M41T82RM6F

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M41T82RM6F

+BOM

IC RTC CLK/CALENDAR I2C 8-SOIC

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Clock/Calendar
Features Alarm, Leap Year, SRAM, Watchdog Timer
MemorySize 7B
TimeFormat HH:MM:SS:hh (24 hr)
DateFormat YY-MM-DD-dd
Interface I²C, 2-Wire Serial
Voltage-Supply 2.7V ~ 5.5V
Voltage-SupplyBattery 2V ~ 5.5V
Current-Timekeeping(Max) 10µA @ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The M41T82RM6F is a real-time clock (RTC) module manufactured by STMicroelectronics. It is designed to provide precise timekeeping functions in electronic systems, operating on low power, which makes it suitable for battery-powered devices. The module includes a calendar that accounts for leap years, and it can keep track of seconds, minutes, hours, day, date, month, and year data.
Key features of the M41T82 include its ability to operate in a wide range of temperatures and its low supply current, enhancing its application in various environments. It supports a backup battery input to maintain timekeeping during power failures, ensuring continuity. The device communicates with the host system via an I²C interface, which is standard in many microcontrollers, providing easy integration.
The M41T82 is often used in applications such as data loggers, portable devices, and any digital system that requires an accurate and reliable clock. It ensures that devices maintain accurate timekeeping even when they are turned off or disconnected from a main power source.

Equivalent

The M41T82RM6F is a serial real-time clock (RTC) chip from STMicroelectronics. Equivalent products may include:
1. DS3231: Maxim Integrated offers this RTC with high accuracy and an integrated temperature-compensated crystal oscillator.
2. PCF8523: NXP provides this low-power RTC with a wide operating temperature range.
3. RX8130CE: Epson's RTC module with a built-in crystal oscillator.
4. MCP7940N: Microchip's RTC with non-volatile memory for timekeeping and alarms.
Always check datasheets to ensure compatibility with specific requirements.

Features

The M41T82RM6F is a real-time clock (RTC) IC designed to provide accurate timekeeping and calendar functionality. Key features include:
1. Timekeeping: Includes a clock/calendar function that tracks seconds, minutes, hours, day, date, month, and year, with leap year compensation until 2100.
2. Alarm Function: Supports programmable alarms with interrupt outputs for generating wake-up signals.
3. Battery Backup: Equipped with battery switchover capability to maintain timekeeping in the absence of main power.
4. Low Power Consumption: Designed for minimal power usage to extend battery life, making it suitable for portable applications.
5. I2C Interface: Communicates over an I2C bus, allowing easy integration with microcontrollers and other I2C-compatible devices.
6. Programmable Square-Wave Output: Provides flexible output frequencies for additional timing requirements.
7. Operating Voltage: Functions over a wide voltage range, enhancing compatibility with various systems.
8. Temperature Compensation: Offers options for temperature compensation to ensure accuracy across temperature variations.
These features make the M41T82RM6F suitable for applications requiring reliable timekeeping, such as in embedded systems, industrial controls, and consumer electronics.

Pinout

The M41T82RM6F is a real-time clock (RTC) IC from STMicroelectronics. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of the pin functions:
1. VCC: Supply voltage for the device.
2. VBAT: Backup battery voltage input.
3. SDA: Serial data input/output for the I2C interface.
4. SCL: Serial clock input for the I2C interface.
5. FT/OUT: Frequency test or programmable square wave output.
6. OSCIN: Oscillator input.
7. OSCOUT: Oscillator output.
8. GND: Ground connection.
The M41T82RM6F is designed to provide a timekeeping function, including seconds, minutes, hours, day, date, month, and year, with leap year compensation. It can operate from both a main power supply and a backup battery, ensuring timekeeping continuity even during power interruptions. The device interfaces with microcontrollers using an I2C serial interface, and it includes features such as programmable square wave output and alarms.

Manufacturer

The M41T82RM6F is manufactured by STMicroelectronics, a multinational electronics and semiconductor manufacturer. STMicroelectronics is known for designing and producing a wide range of semiconductor products, including microcontrollers, sensors, and integrated circuits, which are used in various applications like consumer electronics, automotive, industrial, and communication equipment. The company is headquartered in Geneva, Switzerland, and operates globally, with research, development, and manufacturing facilities located in multiple countries. STMicroelectronics is considered a leading player in the semiconductor industry, focusing on innovation and sustainable development.

Application

The M41T82RM6F is a real-time clock (RTC) IC typically used in applications requiring precise timekeeping. Its common application areas include:
1. Consumer Electronics: Devices like digital cameras, DVD players, and smart TVs for maintaining accurate time and date settings.
2. Industrial Automation: Timing for process control and logging.
3. Computing: Desktop and notebook computers for system clock and calendar functions.
4. Telecommunications: Network equipment for time-stamping and synchronization.
5. Automotive: In-vehicle systems for timekeeping and event scheduling.
6. IoT Devices: Maintaining accurate time in low-power and battery-operated devices.
These applications benefit from the M41T82RM6F's low power consumption and reliable timekeeping features.

Package

The M41T82RM6F is a Serial Real-Time Clock (RTC) IC from STMicroelectronics, and it comes in an SOIC-8 package type. This package is a small outline integrated circuit with 8 pins, suitable for surface-mount technology on printed circuit boards.

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