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microchip technology
Authorized Distributor

Microchip Technology Authorized Distributor

MCP7940N-E/SN

Name: MCP7940N-E/SN Microchip Technology Real Time Clocks
Brand: Microchip Technology
SKU: 47043732
Availability: InStock

Battery-Backed I2C Real Time Clock/Calendar - 64-byte SRAM - 1.8 to 5.5VDC - 12/24 hour - I2C - -40°C to +125°C - 8-lead SOIC

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RoHS Compliant

TUBE Packaging

Certificate of Compliance

Description +

Battery-Backed I2C Real Time Clock/Calendar - 64-byte SRAM - 1.8 to 5.5VDC - 12/24 hour - I2C - -40°C to +125°C - 8-lead SOIC

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Supplier:

Microchip Technology
Part No:

MCP7940N-E/SN
Unit of Measure:

Per Each
RoHS:

Yes
HTS:

8542390090
COO:

TH
ECCN:

EAR99
Supplier Standard Pack:

100
Dimension:

4.9 x 3.9 x 1.25(Min) mm
Maximum Access Time:

N/A
Minimum Operating Supply Voltage:

1.8 V
Maximum Operating Supply Voltage:

5.5 V
Mounting:

Surface Mount
Maximum Power Dissipation:

N/A
Date Format:

DW:DM:M:Y
Function:

Clock/Calendar/Alarm/Battery Backup
Family:

MCP7940
Bus Type:

Serial (2-Wire, I2C)

Symbol, Footprint, 3D Model

Tools/3D Models +

EE ToolBox

Product Guides +

Datasheet

Frequently Asked Questions

Is MCP7940N-E/SN RoHS compliant?

Yes, MCP7940N-E/SN is RoHS compliant.

What is the lead time for MCP7940N-E/SN?

The standard lead time for MCP7940N-E/SN is approximately 4 days. In-stock quantities ship from OnlineComponents.com.

Price Match Guarantee - we'll meet or beat any authorized Competitor's published price.

Price Match

This product is discontinued, but still in stock.
This product is NOT RoHS Compliant. See alternative
Different product options available. See alternative
Different packaging options available. See alternative
Possible Replacement options available. See alternative
Item discontinued
End of Life: Final orders must be placed by
Item discontinued

This product is no longer being manufactured but there may be alternatives. We can help you, Contact Us.

Price Match Guarantee

We’ll meet or beat any authorized competitor’s published price for this part.

In Stock: 600

Can Ship immediately

On Order:

Manufacturer Stock:

69,200 can ship 8/28/26

Stock lot only:

Minimum Order Quantity:

100

MOQ for out of Stock Qty:

Order Increment:

100

Factory Lead-Time:

4 Weeks can ship 9/14/26

ADD TO CART

Your order may include a combination of full reels and cut tape depending on available stock.

Full Reels Only – Selecting this will hold your order for full reel fulfillment. Cut tape will not be substituted.

Price (USD)

A tariff of {0} may be applied if shipping to the United States.

Qty

Unit Price

100

$0.929

300

$0.890

500

$0.878

1,000

$0.844

2,500

$0.802

5,000

$0.800

7,500

$0.798

10,000 +

$0.793

Supplier's Standard Package

Standard Packaging

Standard packaging is the minimum package size OnlineComponents.com receives from the supplier. The minimum order quantity might be less than the supplier's standard packaging. The type of packaging (such as reel, tube, tray) may be subject to change when the product is divided into smaller quantities.

Reel Packaging

This product ships on a reel. Depending on the quantity ordered, you may receive full factory reels, cut tape (components on a strip cut from a reel), or a combination of both.

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Microchip Technology Authorized Distributor

MCP7940N-E/SN

Price (USD)

Standard Packaging

Reel Packaging

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