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M41T81M6F The STMicroelectronics M41T81M6F is a Real Time Clock (RTC) IC featuring an I2C interface. It operates within a supply voltage range of 2V to 5.5V and is housed in an 8-SOIC package.
Mfr Part #:

M41T81M6F

Available from 7 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics M41T81M6F is a Real Time Clock (RTC) IC featuring an I2C interface. It operates within a supply voltage range of 2V to 5.5V and is housed in an 8-SOIC package.
✓ Total Stock: 44,875 pcs
$ Price Range: $3.00

M41T81M6F Available from 7 distributors

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M41T81M6F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Mounting Type
Operating Temperature
Supplier Device Package
Tape & Reel
Time Format
Type
Voltage
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M41T81M6F Description

Short technical summary and product information.

The STMicroelectronics M41T81M6F is an integrated circuit designed for clock and calendar functions. It utilizes an I2C, 2-Wire Serial interface for communication and operates within a supply voltage range of 2V to 5.5V, with a specific battery voltage range of 2.5V to 3.5V. The device consumes a maximum of 100µA at 2V-5.5V for timekeeping.

 

Key features of the M41T81M6F include alarm functionality, leap year support, square wave output, and a watchdog timer. It supports both 24-hour time format (HH:MM:SS:hh) and a date format of YY-MM-DD-dd. The operating temperature range is -40°C to 85°C.

 

This component is supplied in an 8-SOIC package with a surface mount type. The package dimensions are 0.154 inches (3.90mm) in width. The M41T81M6F is suitable for applications requiring accurate timekeeping and calendar functions within a compact surface-mount form factor.

M41T81M6F Quick Information

Product Type: Real Time Clock IC
Canonical Name: M41T81M6F Real Time Clock IC
Subcategory: Real Time Clocks

M41T81M6F Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

M41T81M6F Estimated Pricing

Qty Low High
1+ $3.00 $3.00

Estimated market price range - modelled values for guidance only, not live distributor offers.

M41T81M6F Features

  • Real Time Clock IC with I2C interface.
  • Supports alarm and leap year functions.
  • Operates from 2V to 5.5V supply voltage.
  • Wide operating temperature range of -40°C to 85°C.
  • Compact 8-SOIC surface mount package.

M41T81M6F Applications

  • Ideal for embedded system timekeeping.
  • Suitable for battery-backed clock functions.
  • Used in devices needing calendar tracking.
  • Applications requiring watchdog timer functionality.

M41T81M6F FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the M41T81M6F?

The operating voltage for the M41T81M6F is between 2V and 5.5V.

What package type is the M41T81M6F available in?

The M41T81M6F is available in an 8-SOIC package.

What is the operating temperature range for this Real Time Clock IC?

The operating temperature range is -40°C to 85°C.

What are the key features of the M41T81M6F?

Key features include Alarm, Leap Year, Square Wave Output, and Watchdog Timer.

What interface does the M41T81M6F use?

The M41T81M6F uses an I2C, 2-Wire Serial interface.

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