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MCP795B10T-I/SL
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MCP795B10T-I/SL

Product Overview

Category

The MCP795B10T-I/SL belongs to the category of Real-Time Clocks (RTCs).

Use

This product is primarily used for timekeeping and synchronization purposes in various electronic devices.

Characteristics

  • High accuracy timekeeping
  • Low power consumption
  • Integrated oscillator compensation
  • Battery backup support
  • I2C interface for communication

Package

The MCP795B10T-I/SL is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide accurate timekeeping functionality with low power consumption, making it suitable for battery-powered devices.

Packaging/Quantity

The MCP795B10T-I/SL is typically packaged in reels containing 2500 units.

Specifications

  • Supply Voltage: 1.8V to 5.5V
  • Timekeeping Accuracy: ±1 minute per month
  • Operating Temperature Range: -40°C to +85°C
  • I2C Bus Frequency: Up to 400 kHz
  • Battery Backup Voltage: 1.3V to 5.5V

Detailed Pin Configuration

The MCP795B10T-I/SL has a total of 8 pins:

  1. VSS - Ground
  2. VBAT - Battery Backup Voltage Input
  3. SDA - Serial Data Line (I2C)
  4. SCL - Serial Clock Line (I2C)
  5. SQW/INT - Square Wave Output / Interrupt Output
  6. VDD - Supply Voltage
  7. XOUT - Crystal Oscillator Output
  8. XIN - Crystal Oscillator Input

Functional Features

  • Real-time clock with calendar functionality
  • Alarm and timer functions
  • Power-fail timestamp
  • Programmable square wave output
  • Battery backup support for timekeeping during power loss

Advantages and Disadvantages

Advantages

  • High accuracy timekeeping
  • Low power consumption
  • Integrated oscillator compensation improves accuracy
  • Flexible I2C interface for easy integration
  • Battery backup ensures uninterrupted timekeeping

Disadvantages

  • Limited quantity of square wave frequencies available
  • Relatively small package size may require careful handling during assembly

Working Principles

The MCP795B10T-I/SL utilizes an internal oscillator to keep track of time. It synchronizes with an external crystal oscillator for improved accuracy. The device communicates with the host microcontroller through the I2C interface, allowing for easy configuration and retrieval of time information.

During normal operation, the MCP795B10T-I/SL draws minimal current from the power supply. In case of a power failure, the integrated battery backup ensures that the clock continues to function accurately.

Detailed Application Field Plans

The MCP795B10T-I/SL finds applications in various electronic devices that require precise timekeeping. Some potential application fields include:

  1. Consumer Electronics: Smartphones, tablets, digital cameras
  2. Industrial Automation: Programmable logic controllers (PLCs), data loggers
  3. Automotive: Dashboard clocks, infotainment systems
  4. Medical Devices: Patient monitoring systems, medical equipment
  5. Internet of Things (IoT): Smart home automation, wearable devices

Detailed and Complete Alternative Models

  1. DS3231 - Real-Time Clock Module by Maxim Integrated
  2. PCF8563 - Real-Time Clock by NXP Semiconductors
  3. DS1307 - Serial Real-Time Clock by Maxim Integrated
  4. RV-8803-C7 - Real-Time Clock Module by Micro Crystal AG

These alternative models offer similar functionality and can be considered as alternatives to the MCP795B10T-I/SL.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MCP795B10T-I/SL en soluciones técnicas

  1. What is the operating voltage range of MCP795B10T-I/SL?
    - The operating voltage range of MCP795B10T-I/SL is 1.8V to 5.5V.

  2. Can MCP795B10T-I/SL operate in extreme temperatures?
    - Yes, MCP795B10T-I/SL can operate in a wide temperature range from -40°C to 125°C.

  3. What is the typical accuracy of MCP795B10T-I/SL's real-time clock (RTC)?
    - The typical accuracy of MCP795B10T-I/SL's RTC is ±2 minutes per month at 25°C.

  4. Does MCP795B10T-I/SL have battery backup for the RTC?
    - Yes, MCP795B10T-I/SL has a battery backup input for the RTC.

  5. Can MCP795B10T-I/SL be used in low-power applications?
    - Yes, MCP795B10T-I/SL has a low-power standby mode with a typical current consumption of 500nA.

  6. What communication interfaces does MCP795B10T-I/SL support?
    - MCP795B10T-I/SL supports I2C and SPI communication interfaces.

  7. Is MCP795B10T-I/SL compatible with 3.3V microcontrollers?
    - Yes, MCP795B10T-I/SL is compatible with 3.3V microcontrollers.

  8. What is the package type of MCP795B10T-I/SL?
    - MCP795B10T-I/SL is available in a 8-pin SOIC package.

  9. Can MCP795B10T-I/SL generate alarms based on time or date?
    - Yes, MCP795B10T-I/SL can generate alarms based on time or date.

  10. Is MCP795B10T-I/SL RoHS compliant?
    - Yes, MCP795B10T-I/SL is RoHS compliant.