MCP7940NT-E/MS is out of stock and can be placed on backorder.
Available Substitutes:

Similar


Analog Devices Inc./Maxim Integrated
In Stock: 0
Unit Price: $7.56000
Datasheet

Similar


NXP USA Inc.
In Stock: 0
Unit Price: $1.32000
Datasheet
Real Time Clock (RTC) IC Clock/Calendar 64B I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MCP7940NT-E/MS

DigiKey Part Number
MCP7940NT-E/MSTR-ND - Tape & Reel (TR)
MCP7940NT-E/MSCT-ND - Cut Tape (CT)
MCP7940NT-E/MSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
MCP7940NT-E/MS
Description
IC RTC CLK/CALENDAR I2C 8MSOP
Manufacturer Standard Lead Time
7 Weeks
Customer Reference
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar 64B I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Datasheet
 Datasheet
EDA/CAD Models
MCP7940NT-E/MS Models
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Voltage - Supply
1.8V ~ 5.5V
Manufacturer
Microchip Technology
Voltage - Supply, Battery
1.3V ~ 5.5V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Timekeeping (Max)
1.2µA @ 3.3V
Part Status
Active
Operating Temperature
-40°C ~ 125°C
DigiKey Programmable
Not Verified
Mounting Type
Surface Mount
Type
Clock/Calendar
Grade
Automotive
Features
Alarm, Leap Year, Square Wave Output, SRAM
Qualification
AEC-Q100
Memory Size
64B
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Time Format
HH:MM:SS (12/24 hr)
Supplier Device Package
8-MSOP
Date Format
YY-MM-DD-dd
Base Product Number
Interface
I2C, 2-Wire Serial
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
DS1388Z-5+Analog Devices Inc./Maxim Integrated0DS1388Z-5+-ND$7.56000Similar
PCF85363ATT/AJNXP USA Inc.0568-12408-2-ND$1.32000Similar
In-Stock: 0
2,500 estimated in stock on 11-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.97000$0.97
25$0.90000$22.50
100$0.85000$85.00
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$0.85000$2,125.00
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.