What is the Additional Feature ?

Name: MCP7940N-I/P
Brand: Microchip Technology
SKU: MCP7940N-I/P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

Cart ( )

lmages are for reference only See Product Specifications

Microchip Technology MCP7940N-I/P

Part No.:: MCP7940N-I/P

Manufacturer:: Microchip Technology

Package:: 8-DIP (0.300, 7.62mm)

Datasheet:: MCP7940N-I/P.pdf

Description:: IC RTC CLK/CALENDAR I2C 8DIP

In Stock:: 304

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

MCP7940N-I/P this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP7940N-I/P price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MCP7940N-I/P to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

Views：

Basic introduction and simple engineering application of MCP7940N-I/P

MCP7940N-I/P is a real-time clock (RTC) module with battery backup, commonly used in electronic devices for accurate timekeeping applications. It features low power consumption, high accuracy, and versatile configuration options, making it suitable for a wide range of time-sensitive applications.

Application Scenario:

In educational projects, MCP7940N-I/P can be utilized to create a simple digital clock with alarm functionality. This project will demonstrate how to build a basic digital clock with an alarm using MCP7940N-I/P.

Hardware Setup:

To create the digital clock with alarm, you will need the following components:

1. MCP7940N-I/P RTC module

2. Arduino Uno or similar microcontroller board

3. 16x2 character LCD display

4. Buzzer or piezo speaker for alarm sound

5. Push buttons for setting the time and alarm

Experiment Steps:

1. Circuit Connections:

Connect the MCP7940N-I/P RTC module to the Arduino board. Wire the LCD display to the Arduino for time display. Connect the buzzer or piezo speaker to the Arduino for alarm sound output. Wire the push buttons to the Arduino for setting the time and alarm.

2. Code Implementation:

Write Arduino code to initialize the RTC module and retrieve current time information. Implement functions to set the time and alarm using the push buttons. Program the Arduino to activate the buzzer when the alarm time matches the current time.

3. Display Setup:

Display the current time on the LCD display using the data obtained from the MCP7940N-I/P RTC module. Ensure the time display is updated regularly to reflect real-time changes.

4. Alarm Functionality:

Set the alarm time using the push buttons and verify that the alarm triggers the buzzer or piezo speaker at the specified time. Implement snooze or alarm stop functionality as desired.

5. Testing and Troubleshooting:

Test the digital clock with alarm under various conditions to ensure proper functionality. Troubleshoot any issues related to timekeeping accuracy, alarm triggering, or button functionality.

Considerations:

- Power Supply: Ensure the Arduino board and RTC module are powered adequately to maintain continuous operation of the digital clock with alarm.

- User Interface Design: Design an intuitive user interface using the LCD display and push buttons for easy time setting and alarm configuration.

- Alarm Sound: Choose an appropriate buzzer or piezo speaker for the alarm sound output, considering factors such as volume and tone.

- Alarm Accuracy: Verify the accuracy of the alarm triggering mechanism to ensure reliable performance in waking users at the specified time.

- Backup Battery: Ensure the backup battery in the MCP7940N-I/P RTC module is installed and functioning correctly to maintain timekeeping during power outages.

MCP7940N-I/P information

MCP7940N-I/P Specifications

Package/Case:
8-DIP (0.300, 7.62mm)
Packaging:
Tube
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM
MemorySize:
64B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
1.8V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 5.5V
Current-Timekeeping(Max):
1.2µA @ 3.3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Through Hole

MCP7940N-I/P FAQ

1. How to order MCP7940N-I/P on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that MCP7940N-I/P is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MCP7940N-I/P. All suppliers must pass our qualification reviews before they can publish their products including MCP7940N-I/P on icwhale.com; we pay more attention to the channels and quality of MCP7940N-I/P products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the MCP7940N-I/P price and inventory displayed accurate?

The price and inventory of MCP7940N-I/P fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of MCP7940N-I/P?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MCP7940N-I/P we delivered, we will accept the replacement or return of the MCP7940N-I/P only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MCP7940N-I/P.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations