PCF8584T/2,512

Introduction

The PCF8584T/2,512 is a versatile integrated circuit belonging to the category of I2C-bus controlled 8-bit I/O expander for microcontroller applications. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the PCF8584T/2,512.

Basic Information Overview

• Category: Integrated Circuit
• Use: I2C-bus controlled 8-bit I/O expander for microcontroller applications
• Characteristics:
  • Expandable general-purpose remote I/O for most microcontroller families via the I2C-bus
  • 8-bit remote I/O ports with individual direction control
  • Software programmable pull-up or pull-down resistors at SDA and SCL lines
  • Low stand-by current consumption of 10 µA maximum
• Package: TSSOP24, SO24
• Essence: The essence of PCF8584T/2,512 lies in its ability to provide expanded I/O capabilities for microcontroller applications through the I2C-bus interface.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Operating Voltage: 2.5 V to 6 V
• I/O Ports: 8-bit
• Standby Current: 10 µA maximum
• Package Type: TSSOP24, SO24

Detailed Pin Configuration

The PCF8584T/2,512 features a TSSOP24 or SO24 package with the following pin configuration: 1. SCL: Serial Clock Input 2. SDA: Serial Data I/O 3. A0-A2: Address Inputs 4. P0-P7: I/O Ports 5. INT: Interrupt Output 6. GND: Ground 7. VCC: Supply Voltage

Functional Features

• Expandable I/O: Provides 8-bit remote I/O ports with individual direction control, enabling expanded I/O capabilities for microcontroller applications.
• Software Programmable Pull-up/Pull-down Resistors: Allows software programmable pull-up or pull-down resistors at SDA and SCL lines, enhancing flexibility in interfacing with different microcontroller families.
• Low Stand-by Current Consumption: Ensures minimal power consumption during stand-by mode, with a maximum of 10 µA.

Advantages and Disadvantages

Advantages

• Enhanced I/O capabilities for microcontroller applications
• Flexibility in interfacing with various microcontroller families
• Low stand-by current consumption

Disadvantages

• Limited to 8-bit I/O ports
• Requires understanding of I2C-bus protocol for effective utilization

Working Principles

The PCF8584T/2,512 operates by providing expanded I/O capabilities for microcontroller applications through the I2C-bus interface. It allows for individual direction control of the 8-bit remote I/O ports and features software programmable pull-up or pull-down resistors at SDA and SCL lines. The device communicates with the microcontroller through the I2C-bus, enabling seamless integration and enhanced I/O functionality.

Detailed Application Field Plans

The PCF8584T/2,512 finds extensive application in various fields, including but not limited to: - Industrial Automation - Consumer Electronics - Automotive Electronics - Home Automation - IoT (Internet of Things) Devices

Detailed and Complete Alternative Models

Some alternative models to PCF8584T/2,512 include: - MCP23008 - PCA9555 - MAX7311

In conclusion, the PCF8584T/2,512 offers a reliable solution for expanding I/O capabilities in microcontroller applications, with its I2C-bus interface and versatile features making it suitable for diverse fields and applications.

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