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TCA9539 Datasheet - Texas Instruments

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

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 bus (or SMBus protocol). The device can operate with a power supply voltage (VCC) range from 1.65 V to 5.5 V. The device supports 100-kHz (I2C Standard.

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 Datasheet (2.85 MB)

Preview of TCA9539 PDF
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Datasheet Details

Part number:

TCA9539

Manufacturer:

Texas Instruments ↗

File Size:

2.85 MB

Description:

Low voltage 16-bit i2c and smbus low-power i/o expander.

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

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