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PT7C4311WE
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PT7C4311WE

Product Overview

Category

The PT7C4311WE belongs to the category of real-time clock (RTC) ICs.

Use

It is used for timekeeping and synchronization in various electronic devices.

Characteristics

  • Low power consumption
  • Integrated crystal
  • I2C interface
  • Battery backup

Package

The PT7C4311WE comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of PT7C4311WE lies in its accurate timekeeping and low power consumption, making it suitable for battery-powered devices.

Packaging/Quantity

The PT7C4311WE is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

  • Operating Voltage: 1.3V to 5.5V
  • Time Accuracy: ±2 minutes per month at 25°C
  • Operating Temperature Range: -40°C to 85°C
  • I2C Bus Interface
  • Battery Backup Input

Detailed Pin Configuration

The PT7C4311WE has 8 pins: 1. VCC 2. GND 3. SDA (I2C Data) 4. SCL (I2C Clock) 5. X1 (Crystal Connection) 6. X2 (Crystal Connection) 7. VBAT (Battery Backup) 8. RST (Reset)

Functional Features

  • Real-time clock with calendar
  • Automatic leap year compensation
  • Battery switchover and low battery detection
  • Programmable square wave output

Advantages

  • Integrated crystal reduces external components
  • Low power consumption extends battery life
  • Wide operating voltage range allows for flexibility in design

Disadvantages

  • Limited time accuracy compared to higher-end RTC ICs
  • Requires an external crystal for timekeeping

Working Principles

The PT7C4311WE utilizes an integrated crystal oscillator to keep track of time. It communicates with the host microcontroller through the I2C interface, allowing for easy integration into various systems. The battery backup ensures that timekeeping continues even when the main power source is disconnected.

Detailed Application Field Plans

The PT7C4311WE is commonly used in applications such as: - Portable consumer electronics - Wearable devices - IoT devices - Embedded systems

Detailed and Complete Alternative Models

Some alternative models to PT7C4311WE include: - DS3231 - MCP79410 - PCF85263A

In conclusion, the PT7C4311WE is a reliable real-time clock IC with low power consumption and integrated features, making it suitable for a wide range of electronic devices.

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技術ソリューションにおける PT7C4311WE の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the PT7C4311WE?

    • The PT7C4311WE is a real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO).

  2. What are the key features of the PT7C4311WE?

    • The key features include a wide operating voltage range, low power consumption, I2C interface, and a built-in temperature sensor.

  3. How can the PT7C4311WE be used in technical solutions?

    • It can be used to provide accurate timekeeping for various applications such as industrial automation, consumer electronics, and IoT devices.

  4. What is the operating voltage range of the PT7C4311WE?

    • The operating voltage range is typically from 1.6V to 5.5V.

  5. Does the PT7C4311WE have a battery backup feature?

    • Yes, it has a battery backup input to ensure continuous operation during power outages.

  6. Can the PT7C4311WE be interfaced with microcontrollers?

    • Yes, it has an I2C interface which allows easy integration with microcontrollers and other digital systems.

  7. What is the accuracy of the PT7C4311WE's timekeeping?

    • The accuracy is typically within a few seconds per month.

  8. Is the PT7C4311WE suitable for low-power applications?

    • Yes, it has a low power consumption mode which makes it ideal for battery-powered devices.

  9. Does the PT7C4311WE have any built-in calibration features?

    • Yes, it has a built-in temperature sensor and compensation circuitry for automatic calibration.

  10. Are there any application notes or reference designs available for using the PT7C4311WE?

    • Yes, the manufacturer provides application notes and reference designs to assist in integrating the PT7C4311WE into various technical solutions.