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M41T81M6E The STMicroelectronics M41T81M6E is a serial real-time clock (RTC) with alarm functionality. It operates with a supply voltage range of 2.5V to 3.5V and features an I2C interface.
Mfr Part #:

M41T81M6E

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics M41T81M6E is a serial real-time clock (RTC) with alarm functionality. It operates with a supply voltage range of 2.5V to 3.5V and features an I2C interface.
✓ Total Stock: 32,908 pcs
$ Price Range: $3.00

M41T81M6E Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
32,873 pcs
On Request
32873 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
35 pcs
On Request
35 pcs On Request 1 On Request On Request On Request On Request On Request
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M41T81M6E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
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Height
Interface
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Length
Memory Size
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M41T81M6E Description

Short technical summary and product information.

The STMicroelectronics M41T81M6E is a Clock/Timing IC designed as a serial real-time clock (RTC) with alarm capabilities. It supports various features including alarm, leap year calculation, square wave output, and a watchdog timer.

 

This device operates within a supply voltage range of 2.5V to 3.5V and consumes a typical current of 100µA at 2V to 5.5V. The operating temperature range is from -40°C to 85°C. Communication is handled via an I²C or 2-Wire Serial interface.

 

The M41T81M6E has a memory size of 512 bits and 20 Bytes of RAM. It supports date formats YY-MM-DD-dd and time formats HH:MM:SS:hh (24 hr). The component is housed in an 8-SOIC package and is designed for surface mounting.

 

Key specifications include a minimum operating temperature of -40°C and a maximum of 85°C, with a supply voltage range of 2.5V to 3.5V. The package type is 8-SOIC with a width of 3.90mm, suitable for surface mount applications.

M41T81M6E Quick Information

Product Type: Real Time Clock
Canonical Name: M41T81M6E Serial Real-Time Clock (RTC) with Alarm
Subcategory: Real Time Clock (RTC)

M41T81M6E Compliance

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

M41T81M6E Estimated Pricing

Qty Low High
1+ $3.00 $3.00

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

M41T81M6E Features

  • Serial real-time clock with alarm functionality.
  • Supports I2C and 2-Wire Serial interfaces.
  • Wide operating temperature range of -40°C to 85°C.
  • Surface mountable 8-SOIC package.
  • Includes alarm and watchdog timer features.

M41T81M6E Applications

  • Ideal for timekeeping in embedded systems.
  • Suitable for battery-backed applications.
  • Used in devices requiring accurate time tracking.
  • Applications needing alarm or event triggering.

M41T81M6E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the M41T81M6E?

The operating voltage range is 2.5V to 3.5V.

What is the operating temperature range of this clock IC?

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

What package type is the M41T81M6E available in?

It is available in an 8-SOIC package.

Does the M41T81M6E support I2C communication?

Yes, it supports I2C and 2-Wire Serial interfaces.

What is the memory size of the M41T81M6E?

It has a memory size of 512b and 20B of RAM.

What is the RoHS status of the M41T81M6E?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this component?

The MSL is 1 Unlimited.

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