M41T94MQ6F - STMicroelectronics

Manufacturer Part Number

M41T94MQ6F

Manufacturer

stmicroelectronics

Introduction

The M41T94MQ6F is a low-power serial real-time clock (RTC) with a built-in 44-byte NVRAM. It incorporates additional features such as alarm, leap year correction, square wave output, and a watchdog timer.

Product Features and Performance

Integrated alarm function for alert scheduling

Leap year correction for accurate date management

44-byte NVRAM for data storage

Square wave output for external device control

Watchdog timer for system reset or fail-safe operations

Supports time format HH:MM:SS:hh for precise timekeeping

Date format YY-MM-DD-dd for comprehensive date representation

SPI interface for straightforward communication with microcontrollers

Operates over a wide voltage supply range from 2.7V to 5.5V

Battery support voltage from 2.5V to 3.5V for reliable backup timekeeping

Low timekeeping current of max 1.4mA, conserving system power

Product Advantages

Multi-function capability reduces the need for additional components

Low power consumption enhances battery life in portable applications

Broad operating temperature range suitable for diverse environments

Easy integration with most microcontrollers via SPI interface

Key Technical Parameters

Memory Size: 44B

Time Format: HH:MM:SS:hh (24 hr)

Date Format: YY-MM-DD-dd

Interface: SPI

Voltage Supply Range: 2.7V ~ 5.5V

Voltage Supply, Battery: 2.5V ~ 3.5V

Current Timekeeping (Max): 1.4mA

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Quality and Safety Features

Rigorous validation processes ensure reliability under specified conditions.

Compliant with industry standard safety and quality regulations.

Compatibility

Compatible with most microcontroller units through the SPI interface.

Flexible voltage requirements allow for use in various circuit designs.

Application Areas

Embedded systems

Consumer electronics

Internet of Things (IoT) devices

Portable instrumentation

Industrial control systems

Product Lifecycle

The product status is Active, indicating its continued production and support from the manufacturer.

No immediate indications of discontinuation, ensuring long-term availability.

Several Key Reasons to Choose This Product

The M41T94MQ6F provides a versatile, integrated, real-time clock solution with added functionalities such as alarm and watchdog timer, eliminating the need for additional components.

Its low power consumption is ideal for battery-powered applications, extending operational time.

The robust SPI interface ensures ease of integration into existing designs, reducing development time.

Support across a broad temperature range makes it suitable for use in a wide variety of environmental conditions.

Stmicroelectronics' reputation for quality and reliability in semiconductor manufacturing assures long-term performance.