What is the Additional Feature ?

Name: MCP79401-I/ST
Brand: Microchip Technology
SKU: MCP79401-I/ST
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 MCP79401-I/ST

Part No.:: MCP79401-I/ST

Manufacturer:: Microchip Technology

Package:: 8-TSSOP (0.173, 4.40mm Width)

Datasheet:: MCP79401-I/ST.pdf

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

In Stock:: 3427

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

MCP79401-I/ST Specifications

Package/Case:
8-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
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

MCP79401-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP79401-I/ST 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 MCP79401-I/ST 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.

MCP79401-I/ST information

Views：

Basic introduction and simple engineering application of MCP79401-I/ST

MCP79401-I/ST is a real-time clock/calendar (RTC) IC manufactured by Microchip Technology, providing accurate timekeeping and calendar functionality for various applications. It features battery backup support, alarm functions, and a programmable square-wave output.

Application Scenario:

In electronic projects requiring precise timekeeping, MCP79401-I/ST can be utilized to timestamp events, schedule tasks, and maintain accurate time records.

Circuit Design:

To integrate MCP79401-I/ST into a simple project, follow these steps:

1. Initial Setup:

Connect MCP79401-I/ST to your microcontroller or development board using the I2C communication protocol. Ensure proper pull-up resistors are connected to the SDA and SCL lines for reliable communication.

2. Timekeeping:

Utilize the RTC functionality of MCP79401-I/ST to keep track of time. Configure the initial time and date settings, and implement functions to update the clock registers periodically.

3. Alarm Functionality:

Program alarm settings to trigger specific actions or events at predetermined times. Configure the alarm registers and interrupt handling routines in your microcontroller firmware.

4. Square-Wave Output:

Enable the programmable square-wave output of MCP79401-I/ST to generate periodic clock signals. Connect the SQW pin to an external interrupt input or use it as a clock signal for other circuit components.

5. Battery Backup:

Provide a backup battery to maintain timekeeping functionality during power loss. Connect a coin cell battery to the VBAT pin of MCP79401-I/ST to ensure uninterrupted operation.

Experiment:

To experiment with MCP79401-I/ST and understand its features, try the following:

1. Basic Timekeeping: Write a simple program to read the current time and display it on an LCD or serial monitor.

2. Alarm Trigger: Set an alarm to trigger an LED or buzzer at a specific time. Verify that the alarm functionality works as expected.

3. Square-Wave Output: Connect an oscilloscope or frequency counter to the SQW pin to observe the square-wave output. Experiment with different output frequencies.

4. Power Loss Simulation: Disconnect the main power source and verify that the RTC continues to operate using the backup battery. Reconnect the power and ensure the clock remains accurate.

5. Integration: Integrate MCP79401-I/ST into a larger project, such as a data logging system or a smart home automation device, to experience its versatility in real-world applications.

Considerations:

When using MCP79401-I/ST in projects, consider the following factors:

- Power Consumption: Optimize the firmware to minimize power consumption, especially when running on battery backup.

- Accuracy: Calibrate the RTC periodically to maintain accurate timekeeping, considering factors like temperature drift and aging.

- I2C Communication: Ensure robust error handling and timeout mechanisms in your firmware to handle communication errors or bus contention scenarios.

- Battery Life: Choose a suitable battery type and capacity to ensure extended backup power supply duration without frequent replacements.

- Compatibility: Verify the compatibility of MCP79401-I/ST with your microcontroller or development platform, including voltage levels and I2C interface requirements.

MCP79401-I/ST FAQ

1. How to order MCP79401-I/ST 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 MCP79401-I/ST is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MCP79401-I/ST. All suppliers must pass our qualification reviews before they can publish their products including MCP79401-I/ST on icwhale.com; we pay more attention to the channels and quality of MCP79401-I/ST products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the MCP79401-I/ST price and inventory displayed accurate?

The price and inventory of MCP79401-I/ST 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 MCP79401-I/ST?

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 MCP79401-I/ST we delivered, we will accept the replacement or return of the MCP79401-I/ST 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 MCP79401-I/ST.

(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