PCF8574T/3,518 - NXP USA Inc.

Manufacturer Part Number

PCF8574T/3,518

Manufacturer

NXP Semiconductors

Introduction

The PCF8574T/3,518 is a widely used 8-bit remote I/O expander for I²C-bus application. It provides general-purpose remote I/O expansion for most microcontroller families.

Product Features and Performance

8-bit remote I/O expander for I²C-bus

Operates from 2.5V to 6V power supply

100kHz I²C-bus interface

300μA output source/sink current capability

Interrupt output pin

Power-on reset (POR) function

Wide operating temperature range of -40°C to 85°C

Product Advantages

Versatile I/O expander with a simple I²C-bus interface

Low power consumption

Supports a wide range of microcontroller families

Robust design with POR and wide temperature range

Key Technical Parameters

8-bit I/O

5V to 6V supply voltage

100kHz I²C-bus interface

300μA output source/sink current

-40°C to 85°C operating temperature range

Quality and Safety Features

ROHS3 compliant

16-SOIC package

Compatibility

Compatible with a wide range of microcontroller families that support the I²C-bus interface.

Application Areas

Industrial automation

Home appliances

Automotive electronics

Embedded systems

Product Lifecycle

The PCF8574T/3,518 is an active and widely used product. Replacement or upgrade options are available from NXP Semiconductors.

Key Reasons to Choose This Product

Versatile I/O expander with a simple I²C-bus interface

Low power consumption

Wide operating temperature range

Robust design with POR function

Compatibility with a broad range of microcontrollers

Availability of replacement and upgrade options