M41T93RQA6F

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M41T93RQA6F

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IC RTC CLK/CALENDAR SPI 16QFN

  • メーカーRFE/フューゼテック

  • メーカー品番 #M41T93RQA6F

  • データシート M41T93RQA6F DataSheet

  • 在庫状況6194

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
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

概要

Description

The M41T93RQA6F is a real-time clock (RTC) integrated circuit (IC) designed for timekeeping applications. It features a built-in oscillator and provides accurate time and date tracking. Key specifications include a 3V to 5.5V supply voltage, I²C communication interface, and a 100-year timekeeping accuracy when powered by a backup battery. The device typically includes functions such as alarm generation, programmable timer, and temperature compensation to ensure precision. The M41T93RQA6F is often used in consumer electronics, industrial systems, and other applications where reliable timekeeping is essential. Its small footprint and low power consumption make it suitable for battery-operated devices. Overall, the M41T93RQA6F is a versatile and efficient choice for integrating timekeeping functionality into various electronic systems.

Equivalent

The M41T93RQA6F is a real-time clock (RTC) chip. Equivalent products include the DS1337, MCP7940N, and PCF8563. These chips offer similar functionalities, such as timekeeping and battery backup, but check specifications for voltage, interfaces, and features to ensure compatibility with your application.

Features

The M41T93RQA6F is a real-time clock (RTC) device featuring a low-power CMOS technology. It provides timekeeping functionality with a calendar and an alarm feature. Key features include:
1. Timekeeping Precision: Maintains accurate timekeeping with a typical precision of ±3 minutes per year.
2. Power Supply: Operates on a voltage range of 1.8V to 5.5V, making it suitable for battery-powered applications.
3. Low Power Consumption: Designed for low energy usage, ideal for portable devices.
4. Integrated Oscillator: Comes with an internal 32.768 kHz oscillator, eliminating the need for external components.
5. Alarm Functions: Supports programmable alarms for timed notifications.
6. I2C Interface: Utilizes an I2C interface for easy communication with microcontrollers.
7. Battery Backup: Equipped with a backup battery option to maintain time during power failures.
These features make the M41T93RQA6F suitable for applications in consumer electronics, automotive, and industrial devices requiring accurate timekeeping.

Pinout

The M41T93RQA6F is a real-time clock (RTC) device with a total of 8 pins. The key pin functions are as follows:
1. VCC (Pin 1): Power supply pin.
2. GND (Pin 2): Ground reference.
3. SCL (Pin 3): I²C serial clock input.
4. SDA (Pin 4): I²C serial data input/output.
5. SQW/INT (Pin 5): Square wave output or interrupt output.
6. BAT (Pin 6): Backup power input for the RTC.
7. 32K (Pin 7): 32 kHz output for clock applications.
8. NC (Pin 8): No connection.
This RTC is designed for low power consumption and includes features like battery backup to maintain timekeeping during power outages. It communicates via the I²C protocol, making it suitable for various embedded systems.

Manufacturer

The M41T93RQA6F is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in the design, development, manufacturing, and marketing of a wide range of semiconductor products, including microcontrollers, sensors, and power management devices. The company was formed in 1987 through the merger of SGS Microelettronica of Italy and Thomson Semiconductors of France.
STMicroelectronics is known for its innovation in various sectors, including automotive, industrial, personal electronics, and the Internet of Things (IoT). The M41T93RQA6F itself is a real-time clock (RTC) integrated circuit, widely used in applications requiring precise timekeeping, such as in consumer electronics, telecommunications, and automotive systems. The company operates globally, serving a diverse customer base and emphasizing sustainability and technological advancement in its operations.

Application

The M41T93RQA6F is a real-time clock (RTC) with an integrated oscillator and battery backup, primarily used in applications requiring accurate timekeeping. Common application areas include:
1. Consumer Electronics: Digital clocks, appliances, and remote controls.
2. Embedded Systems: Microcontrollers and development boards needing time-stamping.
3. Industrial Automation: Time tracking for equipment and processes.
4. Automotive: Timekeeping in vehicle systems and infotainment units.
5. Telecommunications: Synchronization in network devices.
6. Medical Devices: Time-sensitive monitoring and equipment.
7. Smart Home Devices: Automation systems requiring time-based controls.
Its low power consumption makes it suitable for battery-operated devices.

Package

The M41T93RQA6F is available in a 16-pin dual in-line package (DIP). This package type is designed for ease of integration into various electronic circuits.

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