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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksMCP7940NT-I/MS
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MCP7940NT-I/MS - Microchip Technology

Manufacturer Part Number
MCP7940NT-I/MS
Manufacturer
Microchip Technology
Allelco Part Number
32D-MCP7940NT-I/MS
ECAD Model
Parts Description
IC RTC CLK/CALENDAR I2C 8MSOP
Detailed Description
Package
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Data sheet
I²C™ & SPI Family Brochure.pdf
MCP7940N.pdf
RoHs Status
ROHS3 Compliant
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In stock: 49140
  • Unit Price: $0.96
  • Subtotal: $0.00

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Specifications

MCP7940NT-I/MS Tech Specifications
Microchip Technology - MCP7940NT-I/MS technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MCP7940NT-I/MS

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply, Battery 1.3V ~ 5.5V  
Voltage - Supply 1.8V ~ 5.5V  
Type Clock/Calendar  
Time Format HH:MM:SS (12/24 hr)  
Supplier Device Package 8-MSOP  
Series Automotive, AEC-Q100  
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Memory Size 64B  
Interface I²C, 2-Wire Serial  
Features Alarm, Leap Year, Square Wave Output, SRAM  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) 1.2µA @ 3.3V  
Base Product Number MCP7940  

Parts Introduction

Manufacturer Part Number

MCP7940NT-I/MS

Manufacturer

Microchip Technology

Introduction

Microchip Technology's MCP7940NT-I/MS is a compact real-time clock/calendar component designed for time tracking and control applications in a variety of electronic devices.

Product Features and Performance

Clock/Calendar Functionality

Provides Alarm Feature for System Wake-up

Supports Leap Year Compensation

Square Wave Output for External Devices

64 Bytes of SRAM for Data Storage

Time Format: HH:MM:SS with 12/24 Hour Modes

Date Format: YY-MM-DD-dd

Serial Communication via I2C Interface

Product Advantages

Low Timekeeping Current Maximizes Battery Life

Wide Voltage Range for Versatile Power Supply Options

Automatic Switchover to Battery Backup

Temperature Range Suited for Automotive Applications

AEC-Q100 Qualified for High Reliability

Key Technical Parameters

Memory Size: 64 Bytes

Timekeeping Current: 1.2µA @ 3.3V (Max)

Supply Voltage: 1.8V to 5.5V

Battery Voltage: 1.3V to 5.5V

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Automatic Battery Switchover

AEC-Q100 Automotive Qualification

Integrated Leap Year Correction

Compatibility

I2C, 2-Wire Interface Compatibility

Square Wave Output for Peripherals

Application Areas

Automotive Electronics

Consumer Electronics

Portable Devices

Industrial Control Systems

Data Logging Systems

Product Lifecycle

Product Status: Active

Not Nearing Discontinuation

Availability of Replacements or Upgrades Based on Series

Several Key Reasons to Choose This Product

Precision Timing with Minimal Power Consumption

Wide Range of Power Supply Compatibility for Diverse Applications

Feature-rich with Alarms, Calendar, SRAM, and Square Wave Output

High Reliability and Quality with Automotive Grade Qualification

Extensive Temperature Range for Harsh Environments

Support for Battery Backup for Continuous Timekeeping

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MCP7940NT-I/MS

Product Attribute MCP7940NT-I/MS MCP7940N-I/MS MCP7940NT-I/MNY MCP7940NT-E/MS
Part Number MCP7940NT-I/MS MCP7940N-I/MS MCP7940NT-I/MNY MCP7940NT-E/MS
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Memory Size 64B 64B 64B 64B
Date Format YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd YY-MM-DD-dd
Voltage - Supply, Battery 1.3V ~ 5.5V 1.3V ~ 5.5V 1.3V ~ 5.5V 1.3V ~ 5.5V
Package Tape & Reel (TR) Tube Tape & Reel (TR) Tape & Reel (TR)
Base Product Number MCP7940 MCP7940 MCP7940 MCP7940
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 125°C
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-WFDFN Exposed Pad 8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
Supplier Device Package 8-MSOP 8-MSOP 8-TDFN (2x3) 8-MSOP
Current - Timekeeping (Max) 1.2µA @ 3.3V 1.2µA @ 3.3V 1.2µA @ 3.3V 1.2µA @ 3.3V
Type Clock/Calendar Clock/Calendar Clock/Calendar Clock/Calendar
Series Automotive, AEC-Q100 Automotive, AEC-Q100 Automotive, AEC-Q100 Automotive, AEC-Q100
Features Alarm, Leap Year, Square Wave Output, SRAM Alarm, Leap Year, Square Wave Output, SRAM Alarm, Leap Year, Square Wave Output, SRAM Alarm, Leap Year, Square Wave Output, SRAM
Time Format HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr)
Voltage - Supply 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V
Interface I²C, 2-Wire Serial I²C, 2-Wire Serial I²C, 2-Wire Serial I²C, 2-Wire Serial

MCP7940NT-I/MS Datasheet PDF

Download MCP7940NT-I/MS pdf datasheets and Microchip Technology documentation for MCP7940NT-I/MS - Microchip Technology.

Datasheets
I²C™ & SPI Family Brochure.pdf MCP7940N.pdf
PCN Packaging
Packing Changes 10/Oct/2016.pdf Reel Design Update 07/May/2015.pdf
PCN Design/Specification
MCP7940N 08/Apr/2022.pdf MCP7940N 31/Oct/2019.pdf
PCN Assembly/Origin
Mult Devices 28/Nov/2017.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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MCP7940NT-I/MS Image

MCP7940NT-I/MS

Microchip Technology
32D-MCP7940NT-I/MS

Want a better price? Please Add to Cart, we'll contact you immediately.

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