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Name: M41T93SQA6F
Brand: STMicroelectronics
SKU: M41T93SQA6F
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 M41T93SQA6F

Part No.:: M41T93SQA6F

Manufacturer:: STMicroelectronics

Package:: 16-VQFN Exposed Pad

Datasheet:: M41T93SQA6F.pdf

Description:: IC RTC CLK/CALENDAR SPI 16-QFN

In Stock:: 3036

Quantity:: Add To Cart

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M41T93SQA6F Specifications

Package/Case:
16-VQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer
MemorySize:
7B
TimeFormat:
HH:MM:SS:hh (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
3V ~ 5.5V
Voltage-SupplyBattery:
1.8V ~ 5.5V
Current-Timekeeping(Max):
10µA @ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

M41T93SQA6F this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M41T93SQA6F 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 M41T93SQA6F 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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M41T93SQA6F information

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Basic introduction and simple engineering application of M41T93SQA6F

M41T93SQA6F is a serial real-time clock (RTC) chip manufactured by STMicroelectronics. It is widely used in embedded systems for timekeeping applications due to its accuracy, low power consumption, and compact form factor.

Introduction:

The M41T93SQA6F RTC chip integrates a real-time clock/calendar with alarm functions and a 32.768 kHz crystal oscillator circuit. It communicates with the host microcontroller via the I2C serial interface, making it easy to interface with a wide range of microcontrollers.

Application Scenario:

In a digital clock project, M41T93SQA6F can be utilized to keep track of time accurately and trigger alarm events. Let's explore how to integrate this RTC chip into a simple digital clock circuit:

Circuit Design:

To build a digital clock using M41T93SQA6F, follow these steps:

1. RTC Connection:

Connect the M41T93SQA6F chip to the microcontroller using the I2C interface. Wire the SDA pin of the RTC to the microcontroller's SDA pin and the SCL pin to the microcontroller's SCL pin. Provide power (VCC) and ground (GND) connections accordingly.

2. Crystal Oscillator:

Connect a 32.768 kHz crystal oscillator to the RTC chip's crystal pins (XTAL1 and XTAL2) to ensure accurate timekeeping. Add load capacitors (typically 12.5 pF) between each crystal pin and ground.

3. User Interface:

Integrate a display module, such as an LCD or LED display, to show the current time read from the RTC chip. Utilize the microcontroller's GPIO pins to control the display and update it with the time data obtained from M41T93SQA6F.

4. Alarm Functionality:

Utilize the alarm features of M41T93SQA6F to trigger events at specific times. Configure the alarm registers within the RTC chip to set the desired alarm time and date. Connect output pins from the RTC chip to the microcontroller to handle alarm events.

5. Power Management:

Implement power-saving features by utilizing the low-power modes of both the RTC chip and the microcontroller. Utilize sleep modes and proper power supply management to minimize power consumption during idle periods.

Experiment Steps:

1. Connect the M41T93SQA6F chip to the microcontroller according to the datasheet pinout.

2. Write code to initialize the RTC chip and read the current time.

3. Display the time on the chosen display module.

4. Implement alarm functionality by setting an alarm time and handling alarm events in the microcontroller code.

5. Test the digital clock's functionality by verifying that it accurately displays the time and triggers alarms at the specified times.

Considerations:

When designing the digital clock circuit, consider:

- Power Supply Stability: Ensure stable power is supplied to both the RTC chip and the microcontroller to prevent timekeeping inaccuracies.

- Display Compatibility: Choose a display module that is compatible with the microcontroller and can efficiently display the time information.

- Alarm Handling: Implement robust algorithms to handle alarm events accurately and reliably, considering potential edge cases and error conditions.

- User Interface Design: Design an intuitive user interface for setting the time, configuring alarms, and interacting with the digital clock.

- System Integration: Integrate the digital clock circuit seamlessly into the desired application, considering space constraints and system compatibility.

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6. What is the process for return or replacement of M41T93SQA6F?

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 M41T93SQA6F we delivered, we will accept the replacement or return of the M41T93SQA6F 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 M41T93SQA6F.

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

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