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TCA9554

Part Number	TCA9554
Manufacturer	Texas Instruments
Description	Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander
Published	Oct 15, 2019
Detailed Description	Product Folder Order Now Technical Documents Tools & Software Support & Community TCA9554 SCPS233E – MARCH 2012 – R...
Datasheet	TCA9554 PDF File

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community TCA9554 SCPS233E – MARCH 2012 – REVISED FEBRUARY 2017 TCA9554 Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output and Configuration Registers 1 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 • Input and Output Configuration Register • Polarity Inversion Register • Internal Power-On Reset • Low Standby Current Consumption • Power-Up With All Channels Configured as Inputs...

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