What is the Additional Feature ?

Name: MCP79402T-I/MNY
Brand: Microchip Technology
SKU: MCP79402T-I/MNY
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 MCP79402T-I/MNY

Part No.:: MCP79402T-I/MNY

Manufacturer:: Microchip Technology

Package:: 8-WFDFN Exposed Pad

Datasheet:: MCP79402T-I/MNY.pdf

Description:: IC RTC CLK/CALENDAR I2C 8-TDFN

In Stock:: 3969

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

MCP79402T-I/MNY Specifications

Package/Case:
8-WFDFN Exposed Pad
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
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 (Typ) @ 3.3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP79402T-I/MNY this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP79402T-I/MNY 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 MCP79402T-I/MNY 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.

MCP79402T-I/MNY information

Views：

Basic introduction and simple engineering application of MCP79402T-I/MNY

MCP79402T-I/MNY is a highly integrated real-time clock/calendar (RTC) chip manufactured by Microchip Technology. It provides accurate timekeeping and calendar functions, making it suitable for various applications requiring precise timekeeping, such as data logging systems, industrial automation, and consumer electronics.

Basic Introduction:

The MCP79402T-I/MNY integrates a real-time clock/calendar with battery backup, SRAM, EEPROM, and a digital trimming circuit. It operates over a wide voltage range and features low-power consumption, making it ideal for battery-powered applications. The chip communicates with the host microcontroller via the I2C interface, simplifying integration into existing designs.

Application Scenario:

In a simple project scenario, we'll demonstrate how to utilize the MCP79402T-I/MNY to build a digital clock with alarm functionality using an Arduino microcontroller.

Experiment Steps:

1. Hardware Setup:

- Connect the MCP79402T-I/MNY to the Arduino microcontroller using the I2C interface. Wire the SDA pin of the RTC to the Arduino's A4 pin and the SCL pin to the A5 pin.

- Provide power to the MCP79402T-I/MNY by connecting its VCC pin to the Arduino's 5V pin and connecting its GND pin to the Arduino's ground.

- Optionally, connect an external coin cell battery to the MCP79402T-I/MNY to ensure timekeeping continuity during power loss.

2. Software Configuration:

- Install the necessary Arduino libraries for I2C communication and RTC functionality.

- Write Arduino code to initialize the MCP79402T-I/MNY, set the current time, and configure the alarm functionality.

- Implement code to continuously read the current time from the RTC and display it on a connected display, such as an LCD or OLED screen.

3. Alarm Functionality:

- Program the Arduino to monitor the current time and trigger an alarm when a predefined time is reached. This can be achieved by comparing the current time with the alarm time set in the MCP79402T-I/MNY.

- When the alarm is triggered, activate an output signal on the Arduino, such as turning on an LED or activating a buzzer, to indicate the alarm event.

4. Testing and Verification:

- Upload the Arduino code to the microcontroller and power on the system.

- Verify that the RTC initializes correctly, sets the current time accurately, and triggers the alarm at the specified time.

- Test the alarm functionality by setting different alarm times and ensuring consistent triggering.

5. Further Enhancements:

- Expand the project by adding additional features, such as temperature and humidity monitoring using external sensors, or integrating wireless connectivity for remote alarm notifications.

- Experiment with different display options, like seven-segment displays or graphical displays, to enhance the user interface.

Considerations:

- Ensure proper wiring and power supply to the MCP79402T-I/MNY and Arduino to avoid operational issues.

- Handle the MCP79402T-I/MNY with care to prevent damage to the delicate components.

- Follow datasheet guidelines and recommended operating conditions for optimal performance and reliability.

MCP79402T-I/MNY FAQ

1. How to order MCP79402T-I/MNY 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 MCP79402T-I/MNY is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MCP79402T-I/MNY. All suppliers must pass our qualification reviews before they can publish their products including MCP79402T-I/MNY on icwhale.com; we pay more attention to the channels and quality of MCP79402T-I/MNY products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the MCP79402T-I/MNY price and inventory displayed accurate?

The price and inventory of MCP79402T-I/MNY 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 MCP79402T-I/MNY?

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 MCP79402T-I/MNY we delivered, we will accept the replacement or return of the MCP79402T-I/MNY 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 MCP79402T-I/MNY.

(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