PCF8574P – PHILIPS/NXP

Part Number:

PCF8574P

Manufacturer:

PHILIPS/NXP

Date Code:

RoHS:

Non-RoHS

MSL:

COO:

Description:

100 kHz I2C Expander IC, 16-DIP

Datasheet:

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Product Details:

Overview

The PCF8574P is a general-purpose I2C I/O expander manufactured by NXP Semiconductors (formerly PHILIPS). This integrated circuit provides 8-bit parallel input/output port expansion for I2C bus systems. It operates at a clock frequency of up to 100 kHz and is supplied in a 16-pin DIP (Dual In-line Package).

Key Features

8-bit parallel I/O expansion
I2C-bus interface
100 kHz clock frequency
Low standby current consumption
16-DIP package

Applications

This I2C expander is commonly used in microcontroller-based systems to increase the number of available digital I/O pins. It provides a simple and efficient method for interfacing with peripherals and expanding control capabilities in various electronic devices.

LED matrix control
Button and switch matrix reading
Remote control systems
Sensor interface