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TCA9539 - Low Voltage 16-Bit I2C and SMBUS Low-Power I/O Expander

TCA9539 Description

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TCA9539 SCPS202C * OCTOBER 2009 * REVISED MA.
The TCA9539 is a 24-pin device that provides 16 bits of general purpose parallel input and output (I/O) expansion for the two-line bidirectional I2C b.

TCA9539 Features

* 1 I2C to Parallel Port Expander
* Low Standby-Current Consumption
* 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
* Input and Out

TCA9539 Applications

* Servers
* Routers (Telecom Switching Equipment)
* Personal Computers, smartphones
* Industrial Automation

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Low Voltage 16-Bit I2C and SMBUS Low-Power Expander Texas Instruments
Texas Instruments TCA9539-like datasheet