PCA9701PW - Freescale Semiconductor

Manufacturer Part Number

PCA9701PW

Manufacturer

Freescale Semiconductor, Inc. (NXP Semiconductors)

Introduction

The PCA9701PW is a 16-bit I/O expander with SPI serial interface and interrupt output.

Product Features and Performance

16 input-only GPIO pins

SPI serial interface for communication and control

Interrupt output pin for notification of input state changes

Supports up to 5MHz SPI clock frequency

Capable of sourcing/sinking up to 5mA/6mA per output

Wide operating voltage range of 2.5V to 5.5V

Operating temperature range of -40°C to 125°C

Product Advantages

Flexible I/O expansion through SPI interface

Interrupt functionality for efficient monitoring of input changes

Wide voltage and temperature range for diverse applications

Small 24-TSSOP package for space-constrained designs

Key Technical Parameters

Package: 24-TSSOP (0.173", 4.40mm Width)

Mounting Type: Surface Mount

Output Type: Open Drain

Number of I/O: 16 (Input Only)

Voltage Supply: 2.5V ~ 5.5V

Clock Frequency: 5 MHz

Current Output Source/Sink: 5mA, 6mA

Interrupt Output: Yes

Quality and Safety Features

Robust design for reliable operation in harsh environments

Compliance with industry standards for quality and safety

Compatibility

Compatible with a wide range of microcontrollers and processors with SPI interfaces

Application Areas

Industrial automation and control systems

Home and building automation

Embedded systems with I/O expansion requirements

Sensor and actuator interfaces

Product Lifecycle

The PCA9701PW is an active and widely available product from NXP Semiconductors.

Replacement or upgraded products may be available in the future as technology evolves.

Key Reasons to Choose This Product

Flexible I/O expansion through SPI interface

Interrupt functionality for efficient monitoring of input changes

Wide voltage and temperature range for diverse applications

Small form factor 24-TSSOP package for space-constrained designs

Robust design and compliance with industry standards for quality and safety

Availability and support from a leading semiconductor manufacturer, NXP Semiconductors