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MCP7940NT-I/SN The Microchip Technology MCP7940NT-I/SN is a Real Time Clock IC featuring an I2C interface. It operates within a voltage range of 1.3V to 5.5V.
Mfr Part #:

MCP7940NT-I/SN

Available from 5 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP7940NT-I/SN is a Real Time Clock IC featuring an I2C interface. It operates within a voltage range of 1.3V to 5.5V.
✓ Total Stock: 8,121 pcs
$ Price Range: $5.21

MCP7940NT-I/SN Available from 5 distributors

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✓ Non-Authorised
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MCP7940NT-I/SN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Memory Size
Mounting Type
Operating Temperature
Supplier Device Package
Time Format
Type
Voltage
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MCP7940NT-I/SN Description

Short technical summary and product information.

The MCP7940NT-I/SN from Microchip Technology is a Real Time Clock (RTC) integrated circuit designed for accurate timekeeping. It supports I2C and 2-wire serial communication, making it versatile for various embedded systems.

 

This clock/calendar IC operates over a wide voltage range of 1.3V to 5.5V and consumes minimal current, drawing only 1.2µA at 3.3V. It features alarm functions, leap year calculation, and square wave output, along with 64B of SRAM for data storage. The operating temperature range is from -40°C to 85°C.

 

Packaged in an 8-SOIC form factor, the MCP7940NT-I/SN is designed for surface mounting. Its date format is YY-MM-DD-dd and time format is HH:MM:SS (12/24 hr), providing flexible time display options. This component is suitable for applications requiring reliable timekeeping and calendar functions.

MCP7940NT-I/SN Quick Information

Product Type: Real Time Clock IC
Canonical Name: MCP7940NT-I/SN Real Time Clock IC
Subcategory: Real Time Clocks

MCP7940NT-I/SN Compliance

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

MCP7940NT-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.

MCP7940NT-I/SN Features

  • Real Time Clock IC with I2C interface.
  • Wide operating voltage from 1.3V to 5.5V.
  • Low current consumption of 1.2µA.
  • Surface mount 8-SOIC package.
  • Operates from -40°C to 85°C.

MCP7940NT-I/SN Applications

  • Ideal for embedded system timekeeping.
  • Suitable for battery-backed applications.
  • Used in devices needing calendar functions.
  • Supports alarm and leap year features.

MCP7940NT-I/SN FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the MCP7940NT-I/SN?

The operating voltage range is 1.3V to 5.5V.

What package type is the MCP7940NT-I/SN available in?

The MCP7940NT-I/SN 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 interface does the MCP7940NT-I/SN use?

It uses an I²C and 2-Wire Serial interface.

What features are included with the MCP7940NT-I/SN?

Features include Alarm, Leap Year, Square Wave Output, and SRAM.

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