PCA9539 - 16-bit I2C and SMBus low power I/O port

NXP

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Datasheet Details

Part number	PCA9539
Manufacturer	NXP
File Size	509.00 KB
Description	16-bit I2C and SMBus low power I/O port
Datasheet	PCA9539_PhilipsSemiconductors.pdf

PCA9539 Product details

Description

The PCA9539; PCA9539R is a 24-pin CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders.

Features

16-bit I2C-bus GPIO with interrupt and reset.
Operating power supply voltage range of 2.3 V to 5.5 V (3.0 V to 5.5 V for PCA9539PW/Q900 and PCA9539RPW/Q900).
5 V tolerant I/Os NXP Semiconductors PCA9539; PCA9539R 16-bit I2C-bus and SMBus low power I/O port with interrupt and reset.
Polarity inversion register.
Active LOW interrupt output.
Active LOW reset input.
Low standby current.
Noise filter on SCL/SDA inputs.
No glitch on power-up.
Inter.

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Published: Nov 20, 2006 |