M41T93SQA6F - STMicroelectronics

Manufacturer Part Number

M41T93SQA6F

Manufacturer

STMicroelectronics

Introduction

The M41T93SQA6F is a Real-Time Clock/Calendar component from STMicroelectronics designed for tracking time in hours, minutes, seconds, and hundredths of a second. It incorporates additional features such as an alarm, leap year recognition, square wave output, SRAM, and a watchdog timer, catering to a comprehensive range of timekeeping requirements.

Product Features and Performance

Integrated alarm function

Leap year correction

Square wave output for external devices

Embedded SRAM for user data storage

Watchdog timer for system recovery

Supports 24-hour time format

Date format includes year, month, day, and day of the week

SPI interface for communication with microcontrollers

Operates with supply voltages from 3V to 5.5V

Battery supply voltage range is 1.8V to 5.5V, enhancing compatibility with various battery technologies

Low-current timekeeping (Max 10µA @ 5.5V)

Product Advantages

Versatile power supply options

Minimized power consumption for battery-powered applications

Reliable timekeeping under varying environmental conditions

Simplified interface with majority of MCU platforms via SPI

Integration of multiple functions reduces the need for additional components

Key Technical Parameters

Memory Size: 7 bytes

Time Format: HH:MM:SS:hh (24-hour format)

Date Format: YY-MM-DD-dd

SPI Interface

Operating Supply Voltage: 3V ~ 5.5V

Battery Voltage Range: 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)

Quality and Safety Features

Designed for high reliability and stability across a wide range of operating conditions. Complies with industry-standard quality and safety specifications.

Compatibility

Compatible with a broad range of microcontrollers through its SPI interface, facilitating integration into existing systems without the need for extensive re-engineering.

Application Areas

Industrial control systems

Data loggers

Wearable technology

Portable consumer electronics

IoT devices

Product Lifecycle

Status: Active

The product is currently in production and actively supplied. There are no immediate plans for discontinuation, and replacements or upgrades will be communicated.

Several Key Reasons to Choose This Product

High integration of features saves space and cost on additional components.

Broad voltage range caters to various power supply designs.

Low power consumption extends the lifespan of battery-powered applications.

The versatility of the device through SPI interface increases compatibility with a range of MCUs.

Reliable performance in a wide range of operating conditions.