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Name: RTC-72421B
Brand: Epson
SKU: RTC-72421B
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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

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Epson RTC-72421B

Part No.:: RTC-72421B

Manufacturer:: Epson

Package:: 18-DIP (0.300, 7.62mm)

Datasheet:: RTC-72421B.pdf

Description:: IC RTC CLK/CALENDAR PAR 18-DIP

In Stock:: 3381

Quantity:: Add To Cart

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RTC-72421B Specifications

Package/Case:
18-DIP (0.300, 7.62mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
5µA ~ 10µA @ 2V ~ 5V
OperatingTemperature:
-10°C ~ 70°C
MountingType:
Through Hole

RTC-72421B this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including RTC-72421B 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 RTC-72421B to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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RTC-72421B information

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Basic introduction and simple engineering application of RTC-72421B

RTC-72421B is a real-time clock (RTC) module commonly used in electronic projects and embedded systems to keep track of time. It provides accurate timekeeping functionality and can be interfaced with microcontrollers for various applications.

Application Scenario:

In a digital clock project, RTC-72421B can be utilized to display the current time and date accurately. Additionally, it can be integrated into data logging systems to timestamp events or measurements.

Circuit Integration:

To incorporate RTC-72421B into a digital clock project, follow these steps:

1. Connection Setup:

Connect the RTC-72421B module to the microcontroller's I2C interface. Typically, this involves connecting the SDA (serial data) and SCL (serial clock) pins of the module to the corresponding pins on the microcontroller.

2. Initialization:

Initialize the microcontroller's I2C peripheral and configure it to communicate with the RTC-72421B module. This includes setting the correct I2C address and baud rate.

3. Time Setting:

Program the microcontroller to read the current time from the RTC-72421B module and display it on an output device, such as an LCD screen or LED display.

4. User Interface:

Design a user interface to set the time and date on the RTC-72421B module. This can be done using buttons or a keypad connected to the microcontroller.

5. Alarm Functionality:

Implement alarm functionality using the RTC-72421B module to trigger events or notifications at specific times. This can be useful for scheduling tasks or reminders.

Experiment Steps:

To understand the functionality of RTC-72421B and its integration into a digital clock project, follow these experimental steps:

1. Hardware Setup:

Connect the RTC-72421B module to a microcontroller development board or breadboard. Ensure proper connections between the module and the microcontroller.

2. Software Configuration:

Write a firmware program for the microcontroller to initialize the I2C communication with the RTC-72421B module and read the current time.

3. Time Display:

Display the current time obtained from the RTC-72421B module on an output device, such as an LCD screen or serial monitor.

4. Time Setting:

Implement functionality to set the time and date on the RTC-72421B module using user input from buttons or a keypad.

5. Alarm Testing:

Test the alarm functionality of the RTC-72421B module by setting alarms at different times and verifying that the corresponding events or notifications are triggered.

Conclusion:

RTC-72421B is a versatile RTC module that provides accurate timekeeping functionality for electronic projects and embedded systems. By following the provided experiment steps, beginners can gain hands-on experience with integrating the module into a digital clock project and exploring its various features.

RTC-72421B FAQ

1. How to order RTC-72421B 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 RTC-72421B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RTC-72421B. All suppliers must pass our qualification reviews before they can publish their products including RTC-72421B on icwhale.com; we pay more attention to the channels and quality of RTC-72421B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the RTC-72421B price and inventory displayed accurate?

The price and inventory of RTC-72421B 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?

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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 RTC-72421B?

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 RTC-72421B we delivered, we will accept the replacement or return of the RTC-72421B 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 RTC-72421B.

(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