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MCP79410T-I/MS
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MCP79410T-I/MS

Product Overview

Category

The MCP79410T-I/MS belongs to the category of Real-Time Clocks (RTCs).

Use

It is used for timekeeping and calendar functions in various electronic devices.

Characteristics

  • Low power consumption
  • I2C interface
  • Battery backup for continuous timekeeping
  • Alarm output with programmable frequency

Package

The MCP79410T-I/MS is available in a 8-pin MSOP package.

Essence

The essence of the MCP79410T-I/MS lies in its accurate timekeeping and low power consumption, making it suitable for battery-powered devices.

Packaging/Quantity

It is typically available in reels of 2500 units.

Specifications

  • Supply Voltage: 1.8V to 5.5V
  • Timekeeping Current: 400nA at 3.0V, 200nA at 1.8V
  • Operating Temperature Range: -40°C to +85°C
  • I2C Bus Interface
  • Alarm Output Pin

Detailed Pin Configuration

The MCP79410T-I/MS has the following pin configuration: 1. VBAT - Battery Input 2. GND - Ground 3. SDA - I2C Data 4. SCL - I2C Clock 5. SQW/INT - Square Wave/Interrupt Output 6. VSS - Ground 7. VDD - Power Supply 8. NC - No Connection

Functional Features

  • Real-time clock/calendar
  • Alarm functions
  • Battery switchover
  • Power-fail timestamp

Advantages

  • Low power consumption extends battery life
  • I2C interface allows for easy integration with microcontrollers
  • Battery backup ensures continuous timekeeping even during power loss

Disadvantages

  • Limited to I2C interface, may not be suitable for systems using other communication protocols
  • Requires an external crystal for timekeeping accuracy

Working Principles

The MCP79410T-I/MS utilizes an internal oscillator and a backup battery to maintain accurate timekeeping. It communicates with the host microcontroller through the I2C interface, allowing the system to read and set the time, configure alarms, and manage power-fail events.

Detailed Application Field Plans

The MCP79410T-I/MS is commonly used in applications such as: - Wearable devices - IoT (Internet of Things) devices - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the MCP79410T-I/MS include: - DS3231 - Another popular RTC with integrated temperature compensation - PCF85263A - RTC with additional tamper detection features - RV-1805-C3 - Ultra-low power RTC with I2C interface

In conclusion, the MCP79410T-I/MS is a versatile RTC offering accurate timekeeping and low power consumption, making it suitable for a wide range of electronic devices.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MCP79410T-I/MS dalam penyelesaian teknikal

  1. What is the operating voltage range of MCP79410T-I/MS?
    - The operating voltage range of MCP79410T-I/MS is 1.8V to 5.5V.

  2. Can MCP79410T-I/MS be used for real-time clock (RTC) applications?
    - Yes, MCP79410T-I/MS is designed for real-time clock (RTC) applications.

  3. What is the typical timekeeping current of MCP79410T-I/MS?
    - The typical timekeeping current of MCP79410T-I/MS is 400nA at 3.0V and 200nA at 2.2V.

  4. Does MCP79410T-I/MS have battery backup for timekeeping?
    - Yes, MCP79410T-I/MS has a battery backup for timekeeping.

  5. What is the temperature range for MCP79410T-I/MS?
    - The temperature range for MCP79410T-I/MS is -40°C to +85°C.

  6. Can MCP79410T-I/MS be interfaced with microcontrollers?
    - Yes, MCP79410T-I/MS can be interfaced with microcontrollers using I2C communication.

  7. Is MCP79410T-I/MS compatible with 5V systems?
    - Yes, MCP79410T-I/MS is compatible with 5V systems.

  8. What is the accuracy of the oscillator in MCP79410T-I/MS?
    - The oscillator in MCP79410T-I/MS has an accuracy of ±20ppm.

  9. Can MCP79410T-I/MS generate alarms and timer events?
    - Yes, MCP79410T-I/MS can generate alarms and timer events.

  10. Is MCP79410T-I/MS RoHS compliant?
    - Yes, MCP79410T-I/MS is RoHS compliant.