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Name: MCP795B22T-I/SL
Brand: Microchip Technology
SKU: MCP795B22T-I/SL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology MCP795B22T-I/SL

Part No.:: MCP795B22T-I/SL

Manufacturer:: Microchip Technology

Package:: 14-SOIC (0.154, 3.90mm Width)

Datasheet:: MCP795B22T-I/SL.pdf

Description:: IC RTC CLK/CALENDAR SPI 14-SOIC

In Stock:: 3343

Quantity:: Add To Cart

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MCP795B22T-I/SL Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer
MemorySize:
64B
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
1.8V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 5.5V
Current-Timekeeping(Max):
1µA @ 1.8V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP795B22T-I/SL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP795B22T-I/SL 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 MCP795B22T-I/SL 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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MCP795B22T-I/SL information

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Basic introduction and simple engineering application of MCP795B22T-I/SL

MCP795B22T-I/SL is a real-time clock (RTC) module manufactured by Microchip Technology Inc. It provides accurate timekeeping and calendar functionality, making it suitable for a wide range of applications, including embedded systems, IoT devices, and consumer electronics.

Introduction:

The MCP795B22T-I/SL RTC module integrates a 64-bit EEPROM for storing user data, such as configuration settings and alarm parameters. It operates from a 1.8V to 5.5V power supply and consumes minimal power, making it ideal for battery-powered applications.

Application Scenario:

In a simple project, the MCP795B22T-I/SL can be utilized to create a digital clock with alarm functionality. Let's explore how to implement this project:

Experiment Steps:

1. Hardware Setup:

- Connect the VCC pin of the MCP795B22T-I/SL module to a regulated power supply within the specified voltage range.

- Connect the GND pin to the ground of the circuit.

- Connect the SDA pin to the I2C data line of the microcontroller.

- Connect the SCL pin to the I2C clock line of the microcontroller.

- Optionally, connect a backup power source, such as a coin cell battery, to the VBAT pin for maintaining timekeeping during power loss.

2. Software Implementation:

- Initialize the I2C communication protocol on the microcontroller.

- Configure the microcontroller to communicate with the MCP795B22T-I/SL RTC module using the I2C interface.

- Set the current time and date on the RTC module by sending appropriate commands and data packets.

- Program alarm settings if desired, specifying the time and date for triggering the alarm.

3. Clock Display:

- Interface a display device, such as an LCD or LED display, with the microcontroller to show the current time read from the MCP795B22T-I/SL RTC module.

- Continuously update the display with the current time retrieved from the RTC module.

4. Alarm Functionality:

- Implement alarm handling routines in the microcontroller firmware to respond to alarm triggers from the MCP795B22T-I/SL RTC module.

- Activate external indicators, such as sound alarms or flashing LEDs, when the alarm condition is met.

5. Testing and Debugging:

- Test the functionality of the digital clock and alarm system under various conditions, including power cycling and alarm triggering scenarios.

- Debug any issues related to communication errors, incorrect timekeeping, or alarm triggering failures.

Considerations:

- Ensure proper pull-up resistors are connected to the SDA and SCL lines for reliable I2C communication.

- Handle I2C communication errors gracefully to prevent system crashes or data corruption.

- Implement power-saving strategies, such as reducing the frequency of RTC updates, to prolong battery life in portable applications.

- Consider adding additional features, such as temperature compensation or daylight saving time adjustment, to enhance the functionality of the digital clock system.

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6. What is the process for return or replacement of MCP795B22T-I/SL?

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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.

(2)We are informed of the defect described above within 90 days after the delivery of MCP795B22T-I/SL.

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