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MCP7940N-I/SN The Microchip Technology MCP7940N-I/SN is a Clock/Calendar IC featuring an I2C interface. It operates within a voltage range of 1.3V to 5.5V and an extended temperature range of -40°C to 85°C.
Mfr Part #:

MCP7940N-I/SN

Available from 5 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP7940N-I/SN is a Clock/Calendar IC featuring an I2C interface. It operates within a voltage range of 1.3V to 5.5V and an extended temperature range of -40°C to 85°C.
✓ Total Stock: 17,264 pcs
$ Price Range: $5.21

MCP7940N-I/SN Available from 5 distributors

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✓ Non-Authorised
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MCP7940N-I/SN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Lead Spacing
Memory Size
Mounting Type
Operating Temperature
Supplier Device Package
Supplier Package
Time Format
Type
Voltage
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MCP7940N-I/SN Description

Short technical summary and product information.

The Microchip Technology MCP7940N-I/SN is an integrated circuit designed for real-time clock and calendar functions. It features an I2C interface for communication, allowing for easy integration into various embedded systems. This device operates across a wide voltage range, from 1.3V to 5.5V, and is rated for industrial operating temperatures between -40°C and 85°C.

 

Key specifications include a typical operating current of 1.2µA at 3.3V. The MCP7940N-I/SN supports features such as alarms, leap year calculation, square wave output, and includes 64B of SRAM for data storage. It supports both 12/24 hour time formats and YY-MM-DD-dd date formats.

 

Packaged in an 8-SOIC (0.154", 3.90mm Width) surface-mount package, this component is suitable for applications requiring accurate timekeeping and calendar functions. Its robust operating conditions and feature set make it a versatile choice for embedded designs.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are based on available database information and should be verified.

MCP7940N-I/SN Quick Information

Product Type: Real Time Clock
Canonical Name: Microchip Technology MCP7940N-I/SN Clock/Calendar IC
Subcategory: Real Time Clocks

MCP7940N-I/SN Compliance

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

MCP7940N-I/SN Estimated Pricing

Qty Low High
1+ $5.21 $5.21

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

MCP7940N-I/SN Features

  • Clock/Calendar IC with I2C interface.
  • Wide operating voltage from 1.3V to 5.5V.
  • Extended temperature range of -40°C to 85°C.
  • Features alarm and leap year calculation.
  • Compact 8-SOIC surface-mount package.

MCP7940N-I/SN Applications

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

MCP7940N-I/SN FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the MCP7940N-I/SN?

The operating voltage range is 1.3V to 5.5V.

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

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

What package type is the MCP7940N-I/SN available in?

It is available in an 8-SOIC package.

Does the MCP7940N-I/SN support RoHS compliance?

Yes, it is RoHS3 Compliant.

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