrial equipment, and automotive systems.

Basic Features:

The M41T256YMT7F RTC chip integrates a built-in 32.768 kHz quartz crystal oscillator, which provides precise timing reference for maintaining accurate time and calendar information. It operates over a wide voltage range and is designed to consume minimal power, making it ideal for battery-powered devices.

Application Scenario:

In a digital alarm clock project, the M41T256YMT7F RTC chip can be utilized to keep track of time and trigger alarm events at specific times of the day. Let's explore how to incorporate this chip into a simple alarm clock circuit:

Circuit Design:

To build a digital alarm clock using the M41T256YMT7F RTC chip, follow these steps:

1. RTC Chip Integration:

Connect the M41T256YMT7F chip to the microcontroller board using the I2C or SPI interface. Ensure proper wiring and configure the communication protocol settings according to the datasheet.

2. Time Setting:

Implement firmware to communicate with the RTC chip and set the current time and date. Utilize the provided libraries or write custom functions to access the chip's registers and update the time information.

3. Alarm Configuration:

Define alarm parameters, such as the desired alarm time and date, using the RTC chip's alarm registers. Write firmware routines to enable and configure the alarm functionality based on user inputs.

4. User Interface:

Design a user interface using buttons and an LCD display to allow users to set the alarm time, enable/disable alarms, and view current time and alarm status. Interface the microcontroller with these components for user interaction.

5. Alarm Trigger:

Implement interrupt handling routines in the firmware to respond to alarm events triggered by the RTC chip. Upon alarm activation, generate sound output using a buzzer or activate external peripherals to indicate the alarm event.

Considerations:

When designing the alarm clock circuit, consider the following aspects:

- Power Management: Implement power-saving techniques to minimize energy consumption and prolong battery life, especially in portable applications.

- Alarm Accuracy: Ensure that the RTC chip's accuracy meets the requirements for reliable alarm triggering and timekeeping accuracy.

- User Experience: Design an intuitive user interface with clear instructions and feedback to enhance the user experience and usability of the alarm clock.

- Error Handling: Implement error-checking mechanisms in the firmware to handle communication errors or unexpected events gracefully, ensuring the alarm clock's robustness and reliability.

- Customization: Provide options for users to customize alarm settings, such as alarm tone selection, snooze duration, and repeat intervals, to cater to individual preferences.

M41T256YMT7F FAQ

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3. Are the M41T256YMT7F price and inventory displayed accurate?

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6. What is the process for return or replacement of M41T256YMT7F?

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 M41T256YMT7F we delivered, we will accept the replacement or return of the M41T256YMT7F 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 M41T256YMT7F.

(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