PCF8574A Datasheet Remote 8-Bit I/O Expander

Manufacturer: Texas Instruments

PCF8574A remote 8-bit i/o expander by Texas Instruments - Datasheet Preview

Datasheet Details

Part number	PCF8574A
Manufacturer	Texas Instruments
File Size	2.38 MB
Description	Remote 8-Bit I/O Expander
Datasheet	PCF8574A Datasheet

General Description

This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 6-V VCC operation.

The PCF8574A device provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)].

The device

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCF8574A SCPS069F – JULY 2001 – REVISED NOVEMBER 2015 PCF8574A Remote 8-Bit I/O Expander for I2C Bus.

Key Features

Low Standby-Current Consumption of 10 μA Max.
I2C to Parallel-Port Expander.
Open-Drain Interrupt Output.
Compatible With Most Microcontrollers.
Latched Outputs With High-Current Drive Capability for Directly Driving LEDs.
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II 2.

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