PCF8574AP Interface-I/O Expanders by HGSEMI – Simplify Digital Expansion with Reliable Performance

The Interface-I/O Expanders PCF8574AP by HGSEMI are designed to extend the number of input/output (I/O) ports available to a microcontroller or microprocessor through the I2C bus. These Interface-I/O Expanders enable engineers to simplify circuit complexity while maintaining high performance and low power consumption.

Known for their reliability and ease of use, PCF8574AP Interface ICs are widely applied in embedded systems, industrial control, and automation where multiple digital I/O lines are required.

Introduction

The PCF8574AP from HGSEMI is an 8-bit I/O expander designed for systems using I2C or SMBus interfaces. It helps designers efficiently manage digital signals without increasing MCU pin counts.

Compact and cost-effective, the PCF8574AP Interface-I/O Expanders are part of HGSEMI’s comprehensive Interface ICs lineup, ensuring performance and flexibility in communication-based designs.

Technical Specifications of PCF8574AP Interface-I/O Expanders

• Manufacturer: HGSEMI

• Part Number: PCF8574AP

• Type: Interface-I/O Expander

• Interface Type: I2C, SMBus

• Number of I/O Pins: 8

• Operating Voltage: 2.5V to 6V

• I2C Address Range: 0x20 to 0x27

• Package Type: PDIP-16

• Category: Semiconductors, Integrated Circuits - ICs, Interface ICs, Interface - I/O Expanders

With its versatile I2C control and low-power design, the PCF8574AP Interface-I/O Expander provides an ideal solution for expanding GPIO capacity in embedded systems.

Key Features of PCF8574AP Interface-I/O Expanders by HGSEMI

• 8-Bit I/O Expansion: Provides additional GPIO lines via I2C bus.

• Bidirectional Data Flow: Supports both input and output operations.

• Low Standby Current: Enhances energy efficiency in portable devices.

• Simple I2C Communication: Requires only two control lines (SCL, SDA).

• Wide Operating Voltage: Compatible with both 3.3V and 5V systems.

• Robust Design: Ensures long-term reliability and low electromagnetic interference.

These Interface-I/O Expanders make it easy to scale digital designs without modifying existing MCU architectures.

Applications of PCF8574AP Interface-I/O Expanders

The PCF8574AP Interface-I/O Expanders by HGSEMI are ideal for numerous Interface ICs and Semiconductors applications, including:

• Industrial automation and monitoring systems

• Consumer electronics and appliances

• Home automation controllers

• LCD and keypad interfaces

• Embedded system I/O management

• Robotics and sensor data acquisition

• Datasheet

With their simple connectivity and high compatibility, these Interface-I/O Expanders are a trusted solution for embedded engineers worldwide.

Use Case Scenario: Expanding GPIO in Microcontroller Projects

Scenario

A design team working on a home automation controller needed additional GPIO lines to handle sensors, LEDs, and relays without upgrading their microcontroller.

Problem

The existing MCU lacked enough I/O pins, causing design limitations.

Solution

Integrating the PCF8574AP Interface-I/O Expander allowed them to add 8 extra I/O lines via I2C communication with minimal PCB changes.

Result

Simplified circuit design, lower cost, and improved scalability across multiple product versions.

Also Available from Other Manufacturers

For engineers seeking alternative Interface-I/O Expanders, NXP also offers compatible and high-performance solutions in the same family.

At XON Electronics, you’ll find a complete range of Semiconductors, Interface ICs, and Integrated Circuits from leading global brands to suit every design requirement.

Why Buy from XON Electronics

XON Electronics is a global supplier of genuine Semiconductors, Integrated Circuits - ICs, and Interface - I/O Expanders from top brands like HGSEMI and NXP.

Why engineers worldwide choose XON Electronics:

• 100% Original Components with Quality Assurance
• Fast Global Delivery to USA, India, Australia, Europe & more
• Technical Assistance for Design and Procurement
• Competitive Pricing for Bulk and Retail Orders
• Safe and Secure Online Ordering

Buy the PCF8574AP Interface-I/O Expanders by HGSEMI today from XON Electronics and enhance your I/O management with reliability and simplicity.

FAQs – PCF8574AP Interface-I/O Expanders by HGSEMI

Q1. How many I/O pins does the PCF8574AP provide?
It offers 8 general-purpose I/O pins controllable through I2C.

Q2. Can the device operate with 3.3V systems?
Yes, it supports a voltage range from 2.5V to 6V, making it ideal for both 3.3V and 5V logic.

Q3. Is the PCF8574AP compatible with NXP versions?
Yes, HGSEMI’s PCF8574AP is pin- and function-compatible with NXP’s model.

Q4. What applications are ideal for this device?
It’s perfect for I/O expansion in microcontroller and embedded systems.

Q5. Where can I buy the PCF8574AP Interface-I/O Expander?
You can purchase it from XON Electronics with worldwide shipping options.

Conclusion

The PCF8574AP Interface-I/O Expanders by HGSEMI simplify digital I/O management, offering robust performance, low power consumption, and excellent compatibility with microcontrollers. Ideal for embedded systems and automation, these Interface ICs ensure scalable and reliable I/O expansion.

Buy your PCF8574AP Interface-I/O Expanders by HGSEMI now from XON Electronics — your trusted source for quality Semiconductors and Integrated Circuits - ICs worldwide.