PCA9535 Datasheet Remote 16-BIT I2C and SMBus Low-Power I/O Expander

Manufacturer: Texas Instruments

PCA9535 remote 16-bit i2c and smbus low-power i/o expander by Texas Instruments - Datasheet Preview

Datasheet Details

Part number	PCA9535
Manufacturer	Texas Instruments
File Size	3.15 MB
Description	Remote 16-BIT I2C and SMBus Low-Power I/O Expander
Download	PCA9535 Download (PDF)

General Description

This 16-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)].

The PCA9535 consists of two 8-bit Configuration (input or output selection), Input Port, Output Port, and Polarity Inversion (active-high or active-low operation) registers.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9535 SCPS129J – AUGUST 2005 – REVISED JUNE 2014 PCA9535 Remote 16-BIT I2C and SMBus Low-Power I/O Expander With Interrupt Output.

Key Features

1 Low Standby-Current Consumption of 1 μA Max.
I2C to Parallel Port Expander.
Open-Drain Active-Low Interrupt Output.
5-V Tolerant I/O Ports.
Compatible With Most Microcontrollers.
400-kHz Fast I2C Bus.
Address by Three Hardware Address Pins for Use of up to Eight Devices.
Polarity Inversion Register.
Latched Outputs With High-Current Drive Capability for Directly Driving LEDs.
Latch-Up Performance Exceeds.

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