NXP USA Inc.
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PCF8523TS/1,112
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PCF8523TS/1,112

Product Overview

Category

The PCF8523TS/1,112 belongs to the category of integrated circuit (IC) components.

Use

This product is commonly used as a real-time clock/calendar (RTC) module in electronic devices.

Characteristics

  • The PCF8523TS/1,112 offers accurate timekeeping and calendar functions.
  • It has low power consumption, making it suitable for battery-powered devices.
  • The module supports both 12-hour and 24-hour time formats.
  • It includes alarm functionality for scheduling events.
  • The PCF8523TS/1,112 can operate in a wide temperature range.

Package

The PCF8523TS/1,112 is available in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide precise timekeeping and calendar functions in various electronic applications.

Packaging/Quantity

The PCF8523TS/1,112 is typically packaged in reels or tubes, with a quantity of multiple units per package.

Specifications

  • Supply Voltage: 1.8V to 5.5V
  • Timekeeping Accuracy: ±3 minutes per year
  • Operating Temperature Range: -40°C to +85°C
  • Interface: I2C (Inter-Integrated Circuit)
  • Clock Frequency: 32.768 kHz

Detailed Pin Configuration

The PCF8523TS/1,112 features the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground connection
  3. SDA: Serial data line for I2C communication
  4. SCL: Serial clock line for I2C communication
  5. INT: Interrupt output pin
  6. SQW/OUT: Square wave output pin
  7. VBAT: Backup battery input for maintaining timekeeping during power loss

Functional Features

  • Real-time clock with date and timekeeping functions
  • Alarm functionality with programmable interrupt output
  • Power-on reset and low battery detection
  • Square wave output for various timing applications
  • Automatic leap year compensation

Advantages and Disadvantages

Advantages

  • Accurate timekeeping and calendar functions
  • Low power consumption
  • Wide operating temperature range
  • Compact surface-mount package

Disadvantages

  • Limited availability of alternative models
  • Requires external backup battery for maintaining timekeeping during power loss

Working Principles

The PCF8523TS/1,112 utilizes an internal oscillator to generate a precise 32.768 kHz clock frequency. It communicates with the host microcontroller through the I2C interface, enabling control and configuration of its various functions. The module keeps track of time and date using its internal registers and provides accurate timekeeping even during power interruptions.

Detailed Application Field Plans

The PCF8523TS/1,112 finds application in a wide range of electronic devices, including but not limited to: - Smartwatches and wearable devices - Home automation systems - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

While the PCF8523TS/1,112 is a popular choice for real-time clock/calendar modules, there are alternative models available from different manufacturers. Some notable alternatives include: - DS3231 - MCP7940N - RV-8803-C7

These alternative models offer similar functionalities and can be considered based on specific project requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PCF8523TS/1,112 v technických řešeních

  1. What is the operating voltage range of PCF8523TS/1,112?
    - The operating voltage range of PCF8523TS/1,112 is 1.8V to 5.5V.

  2. Can PCF8523TS/1,112 be used for real-time clock (RTC) applications?
    - Yes, PCF8523TS/1,112 is suitable for real-time clock (RTC) applications.

  3. What is the typical accuracy of the timekeeping provided by PCF8523TS/1,112?
    - The typical accuracy of the timekeeping provided by PCF8523TS/1,112 is ±5 ppm.

  4. Does PCF8523TS/1,112 support I2C communication interface?
    - Yes, PCF8523TS/1,112 supports I2C communication interface.

  5. Can PCF8523TS/1,112 operate in temperature extremes?
    - Yes, PCF8523TS/1,112 can operate in temperature extremes ranging from -40°C to +85°C.

  6. Is PCF8523TS/1,112 compatible with battery backup power?
    - Yes, PCF8523TS/1,112 is compatible with battery backup power.

  7. What is the maximum frequency of the square wave output from PCF8523TS/1,112?
    - The maximum frequency of the square wave output from PCF8523TS/1,112 is 1Hz.

  8. Does PCF8523TS/1,112 have programmable alarm functions?
    - Yes, PCF8523TS/1,112 has programmable alarm functions.

  9. Can PCF8523TS/1,112 be used in low-power applications?
    - Yes, PCF8523TS/1,112 is suitable for low-power applications.

  10. Is there a development kit available for evaluating PCF8523TS/1,112 in technical solutions?
    - Yes, there is a development kit available for evaluating PCF8523TS/1,112 in technical solutions.