What is the Additional Feature ?

Name: MCP7940M-I/SN
Brand: Microchip Technology
SKU: MCP7940M-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 MCP7940M-I/SN

Part No.:: MCP7940M-I/SN

Manufacturer:: Microchip Technology

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

Datasheet:: MCP7940M-I/SN.pdf

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

In Stock:: 2293

Quantity:: Add To Cart

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MCP7940M-I/SN Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
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:
-
Current-Timekeeping(Max):
1µA @ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP7940M-I/SN this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP7940M-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 MCP7940M-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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MCP7940M-I/SN information

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Basic introduction and simple engineering application of MCP7940M-I/SN

MCP7940M-I/SN is a Real-Time Clock (RTC) module designed by Microchip Technology, offering accurate timekeeping and calendar functionality. It integrates a battery backup input, which maintains timekeeping even in the absence of main power.

Application Scenario:

In various electronic projects, MCP7940M-I/SN can be utilized for tasks requiring accurate timekeeping, such as logging sensor data, scheduling tasks, or controlling events based on specific times.

Circuit Design:

To create a simple project using MCP7940M-I/SN, follow these steps:

1. MCP7940M-I/SN Connection:

Connect MCP7940M-I/SN to your microcontroller or development board using the Inter-Integrated Circuit (I2C) protocol. Ensure proper connections to the SDA (data) and SCL (clock) lines, as well as connecting VCC and GND.

2. Setting Time:

Utilize the microcontroller to communicate with MCP7940M-I/SN and set the current time and date. This can be achieved by sending appropriate commands and data over the I2C bus.

3. Reading Time:

Implement code on the microcontroller to periodically read the time and date from MCP7940M-I/SN. This information can be displayed on an LCD screen, serial monitor, or any other output device.

4. Alarm Functionality:

Explore the alarm features of MCP7940M-I/SN by setting alarms for specific times or dates. This can trigger actions in your project, such as activating a relay, sending notifications, or recording data.

5. Backup Power:

Test the backup power functionality by temporarily disconnecting the main power source. Verify that MCP7940M-I/SN continues to keep accurate time using the backup battery.

Considerations:

When working with MCP7940M-I/SN, keep in mind the following:

- I2C Communication: Understand and adhere to the I2C protocol specifications when interfacing with MCP7940M-I/SN to ensure reliable communication.

- Battery Selection: Choose an appropriate backup battery for MCP7940M-I/SN to ensure sufficient backup power for maintaining timekeeping during power outages.

- Integration with Microcontroller: Ensure compatibility between MCP7940M-I/SN and your microcontroller or development board, and verify proper voltage levels and logic compatibility.

- Timekeeping Accuracy: Periodically check and calibrate MCP7940M-I/SN to maintain accurate timekeeping, especially if long-term precision is required for your project.

- Environmental Considerations: Shield MCP7940M-I/SN and its connections from environmental factors like moisture, dust, and temperature extremes to ensure reliable operation over time.

MCP7940M-I/SN FAQ

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6. What is the process for return or replacement of MCP7940M-I/SN?

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 MCP7940M-I/SN we delivered, we will accept the replacement or return of the MCP7940M-I/SN 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 MCP7940M-I/SN.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations