PCA9538PW/Q900,118

Introduction

The PCA9538PW/Q900,118 is a versatile and efficient product that belongs to the category of integrated circuits. This device offers a wide range of applications and features, making it an essential component in various electronic systems.

Basic Information Overview

• Category: Integrated Circuit
• Use: GPIO Expander
• Characteristics: Low power consumption, I2C-bus interface, programmable IOs
• Package: TSSOP, 24-pin
• Essence: The essence of PCA9538PW/Q900,118 lies in its ability to expand the general-purpose input/output (GPIO) capabilities of a microcontroller or other digital system.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 2.3V to 5.5V
• IO Voltage: 5.5V
• Number of IOs: 8
• I2C-bus Interface: Compatible with SMBus standards
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCA9538PW/Q900,118 features a 24-pin TSSOP package with the following pin configuration: 1. P00 2. P01 3. P02 4. P03 5. P04 6. P05 7. P06 8. P07 9. SDA 10. SCL 11. A0 12. A1 13. A2 14. GND 15. P07 16. P06 17. P05 18. P04 19. P03 20. P02 21. P01 22. P00 23. VCC 24. INT

Functional Features

• Programmable IOs: Each IO can be configured as either an input or output.
• Interrupt Output: Provides an interrupt signal based on input changes.
• Internal Power-On Reset: Ensures default IO configuration at power-up.

Advantages and Disadvantages

Advantages

• Low power consumption
• Simplified IO expansion
• Compatibility with I2C-bus/SMBus
• Small form factor

Disadvantages

• Limited number of IOs
• Dependency on I2C-bus communication

Working Principles

The PCA9538PW/Q900,118 operates by communicating with a host microcontroller or digital system through the I2C-bus interface. It allows the system to control and monitor the status of the IOs, providing flexibility in managing input and output signals.

Detailed Application Field Plans

The PCA9538PW/Q900,118 finds extensive application in various fields, including: - Consumer Electronics - Industrial Automation - Automotive Systems - IoT Devices - Embedded Systems

Detailed and Complete Alternative Models

• PCA9538PWR,112
• MCP23008-I/SS
• MAX7311AUG+

In conclusion, the PCA9538PW/Q900,118 is a highly functional and reliable GPIO expander integrated circuit that caters to diverse application needs across different industries.

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