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M41T81SMY6F The STMicroelectronics M41T81SMY6F is a Clock/Calendar IC featuring an I2C interface. It operates within a voltage range of 2V to 3.5V and a temperature range of -40°C to 85°C.
Mfr Part #:

M41T81SMY6F

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics M41T81SMY6F is a Clock/Calendar IC featuring an I2C interface. It operates within a voltage range of 2V to 3.5V and a temperature range of -40°C to 85°C.
✓ Total Stock: 6,627 pcs
$ Price Range: $3.00

M41T81SMY6F Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
5,500 pcs
On Request
5500 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
127 pcs
On Request
127 pcs On Request 1 On Request On Request On Request On Request 2026-04-21 09:15:12
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

M41T81SMY6F Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Halogen Free
Interface
Lead Style
Mounting Type
Operating Temperature
Storage Temperature
Supplier Device Package
Supplier Package
Tape & Reel
Time Format
Type
Voltage
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M41T81SMY6F Description

Short technical summary and product information.

The STMicroelectronics M41T81SMY6F is a Clock/Calendar integrated circuit designed for timekeeping applications. It features an I2C interface for communication and supports a voltage range of 2V to 3.5V.

 

Key specifications include an operating temperature range of -40°C to 85°C and a typical current consumption of 100µA at 2.7V. The device supports various features such as Alarm, Leap Year, Square Wave Output, and a Watchdog Timer.

 

This IC is available in an 18-SOX package and is designed for surface mount applications. It offers flexible date and time formatting, including YY-MM-DD-dd for dates and HH:MM:SS:hh (24 hr) for time.

 

The M41T81SMY6F is suitable for embedded systems requiring accurate timekeeping and calendar functions.

M41T81SMY6F Quick Information

Product Type: Real Time Clock IC
Canonical Name: STMicroelectronics M41T81SMY6F Clock/Calendar IC
Subcategory: Real Time Clocks

M41T81SMY6F Compliance

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

M41T81SMY6F Estimated Pricing

Qty Low High
1+ $3.00 $3.00

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

M41T81SMY6F Features

  • I2C and 2-Wire Serial interface.
  • Operates from 2V to 3.5V supply.
  • Wide temperature range of -40°C to 85°C.
  • Includes Alarm and Watchdog Timer features.
  • Available in 18-SOX package for surface mounting.

M41T81SMY6F Applications

  • Ideal for embedded timekeeping systems.
  • Suitable for battery-backed applications.
  • Used in devices requiring calendar functions.
  • Supports alarm-based event triggering.

M41T81SMY6F FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the M41T81SMY6F?

The M41T81SMY6F operates within a voltage range of 2V to 3.5V.

What is the operating temperature range of the M41T81SMY6F?

The operating temperature range for the M41T81SMY6F is -40°C to 85°C.

What package type is the M41T81SMY6F available in?

The M41T81SMY6F is available in an 18-SOX package.

What interface does the M41T81SMY6F use?

The M41T81SMY6F uses an I²C and 2-Wire Serial interface.

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