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PCA9539 - Remote 16-Bit I2C and SMBus Low-Power I/O Expander

Texas Instruments

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Datasheet Details

Part number	PCA9539
Manufacturer	Texas Instruments ↗
File Size	2.78 MB
Description	Remote 16-Bit I2C and SMBus Low-Power I/O Expander
Datasheet	PCA9539-etcTI.pdf

PCA9539 Product details

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.

Features

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

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Published: May 15, 2020 |