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Name: MCP79400T-I/SN
Brand: Microchip Technology
SKU: MCP79400T-I/SN
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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Microchip Technology MCP79400T-I/SN

Part No.:: MCP79400T-I/SN

Manufacturer:: Microchip Technology

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: MCP79400T-I/SN.pdf

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

In Stock:: 2966

Quantity:: Add To Cart

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MCP79400T-I/SN Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
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

MCP79400T-I/SN this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP79400T-I/SN 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 MCP79400T-I/SN 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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MCP79400T-I/SN information

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Basic introduction and simple engineering application of MCP79400T-I/SN

MCP79400T-I/SN is a real-time clock/calendar (RTCC) with EEPROM, featuring battery backup and digital trimming for accuracy. It is commonly used in embedded systems for timekeeping and timestamping applications.

Application Scenario:

In a simple project, MCP79400T-I/SN can be utilized to create a digital clock with alarm functionality. This project will help beginners understand how to interface with the RTCC and utilize its features in a practical application.

Circuit Design:

To create a digital clock using MCP79400T-I/SN, follow these steps:

1. Connection Setup:

Connect the necessary components to the MCP79400T-I/SN, including a microcontroller (such as an Arduino), a 32.768 kHz crystal oscillator, and a backup battery. Ensure proper connections are made according to the datasheet.

2. Initialization:

Initialize the MCP79400T-I/SN RTCC in the microcontroller code. This involves configuring the RTCC settings, such as time format (12-hour or 24-hour), alarm settings, and square wave output if desired.

3. Time Display:

Display the current time from the MCP79400T-I/SN RTCC on a digital display, such as an LCD or LED display. Use the microcontroller to read the time registers from the RTCC and format them for display.

4. Alarm Functionality:

Implement alarm functionality using the MCP79400T-I/SN RTCC. Set an alarm time in the RTCC registers and configure the microcontroller to trigger an action (such as sounding a buzzer) when the alarm time is reached.

5. User Interface:

Enhance the project with a user interface, allowing users to set the time and alarm settings using buttons or a rotary encoder. Implement logic in the microcontroller code to update the MCP79400T-I/SN registers accordingly.

Experiment Steps:

To conduct this experiment, follow these steps:

Step 1: Connect the MCP79400T-I/SN to the microcontroller according to the datasheet.

Step 2: Write code to initialize the MCP79400T-I/SN and read the current time.

Step 3: Display the current time on a digital display connected to the microcontroller.

Step 4: Implement alarm functionality by setting an alarm time in the MCP79400T-I/SN registers and triggering an action when the alarm time is reached.

Step 5: Test the project by setting the time and alarm using the user interface and verifying the functionality.

Considerations:

When working with MCP79400T-I/SN in a project, consider the following:

- Power Supply: Ensure stable power is supplied to the MCP79400T-I/SN and associated components, especially during battery backup operation.

- Crystal Oscillator: Use a high-quality 32.768 kHz crystal oscillator for accurate timekeeping.

- Backup Battery: Install a backup battery to maintain timekeeping functionality during power outages or when the main power source is disconnected.

- Interrupt Handling: Implement proper interrupt handling in the microcontroller code to respond to alarm triggers and other events from the MCP79400T-I/SN.

- User Interface Design: Design an intuitive user interface for setting the time and alarm settings, considering the limitations of the microcontroller and display hardware.

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6. What is the process for return or replacement of MCP79400T-I/SN?

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

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