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Name: MCP79400-I/ST
Brand: Microchip Technology
SKU: MCP79400-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.

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Microchip Technology MCP79400-I/ST

Part No.:: MCP79400-I/ST

Manufacturer:: Microchip Technology

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

Datasheet:: MCP79400-I/ST.pdf

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

In Stock:: 3030

Quantity:: Add To Cart

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MCP79400-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

MCP79400-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP79400-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 MCP79400-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.

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MCP79400-I/ST information

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Basic introduction and simple engineering application of MCP79400-I/ST

MCP79400-I/ST is a highly integrated real-time clock/calendar (RTC) chip manufactured by Microchip Technology. It is commonly used in electronic devices and embedded systems to keep track of time and date accurately.

Basic Introduction:

The MCP79400-I/ST RTC chip features a 64-byte battery-backed SRAM (NVSRAM), a digital trimming circuit, and a built-in 32.768 kHz crystal oscillator. It communicates with the host microcontroller via the I2C interface, making it easy to integrate into various projects.

Application in Simple Projects:

In a simple project, we can utilize the MCP79400-I/ST RTC chip to add timekeeping functionality to a microcontroller-based system, such as a digital clock or a data logger. Let's explore how to integrate and use this chip in a basic project.

Experiment Steps:

1. Circuit Connection:

Connect the MCP79400-I/ST RTC chip to the microcontroller using the I2C bus. Wire the SDA (Serial Data) and SCL (Serial Clock) pins of the chip to the corresponding pins on the microcontroller.

2. Power Supply:

Provide power to the MCP79400-I/ST chip by connecting the VCC pin to a suitable power source, typically 3.3V or 5V depending on the microcontroller's voltage level.

3. Battery Backup:

Ensure continuity of timekeeping by connecting a backup battery, such as a coin cell battery, to the VBAT pin of the MCP79400-I/ST chip. This allows the RTC to maintain timekeeping even when the main power is disconnected.

4. Initialization:

In the microcontroller firmware, initialize the I2C interface and communicate with the MCP79400-I/ST chip to set the current time and date. This involves writing to the appropriate registers of the RTC chip.

5. Timekeeping:

Periodically read the time and date from the MCP79400-I/ST RTC chip to update the display or log data as required by your project. Implement algorithms to handle timekeeping tasks efficiently.

6. Alarm Functionality:

Utilize the alarm features of the MCP79400-I/ST chip to trigger events at specific times. This could be used, for example, to activate an alarm or switch on a device at a predetermined time.

Conclusion:

In this basic project, we have demonstrated how to incorporate the MCP79400-I/ST RTC chip into a microcontroller-based system for accurate timekeeping. By following these steps, beginners can learn the fundamentals of working with RTCs and expand their knowledge to more advanced projects.

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