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TCA9555 - Low-Voltage 16-Bit I2C and SMBus I/O Expander

Texas Instruments

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Datasheet Details

Part number	TCA9555
Manufacturer	Texas Instruments
File Size	2.79 MB
Description	Low-Voltage 16-Bit I2C and SMBus I/O Expander
Datasheet	TCA9555-etcTI.pdf

TCA9555 Product details

Description

This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 1.65-V to 5.5-V VCC operation.

Features

1 Low Standby-Current Consumption of 3.5 μA Maximum.
I2C to Parallel Port Expander.
Open-Drain Active-Low Interrupt Output.
5-V Tolerant I/O Ports.
Compatible With Most Microcontrollers.
400-kHz Fast I2C Bus.
Configurable Slave Address with 3 Address Pins.
Polarity Inversion Register.
Latched Outputs With High-Current Drive Capability for Directly Driving LEDs.
Latch-Up Performance Exceeds 100 mA Per JESD 7.

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Published: Oct 15, 2019 |