M41T66Q6F

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M41T66Q6F

IC RTC CLK/CALENDAR I2C 16-QFN

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
Series Timekeeper®
ProductStatus Obsolete
Type Clock/Calendar
Features Alarm, Leap Year, Square Wave Output, Watchdog Timer
TimeFormat HH:MM:SS:hh (24 hr)
DateFormat YY-MM-DD-dd
Interface I²C, 2-Wire Serial
Voltage-Supply 1.5V ~ 4.4V
Current-Timekeeping(Max) 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-VFQFN Exposed Pad

Overview

Description

The M41T66Q6F is a real-time clock (RTC) integrated circuit designed for applications requiring precise timekeeping. It typically features a built-in oscillator, battery backup, and programmable alarm functions. The device is often used in microcontroller systems, consumer electronics, and embedded systems where accurate time and date tracking are essential.
Key specifications include a low-power consumption design, enabling long-term operation on battery power, and a wide operating temperature range. The M41T66Q6F can communicate with microcontrollers via I2C or similar protocols, allowing easy integration into various electronic systems.
Further, it often includes features like a 32.768 kHz oscillator, registers for time and date data, and the ability to generate interrupts for alarms. The M41T66Q6F is ideal for applications in smart appliances, automotive systems, and industrial equipment, where timekeeping is critical for functionality and user experience.

Features

The M41T66Q6F is a real-time clock (RTC) integrated circuit commonly used in embedded systems. Key features include:
1. Timekeeping Accuracy: It provides precise timekeeping with a typical accuracy of ±3 minutes per year.
2. Power Supply: Operates with a supply voltage range of 1.8V to 5.5V, making it versatile for various applications.
3. Low Power Consumption: Designed for low-power operation, it includes a battery backup feature that maintains time during power outages.
4. I2C Interface: Communicates via an I2C interface, allowing easy integration with microcontrollers.
5. Alarms and Timers: Supports programmable alarms and timers, enhancing functionality for time-based applications.
6. Temperature Compensation: Some versions offer temperature compensation to improve accuracy.
7. Compact Package: Available in small form factors, suitable for space-constrained designs.
Overall, the M41T66Q6F is ideal for consumer electronics, industrial applications, and any project requiring reliable timekeeping.

Package

The M41T66Q6F is typically available in a 28-pin SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for low-power real-time clock applications due to its compact size and ease of integration onto printed circuit boards.

Pinout

The M41T66Q6F is a real-time clock (RTC) with a total of 8 pins. Here is a brief overview of its pin functions:
1. VCC - Power supply voltage (typically +2.0V to +5.5V).
2. GND - Ground reference.
3. SDA - Serial Data Line for I2C communication.
4. SCL - Serial Clock Line for I2C communication.
5. RST - Reset pin, used to reset the device.
6. OUT - Output pin for the alarm function.
7. 32K - 32 kHz output for clock applications.
8. VBACKUP - Backup voltage input for maintaining time during power loss.
The M41T66Q6F is designed for low power consumption and includes features like a programmable alarm and square wave output.

Manufacturer

The M41T66Q6F is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in designing and manufacturing a wide range of semiconductor products, including analog, digital, and mixed-signal integrated circuits. The company serves various markets, including automotive, industrial, personal electronics, communications, and consumer goods. STMicroelectronics is known for its innovative technologies and solutions aimed at enabling smarter and more energy-efficient electronic systems. Headquartered in Geneva, Switzerland, it operates in multiple countries and is recognized as one of the leading players in the semiconductor industry.

Application

The M41T66Q6F is a real-time clock (RTC) integrated circuit used in various applications such as battery-backed systems, consumer electronics, microcontrollers, industrial equipment, and telecommunications. It provides timekeeping functions, alarm capabilities, and time/date management for devices like computers, servers, and embedded systems. Its low power consumption makes it suitable for portable and battery-operated devices.

Equivalent

The M41T66Q6F is a real-time clock (RTC) chip. Equivalent products include the DS1340, MCP79410, and PCF8563. These chips serve similar functions in keeping time and are suitable substitutes depending on specific requirements like features and interface compatibility. Always check datasheets for exact specifications and compatibility before replacing.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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2. Credit/ Debit Card

3. Wire Transfer

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