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Microchip Technology Authorized Distributor

MCP7940N-I/ST

Name: MCP7940N-I/ST Microchip Technology Real Time Clocks
Brand: Microchip Technology
SKU: 47043727
Availability: InStock

Battery-Backed I2C Real Time Clock/Calendar - 64-byte SRAM - 1.8 to 5.5VDC - 12/24 hour - I2C - -40°C to +85°C - 8-lead TSSOP

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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 +85°C - 8-lead TSSOP

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Product Attribute

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Supplier:

Microchip Technology
Part No:

MCP7940N-I/ST
Unit of Measure:

Per Each
RoHS:

Yes
HTS:

8542390090
COO:

TH
ECCN:

EAR99
Supplier's Standard Package:

100
Minimum Operating Supply Voltage:

1.8 V
Dimension:

3 x 4.4 x 1 mm
Mounting:

Surface Mount
Maximum Access Time:

N/A
Maximum Operating Supply Voltage:

5.5 V
Family:

MCP7940
Date Format:

DW:DM:M:Y
Bus Type:

Serial (2-Wire, I2C)
Maximum Power Dissipation:

N/A
Function:

Clock/Calendar/Alarm/Battery Backup

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Datasheet

Frequently Asked Questions

Is MCP7940N-I/ST RoHS compliant?

Yes, MCP7940N-I/ST is RoHS compliant.

What is the lead time for MCP7940N-I/ST?

The standard lead time for MCP7940N-I/ST is approximately 4 weeks. 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: 100

Ships today, if you order in

On Order:

Manufacturer Stock:

12,795 can ship 11/2/26

Stock lot only:

Minimum Order Quantity:

100

MOQ for out of Stock Qty:

Order Increment:

100

Factory Lead-Time:

4 Weeks can ship 11/17/26

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

Backorder Full Reels – 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

$1.095

300

$0.966

500

$0.912

1,000

$0.892

2,500

$0.864

5,000

$0.862

7,500

$0.860

10,000 +

$0.858

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-I/ST

Price (USD)

Standard Packaging

Reel Packaging

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