PCA9534A - Remote 8-BIT I2C and SMBus Low-Power I/O Expander

Product Overview

Texas Instruments

Part number	PCA9534A
Manufacturer	Texas Instruments
File Size	2.15 MB
Description	Remote 8-BIT I2C and SMBus Low-Power I/O Expander
Datasheet	PCA9534A Datasheet
Additional preview pages of the PCA9534A datasheet.

This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation.

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

1 Low Standby Current Consumption of 1 μA Max.
I2C to Parallel Port Expander.
Open-Drain Active-Low Interrupt Output.
Operating Power-Supply Voltage Range of 2.3 V to 5.5 V.
5-V Tolerant I/O Ports.
400-kHz Fast I2C Bus.
Three Hardware Address Pins Allow Up to Eight Devices on the I2C/SMBus.
Allows Up to 16 Devices on the I2C/SMBus When Used in Conjunction with the PCA9534 See Device Comparison Table for I2C Expander offering.

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Published: May 15, 2020 |