What is the Additional Feature ?

Name: MCP7940N-I/ST
Brand: Microchip Technology
SKU: MCP7940N-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 MCP7940N-I/ST

Part No.:: MCP7940N-I/ST

Manufacturer:: Microchip Technology

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

Datasheet:: MCP7940N-I/ST.pdf

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

In Stock:: 3276

Quantity:: Add To Cart

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MCP7940N-I/ST Specifications

Package/Case:
8-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM
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 @ 3.3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP7940N-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP7940N-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 MCP7940N-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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MCP7940N-I/ST information

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Basic introduction and simple engineering application of MCP7940N-I/ST

MCP7940N-I/ST is a Real-Time Clock (RTC) chip manufactured by Microchip Technology, offering accurate timekeeping and calendar functions. It features battery backup, EEPROM, and various configuration options.

Application Scenario:

In electronic projects requiring precise timekeeping, MCP7940N-I/ST can be utilized to timestamp events, schedule tasks, or synchronize operations with real-world time.

Circuit Design:

To incorporate MCP7940N-I/ST into a simple project, follow these steps:

1. Connections:

Connect MCP7940N-I/ST to your microcontroller or development board using the I2C communication protocol. Ensure proper wiring of SDA (Serial Data) and SCL (Serial Clock) pins to the corresponding pins on your controller.

2. Power Supply:

Provide power to MCP7940N-I/ST by connecting VCC and GND pins to the appropriate voltage levels (typically 3.3V or 5V). Ensure proper decoupling capacitors are used for stable operation.

3. Configuration:

Initialize MCP7940N-I/ST with the desired settings using your microcontroller. This may include setting the current time and date, configuring alarm functions, or enabling periodic time updates.

4. Usage:

Integrate MCP7940N-I/ST functionality into your project's firmware. Utilize its timekeeping capabilities to timestamp events, trigger actions based on specific times, or maintain a synchronized clock for data logging applications.

5. Experiment:

To experiment with MCP7940N-I/ST, consider implementing the following tasks:

- Display current time and date on an LCD or OLED display.

- Set alarms to trigger external events, such as turning on LEDs or activating buzzers at specific times.

- Implement a stopwatch or countdown timer functionality using MCP7940N-I/ST's timekeeping capabilities.

Considerations:

When using MCP7940N-I/ST in your projects, keep in mind:

- Backup Battery: Ensure a backup battery is connected to maintain timekeeping functionality during power loss.

- I2C Communication: Handle I2C communication errors gracefully in your firmware to ensure reliable operation.

- Calibration: Periodically calibrate MCP7940N-I/ST to maintain accurate timekeeping over extended periods.

- Environmental Conditions: Consider temperature and humidity variations that may affect MCP7940N-I/ST's performance and reliability.

- Integration: Integrate MCP7940N-I/ST seamlessly into your project's hardware and firmware to maximize its utility and efficiency.

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6. What is the process for return or replacement of MCP7940N-I/ST?

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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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