M41T64Q6F

$1.94

Description：IC RTC CLK/CALENDAR I2C 16QFN
Series：Timekeeper®

SKU:9794a7c18ced Category: Real Time Clocks Brand: STMicroelectronics

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Product introduction

M41T64Q6F is listed in the Real Time Clock range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is IC RTC CLK/CALENDAR I2C 16QFN. Review the specifications below when checking this part for your BOM.

Real Time Clock specifications for M41T64Q6F

Description：IC RTC CLK/CALENDAR I2C 16QFN
Series：Timekeeper®
Package：Tape & Reel (TR),Cut Tape (CT)
Mfr：STMicroelectronics
Type：Clock/Calendar
Features：Alarm, Leap Year, Square Wave Output, Watchdog Timer
Memory Size：-
Time Format：HH:MM:SS:hh (24 hr)
Date Format：YY-MM-DD-dd
Interface：I2C, 2-Wire Serial
Voltage - Supply：1.3V ~ 4.4V
Voltage - Supply, Battery：-
Current - Timekeeping (Max)：0.7µA ~ 0.95µA @ 1.3V ~ 4.4V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：16-VFQFN Exposed Pad
Supplier Device Package：16-QFN (3x3)

Real Time Clock datasheet and documents for M41T64Q6F

M41T64Q6F

Real Time Clock Overview

The M41T64Q6F is a serial access real-time clock (RTC) integrated circuit manufactured by STMicroelectronics. It features a 16-byte memory buffer and operates within a supply voltage range of 1.3 V to 5.5 V. The device is housed in a QFN-16 package and supports I2C interface communication. It includes alarm functionality and does not utilize battery backup switching. The component is currently classified as obsolete and no longer in active manufacturing.

Real Time Clock Feature Summary

Serial access real-time clock with integrated alarm capabilities
Low-power operation across wide voltage range
Compact QFN-16 surface-mount package design

Real Time Clock Applications

General purpose timekeeping in embedded systems
Data logging timestamping applications
Consumer electronics requiring accurate time tracking

Real Time Clock Procurement Notes

This component is officially marked as obsolete by the manufacturer. Sourcing new units directly from authorized distributors is not possible. Procurement efforts must focus on verifying the authenticity of existing stock from third-party suppliers or identifying approved replacement parts that meet the same electrical and mechanical specifications.

Real Time Clock Selection Notes

Designers should consider the obsolete status when initiating new projects. Alternative components with compatible pinouts and I2C interfaces are recommended. Verify that substitute devices support the required voltage range and memory size to ensure seamless integration without significant circuit redesign.

Real Time Clock Part Context

The M41T64Q6F belongs to the M41T series of serial real-time clocks from STMicroelectronics. This family provides low-cost, low-power timekeeping solutions for various electronic applications. The specific model offers standard RTC functions with a compact form factor suitable for space-constrained designs.