Diodes Incorporated
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PT7C4339WEX
צפה בפרטים DataSheets

PT7C4339WEX

Product Overview

Category: Integrated Circuit
Use: Real-time Clock (RTC)
Characteristics: Low power consumption, high accuracy
Package: 8-pin SOIC
Essence: Provides accurate timekeeping for various applications
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Operating Voltage: 1.3V to 5.5V
  • Timekeeping Current: 600nA at 3.3V
  • I2C Interface
  • Operating Temperature Range: -40°C to +85°C
  • Accuracy: ±2 minutes per year

Detailed Pin Configuration

  1. VCC
  2. GND
  3. SCL
  4. SDA
  5. INT/SQW
  6. NC
  7. NC
  8. NC

Functional Features

  • Battery backup input for continuous timekeeping
  • Programmable square-wave output
  • Alarm function with interrupt output
  • Automatic leap year compensation

Advantages

  • Low power consumption extends battery life
  • Wide operating voltage range allows flexibility in design
  • High accuracy ensures reliable timekeeping

Disadvantages

  • Limited number of alarm registers
  • Lack of temperature compensation

Working Principles

The PT7C4339WEX utilizes a quartz crystal oscillator to generate the clock signal and maintains accurate timekeeping by counting seconds, minutes, hours, days, months, and years. The integrated circuit also includes features such as alarm functions and leap year compensation to enhance its functionality.

Detailed Application Field Plans

The PT7C4339WEX is suitable for a wide range of applications including: - Wearable devices - IoT (Internet of Things) devices - Consumer electronics - Industrial automation systems - Medical equipment

Detailed and Complete Alternative Models

  1. DS3231 - Real-Time Clock (RTC) IC
  2. MCP79410 - I2C Real-Time Clock/Calendar

In conclusion, the PT7C4339WEX is a versatile real-time clock integrated circuit that offers high accuracy and low power consumption, making it an ideal choice for various electronic applications.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של PT7C4339WEX בפתרונות טכניים

  1. What is PT7C4339WEX?

    • PT7C4339WEX is a real-time clock (RTC) module with integrated crystal, offering accurate timekeeping and low power consumption.

  2. What are the key features of PT7C4339WEX?

    • The key features include a built-in 32.768 kHz quartz crystal, I2C interface, low operating current, and automatic leap year compensation.

  3. How do I interface with PT7C4339WEX in my technical solution?

    • You can interface with PT7C4339WEX using the I2C communication protocol, which allows for easy integration with microcontrollers and other digital systems.

  4. What is the accuracy of PT7C4339WEX?

    • PT7C4339WEX offers high accuracy timekeeping with typical accuracy of ±20 ppm at room temperature.

  5. Can PT7C4339WEX operate in low power modes?

    • Yes, PT7C4339WEX is designed for low power operation, making it suitable for battery-powered applications.

  6. Does PT7C4339WEX support alarm functions?

    • Yes, PT7C4339WEX includes alarm functions, allowing you to set specific times for triggering events or notifications.

  7. Is PT7C4339WEX suitable for automotive applications?

    • Yes, PT7C4339WEX is AEC-Q100 qualified, making it suitable for automotive applications that require reliable timekeeping.

  8. What is the operating voltage range of PT7C4339WEX?

    • PT7C4339WEX operates within a wide voltage range of 1.3V to 5.5V, making it compatible with various power supply configurations.

  9. Can PT7C4339WEX be used in industrial temperature environments?

    • Yes, PT7C4339WEX is designed to operate reliably across industrial temperature ranges, making it suitable for harsh environments.

  10. Are there any application notes or reference designs available for PT7C4339WEX?

    • Yes, you can find application notes and reference designs from the manufacturer's website, providing guidance on integrating PT7C4339WEX into your technical solutions.