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TCA9554A Datasheet - Texas Instruments

TCA9554A - Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander

The TCA9554A is a 16-pin device that provides 8 bits of general purpose parallel input-output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol.

The device can operate with a power supply voltage ranging from 1.65 V to 5.5 V.

The device supports both 100-kHz (Standard-mode)

TCA9554A Features

* 1 I2C to Parallel Port Expander

* Open-Drain Active-Low Interrupt Output

* Operating Power-Supply Voltage Range of 1.65 V to 5.5 V

* 5-V Tolerant I/O Ports

* 400-kHz Fast I2C Bus

* Three Hardware Address Pins Allow up to Eight Devices on the I2C/SMBus

TCA9554A-etcTI.pdf

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Datasheet Details

Part number:

TCA9554A

Manufacturer:

Texas Instruments ↗

File Size:

2.34 MB

Description:

Low voltage 8-bit i2c and smbus low-power i/o expander.

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