TCA9538 - Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander

Texas Instruments

TCA9538 Datasheet Preview — Preview of TCA9538 PDF

Datasheet Details

Part number	TCA9538
Manufacturer	Texas Instruments ↗
File Size	1.12 MB
Description	Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander
Datasheet	TCA9538-etcTI.pdf

TCA9538 Product details

Description

The TCA9538 is a 16-pin device that provides 8 bits of general purpose parallel input and output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol.

Features

1 Low Standby Current Consumption.
I2C to Parallel Port Expander.
Open-Drain Active-Low Interrupt Output.
Active-Low Reset Input.
Operating Power-Supply Voltage Range of 1.65 V to 5.5 V.
5-V Tolerant I/O Ports.
400-kHz Fast I2C Bus.
Two Hardware Address Pins Allow up to Four Devices on the I2C/SMBus.
Input and Output Configuration Register.
Polarity Inversion Register.
Power-Up With All Channels Co.

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Published: Dec 22, 2020 |