Datasheet4U Logo Datasheet4U.com

PCF8574

Remote 8-bit I/O expander

PCF8574 Features

* I2C-bus to parallel port expander

* 100 kHz I2C-bus interface (Standard-mode I2C-bus)

* Operating supply voltage 2.5 V to 6 V with non-overvoltage tolerant I/O held to VDD with 100 A current source

* 8-bit remote I/O pins that default to inputs at power-up

* Latched outputs di

PCF8574 General Description

The PCF8574/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)). The devices consist of eight quasi-bidirectional ports, 100 kHz I2C-bus interface, three hardware address inputs and interrupt output operating between 2.5 V .

PCF8574 Datasheet (367.27 KB)

Preview of PCF8574 PDF

Datasheet Details

Part number:

PCF8574

Manufacturer:

NXP ↗

File Size:

367.27 KB

Description:

Remote 8-bit i/o expander.

📁 Related Datasheet

PCF8570 256 x 8-bit static low-voltage RAM (NXP)

PCF8570C 128 x 8 Bit / 256 x 8 Bit Static Ram (Philips)

PCF8571 128 x 8 Bit / 256 x 8 Bit Static Ram (Philips)

PCF8573 Clock/calendar (NXP)

PCF8574 Remote 8-Bit I/O Expander (Texas Instruments)

PCF8574A Remote 8-Bit I/O Expander (Texas Instruments)

PCF8574A Remote 8-bit I/O expander (NXP)

PCF8574N Remote 8-Bit I/O Expander (Texas Instruments)

PCF8575 Remote 16-bit I/O expander (NXP)

PCF8575 Remote16-BIT I2C AND SMBus I/O Expander (Texas Instruments)

TAGS

PCF8574 Remote 8-bit expander NXP

Image Gallery

PCF8574 Datasheet Preview Page 2 PCF8574 Datasheet Preview Page 3

PCF8574 Distributor