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MCP7940N-I/ST The Microchip Technology MCP7940N-I/ST is a Clock/Calendar IC featuring an I2C interface. It operates within a voltage range of 1.3V to 5.5V and is housed in an 8-TSSOP package.
Mfr Part #:

MCP7940N-I/ST

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP7940N-I/ST is a Clock/Calendar IC featuring an I2C interface. It operates within a voltage range of 1.3V to 5.5V and is housed in an 8-TSSOP package.
✓ Total Stock: 1,470 pcs
$ Price Range: $5.21

MCP7940N-I/ST Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,470 pcs
On Request
1470 pcs On Request 1 On Request On Request On Request On Request On Request
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MCP7940N-I/ST 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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MCP7940N-I/ST Description

Short technical summary and product information.

The Microchip Technology MCP7940N-I/ST is a Real Time Clock (RTC) integrated circuit designed for accurate timekeeping. It features an I2C interface for easy communication with microcontrollers and supports a wide operating voltage range from 1.3V to 5.5V.

 

This RTC IC includes features such as alarm functionality, leap year calculation, and square wave output. It has a built-in 64B SRAM for data storage. The device operates reliably within a temperature range of -40°C to 85°C.

 

Packaged in an 8-TSSOP, the MCP7940N-I/ST is suitable for surface mount applications. Its compact size and low power consumption make it ideal for various embedded systems requiring precise timekeeping capabilities.

MCP7940N-I/ST Quick Information

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

MCP7940N-I/ST Compliance

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

MCP7940N-I/ST 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/ST Features

  • Clock/Calendar IC with I2C interface.
  • Wide operating voltage from 1.3V to 5.5V.
  • Operates in -40°C to 85°C temperature range.
  • Features alarm and leap year support.
  • Surface mount 8-TSSOP package.

MCP7940N-I/ST Applications

  • Ideal for embedded timekeeping systems.
  • Suitable for battery-backed applications.
  • Used in devices requiring accurate date/time.
  • Supports alarm-driven event triggers.

MCP7940N-I/ST FAQs

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

The MCP7940N-I/ST operates within a voltage range of 1.3V to 5.5V.

What is the operating temperature of the MCP7940N-I/ST?

The operating temperature for the MCP7940N-I/ST is -40°C to 85°C.

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

The MCP7940N-I/ST is available in an 8-TSSOP package.

What interface does the MCP7940N-I/ST use?

The MCP7940N-I/ST uses an I²C, 2-Wire Serial interface.

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