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PCF8576CTT/1,118

PCF8576CTT/1,118

Product Overview

Category

The PCF8576CTT/1,118 belongs to the category of semiconductor integrated circuits.

Use

It is commonly used as an I/O expander for microcontroller-based systems.

Characteristics

  • 16-bit remote I/O expander for I2C-bus with interrupt
  • Low stand-by current consumption of 10 µA (max)
  • Operating supply voltage range of 2.5 V to 6 V
  • Open-drain interrupt output
  • Address by 3 hardware address pins for use in a network of up to eight identical devices
  • Latched outputs with high-current drive capability for directly driving LEDs
  • Directly drives LCDs with up to 40 segments and 4 commons
  • ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101

Package

The PCF8576CTT/1,118 is available in a TSSOP24 package.

Essence

This product serves as an interface between a microcontroller and various input/output devices, expanding the number of I/O ports available to the microcontroller.

Packaging/Quantity

The PCF8576CTT/1,118 is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 2.5 V to 6 V
  • Input/Output Voltage: 0 V to VCC
  • Standby Current: 10 µA max
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: TSSOP24

Detailed Pin Configuration

The PCF8576CTT/1,118 features the following pin configuration: 1. SDA (Serial Data Input/Output) 2. SCL (Serial Clock Input) 3. A0 (Address Input) 4. A1 (Address Input) 5. A2 (Address Input) 6. INT (Interrupt Output) 7. GND (Ground) 8. P0-P7 (I/O Ports) 9. P8-P15 (I/O Ports) 10. VCC (Supply Voltage)

Functional Features

The PCF8576CTT/1,118 offers the following functional features: - Remote I/O expansion through the I2C-bus - Low stand-by current consumption - Addressing flexibility for use in a network of multiple devices - High-current drive capability for driving LEDs - Direct LCD driving capability

Advantages and Disadvantages

Advantages

  • Low stand-by current consumption
  • Flexible addressing for networked applications
  • High-current drive capability for LEDs
  • Direct LCD driving capability

Disadvantages

  • Limited to 16 I/O ports
  • Requires understanding of I2C-bus protocol for effective use

Working Principles

The PCF8576CTT/1,118 operates by receiving commands and data from a microcontroller via the I2C-bus, and then controlling the input/output ports and generating interrupts based on the configured settings.

Detailed Application Field Plans

The PCF8576CTT/1,118 finds application in various fields including: - Industrial automation - Consumer electronics - Automotive electronics - Medical devices - Instrumentation and measurement equipment

Detailed and Complete Alternative Models

Some alternative models to the PCF8576CTT/1,118 include: - MCP23017 - MAX7311 - SX1509 - PCA9555

In summary, the PCF8576CTT/1,118 is a versatile I/O expander with various applications across different industries, offering flexibility and high-current drive capabilities for interfacing with microcontrollers.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af PCF8576CTT/1,118 i tekniske løsninger

  1. What is the maximum voltage supply for PCF8576CTT/1,118?
    - The maximum voltage supply for PCF8576CTT/1,118 is 6V.

  2. Can PCF8576CTT/1,118 be used with both LCD and LED displays?
    - Yes, PCF8576CTT/1,118 can be used with both LCD and LED displays.

  3. What is the maximum frequency of the I2C bus supported by PCF8576CTT/1,118?
    - The maximum frequency of the I2C bus supported by PCF8576CTT/1,118 is 400kHz.

  4. Is PCF8576CTT/1,118 suitable for automotive applications?
    - Yes, PCF8576CTT/1,118 is suitable for automotive applications.

  5. Can PCF8576CTT/1,118 be used in temperature-sensitive environments?
    - Yes, PCF8576CTT/1,118 can be used in temperature-sensitive environments as it has a wide operating temperature range.

  6. What are the typical applications of PCF8576CTT/1,118 in industrial settings?
    - Typical applications of PCF8576CTT/1,118 in industrial settings include control panels, instrumentation, and display systems.

  7. Does PCF8576CTT/1,118 support cascading for larger display applications?
    - Yes, PCF8576CTT/1,118 supports cascading for larger display applications.

  8. What is the maximum number of segments that can be driven by PCF8576CTT/1,118?
    - PCF8576CTT/1,118 can drive up to 64 segments.

  9. Can PCF8576CTT/1,118 operate in low-power modes?
    - Yes, PCF8576CTT/1,118 can operate in low-power modes to conserve energy.

  10. Are there any known compatibility issues with specific microcontrollers when using PCF8576CTT/1,118?
    - There are no known compatibility issues with specific microcontrollers when using PCF8576CTT/1,118.