PCF8576CT/1,118

Product Overview

Category

The PCF8576CT/1,118 belongs to the category of semiconductor integrated circuits.

Use

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

Characteristics

• The PCF8576CT/1,118 features 40 output pins and 64 input pins.
• It is designed to provide a simple solution for controlling various display functions in automotive and industrial applications.

Package

The PCF8576CT/1,118 is available in a TSSOP package.

Essence

This product serves as a versatile interface between a microcontroller and various display devices.

Packaging/Quantity

The PCF8576CT/1,118 is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

• Operating Voltage: 2.5V to 6V
• Input/Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Maximum Clock Frequency: 400kHz

Detailed Pin Configuration

The PCF8576CT/1,118 features a total of 80 pins, including 40 output pins and 40 input pins. The pin configuration is as follows: - Pins 1-20: Output Pins - Pins 21-60: Input Pins - Pins 61-80: Ground and Power Supply Pins

Functional Features

• I2C-bus interface for easy communication with microcontrollers
• Built-in display RAM for storing display data
• Programmable PWM control for display brightness adjustment

Advantages

• Simplifies interfacing between microcontrollers and display devices
• Low power consumption
• Wide operating voltage range allows for versatile applications

Disadvantages

• Limited number of I/O pins may not be suitable for complex systems
• Sensitive to electrostatic discharge (ESD) due to its semiconductor nature

Working Principles

The PCF8576CT/1,118 operates by receiving commands and data from a microcontroller through the I2C-bus interface. It then processes this information to control the connected display devices, utilizing the built-in display RAM and PWM control for efficient operation.

Detailed Application Field Plans

The PCF8576CT/1,118 is widely used in automotive dashboard displays, industrial control panels, and consumer electronics such as home appliances and audio equipment. Its ability to interface with various display technologies makes it suitable for a broad range of applications.

Detailed and Complete Alternative Models

• PCF8574: Similar I/O expander with fewer pins
• MCP23017: I/O expander with higher pin count and additional features
• MAX7311: I2C-based GPIO expander with interrupt capabilities

In conclusion, the PCF8576CT/1,118 offers a reliable and efficient solution for interfacing microcontrollers with display devices, making it a valuable component in diverse electronic systems.

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