M41T93RQA6F

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M41T93RQA6F

IC RTC CLK/CALENDAR SPI 16QFN

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  • Мфр. Часть #M41T93RQA6F
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  • Лист данных M41T93RQA6F DataSheet
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Спецификации

Part Status Active
DigiKey Programmable Not Verified
Type Clock/Calendar
Features Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer
Memory Size 7B
Time Format HH:MM:SS:hh (24 hr)
Date Format YY-MM-DD-dd
Interface SPI
Voltage - Supply 2.7V ~ 5.5V
Voltage - Supply, Battery 1.8V ~ 5.5V
Current - Timekeeping (Max) 10µA @ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 16-VQFN Exposed Pad
Supplier Device Package 16-QFN (4x4)
Base Product Number M41T93

Обзор

Description

The M41T93RQA6F is a real-time clock (RTC) integrated circuit designed for timekeeping applications in electronic devices. It features a low-power operation and is capable of maintaining accurate timekeeping with an integrated oscillator, making it suitable for battery-powered systems. This chip typically provides a variety of timekeeping functions, including seconds, minutes, hours, day, date, month, and year, with leap year compensation.
The M41T93RQA6F communicates over a serial I2C interface, allowing easy integration into microcontroller-based systems. It often includes a built-in battery backup feature, enabling it to keep time even during power outages. Key specifications include a temperature range for reliable performance and low supply voltage requirements. Applications for this RTC include consumer electronics, industrial automation, and any device requiring accurate time tracking.
Overall, the M41T93RQA6F is a compact and efficient solution for timekeeping in various electronic applications.

Features

The M41T93RQA6F is a highly integrated real-time clock (RTC) designed for various applications. Key features include:
1. Real-Time Clock Functionality: It provides accurate timekeeping with a calendar function, capable of handling leap years and multiple time formats.
2. Low Power Consumption: Optimized for battery-operated devices, it features low power modes to extend battery life.
3. I2C Interface: The device utilizes an I2C communication interface, allowing for easy integration with microcontrollers and other digital systems.
4. Alarm and Timer Functions: It includes programmable alarms and timers, enhancing its utility in various applications.
5. Wide Operating Voltage: The M41T93RQA6F operates over a broad voltage range, making it versatile for different power supply configurations.
6. Temperature Compensation: It maintains accuracy across a range of temperatures, ensuring reliable timekeeping in varying environmental conditions.
7. Integrated Oscillator: The RTC includes an integrated oscillator, simplifying circuit design and reducing external component requirements.
These features make the M41T93RQA6F suitable for consumer electronics, industrial applications, and portable devices.

Package

The M41T93RQA6F is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. This package type is designed for surface mounting and is commonly used in various electronic applications.

Pinout

The M41T93RQA6F is a real-time clock (RTC) device with a pin count of 8. Its primary functions include keeping track of time and date, generating timing signals, and providing battery backup to maintain time even when the main power is lost. The device interfaces with a microcontroller via I2C (Inter-Integrated Circuit) communication.
The pin configuration includes:
1. Vbat: Battery pin for backup power.
2. Vcc: Supply voltage for the RTC.
3. SDA: Serial data line for I2C communication.
4. SCL: Serial clock line for I2C communication.
5. SQW/INT: Square wave output or interrupt signal.
6. NC: Not connected (no internal connection).
7. GND: Ground connection.
8. RST: Reset pin, used to reset the device.
This compact design makes it suitable for various applications in embedded systems requiring reliable timekeeping.

Manufacturer

The M41T93RQA6F is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in designing and manufacturing a wide range of semiconductor devices and solutions, including microcontrollers, sensors, power management ICs, and memory products. The company serves various markets, such as automotive, industrial, consumer electronics, and communications. Established through a merger in 1987, STMicroelectronics has a significant presence in Europe, Asia, and the Americas, and is known for its innovation and commitment to advancing technology in multiple sectors.

Application

The M41T93RQA6F is a real-time clock (RTC) with a built-in battery backup, primarily used in applications requiring timekeeping functions. Common application areas include computers, embedded systems, telecommunications, industrial equipment, consumer electronics, and automotive systems. It is suitable for maintaining time and date during power outages or system resets, ensuring accurate timekeeping in various devices.

Equivalent

The M41T93RQA6F is a real-time clock (RTC) chip. Equivalent products include the DS1302, DS1338, and MCP7940N. These alternatives offer similar functions, such as timekeeping and battery backup. Always check the specifications for pin compatibility and features to ensure they fit your application.

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