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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksM41T81M6F
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M41T81M6F - STMicroelectronics

Manufacturer Part Number
M41T81M6F
Manufacturer
STMicroelectronics
Allelco Part Number
32D-M41T81M6F
ECAD Model
Parts Description
IC RTC CLK/CALENDAR I2C 8SOIC
Package
8-SOIC (0.154', 3.90mm Width)
Data sheet
M41T81.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 20994

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Specifications

M41T81M6F Tech Specifications
STMicroelectronics - M41T81M6F technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - M41T81M6F

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Supply, Battery 2.5V ~ 3.5V  
Voltage - Supply 2V ~ 5.5V  
Type Clock/Calendar  
Time Format HH:MM:SS:hh (24 hr)  
Supplier Device Package 8-SOIC  
Series -  
Package / Case 8-SOIC (0.154', 3.90mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Memory Size -  
Interface I²C, 2-Wire Serial  
Features Alarm, Leap Year, Square Wave Output, Watchdog Timer  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) 100µA @ 2V ~ 5.5V  
Base Product Number M41T81  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

M41T81M6F

Manufacturer

STMicroelectronics

Introduction

Real-time clock (RTC) integrated circuit (IC)

Provides date, time, and alarm functions

Product Features and Performance

Supports alarm, leap year, square wave output, and watchdog timer

Operating temperature range: -40°C to 85°C

Supply voltage: 2V to 5.5V

Timekeeping current: 100μA @ 2V to 5.5V

Time format: 24-hour

Date format: YY-MM-DD-dd

Product Advantages

Compact 8-SOIC package

Low power consumption

Reliable timekeeping

Integrated features for various applications

Key Technical Parameters

Interface: 2-wire serial

Backup battery voltage: 2.5V to 3.5V

Mounting type: Surface mount

Quality and Safety Features

RoHS3 compliant

Tape and reel packaging

Compatibility

Compatible with a wide range of microcontroller and embedded systems

Application Areas

Portable electronics, industrial equipment, consumer devices, and more

Product Lifecycle

Currently in production, with availability of replacements or upgrades

Key Reasons to Choose This Product

Reliable real-time clock functionality

Integrated features for versatile applications

Low power consumption for extended battery life

Compact and easy-to-integrate package

Compliance with RoHS regulations for environmental responsibility

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics M41T81M6F

Product Attribute M41T81M6F M41T81SM6F M41T81MX6 M41T81SM6E
Part Number M41T81M6F M41T81SM6F M41T81MX6 M41T81SM6E
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Current - Timekeeping (Max) 100µA @ 2V ~ 5.5V 100µA @ 2.7V ~ 5.5V 100µA @ 2V ~ 5.5V 100µA @ 2.7V ~ 5.5V
Voltage - Supply 2V ~ 5.5V 2.7V ~ 5.5V 2V ~ 5.5V 2.7V ~ 5.5V
Interface I²C, 2-Wire Serial I²C, 2-Wire Serial I²C, 2-Wire Serial I²C, 2-Wire Serial
Base Product Number M41T81 M41T81 M41T81 M41T81
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tube
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC
Type Clock/Calendar Clock/Calendar Clock/Calendar Clock/Calendar
Features Alarm, Leap Year, Square Wave Output, Watchdog Timer Alarm, Leap Year, Square Wave Output, Watchdog Timer Alarm, Leap Year, Square Wave Output, Watchdog Timer Alarm, Leap Year, Square Wave Output, Watchdog Timer
Date Format YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd
Package / Case 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width)
Time Format HH:MM:SS:hh (24 hr) HH:MM:SS:hh (24 hr) HH:MM:SS:hh (24 hr) HH:MM:SS:hh (24 hr)
Series - - - -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Voltage - Supply, Battery 2.5V ~ 3.5V 2V ~ 3.5V 2.5V ~ 3.5V 2V ~ 3.5V
Memory Size - - - -

M41T81M6F Datasheet PDF

Download M41T81M6F pdf datasheets and STMicroelectronics documentation for M41T81M6F - STMicroelectronics.

HTML Datasheet
M41T81.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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M41T81M6F Image

M41T81M6F

STMicroelectronics
32D-M41T81M6F

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