Diodes Incorporated
চিত্রটি উপস্থাপনা হতে পারে৷
পণ্যের বিবরণের জন্য স্পেসিফিকেশন দেখুন৷.
PT7C4511WE
বিস্তারিত দেখুন ডেটাশিট

PT7C4511WE

Overview

Category

PT7C4511WE belongs to the category of integrated circuits (ICs).

Use

PT7C4511WE is commonly used as a real-time clock (RTC) in various electronic devices.

Characteristics

  • PT7C4511WE is a low-power RTC with built-in crystal oscillator.
  • It operates on a wide voltage range, making it suitable for different applications.
  • The package size is small, allowing for easy integration into compact designs.
  • It has a high accuracy and stability in timekeeping.

Package

PT7C4511WE is available in a surface-mount package, typically in a 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of PT7C4511WE lies in its ability to accurately keep track of time and provide real-time clock functionality to electronic devices.

Packaging/Quantity

PT7C4511WE is usually packaged in reels or tubes, with a typical quantity of 2500 units per reel or tube.

Specifications and Parameters

  • Supply Voltage: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Timekeeping Accuracy: ±2 minutes per month at 25°C
  • Clock Frequency: 32.768 kHz
  • Battery Backup Voltage: 1.3V to 5.5V

Pin Configuration

The pin configuration of PT7C4511WE is as follows:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 4 │ 5 │ └───┴───┘

Pin 1: VCC - Power supply voltage input Pin 4: GND - Ground Pin 5: SDA - Serial Data Line Pin 8: SCL - Serial Clock Line

Functional Characteristics

PT7C4511WE provides the following functional characteristics:

  • Real-time clock with calendar functionality
  • Timekeeping accuracy and stability
  • Battery backup for timekeeping during power loss
  • Alarm function
  • Programmable square wave output

Advantages and Disadvantages

Advantages

  • Low power consumption
  • Wide operating voltage range
  • Small package size for easy integration
  • High accuracy in timekeeping

Disadvantages

  • Limited temperature range for operation (-40°C to +85°C)
  • Requires an external battery for backup

Applicable Range of Products

PT7C4511WE is suitable for a wide range of electronic devices that require real-time clock functionality, such as:

  • Consumer electronics (e.g., digital cameras, smartphones)
  • Home appliances (e.g., microwave ovens, washing machines)
  • Automotive systems (e.g., car audio systems, navigation systems)
  • Industrial equipment (e.g., programmable logic controllers, data loggers)

Working Principles

PT7C4511WE utilizes a crystal oscillator to generate a stable clock signal. It keeps track of time by counting the oscillations of the crystal and maintains accurate time even during power loss using an external battery.

Detailed Application Field Plans

PT7C4511WE can be used in various applications, including:

  1. Digital Cameras: PT7C4511WE can provide accurate time stamps for captured photos and videos.
  2. Smartphones: It enables time synchronization for call logs, messages, and other time-sensitive functions.
  3. Microwave Ovens: PT7C4511WE can be used to display the current time and provide accurate timing for cooking programs.
  4. Car Audio Systems: It allows for accurate time display and synchronization with other vehicle systems.
  5. Data Loggers: PT7C4511WE can be used to timestamp recorded data for analysis and monitoring purposes.

Detailed Alternative Models

Some alternative models to PT7C4511WE include:

  • DS1307
  • PCF8563
  • MCP7940N
  • RV-8803-C7
  • ISL12022M

5 Common Technical Questions and Answers

  1. Q: What is the operating voltage range of PT7C4511WE? A: PT7C4511WE operates on a voltage range of 2.7V to 5.5V.

  2. Q: Can PT7C4511WE keep accurate time during power loss? A: Yes, PT7C4511WE has a battery backup feature that allows it to maintain accurate time even when the power is lost.

  3. Q: What is the timekeeping accuracy of PT7C4511WE?