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PCA9554

Part Number	PCA9554
Manufacturer	Texas Instruments
Description	Remote 8-Bit I2C AND SMBus I/O Expander
Published	May 15, 2020
Detailed Description	Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9554 SCPS128C – JULY 2006 –...
Datasheet	PCA9554 PDF File

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9554 SCPS128C – JULY 2006 – REVISED JUNE 2014 PCA9554 Remote 8-Bit I2C AND SMBus 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 2.
3 V to 5.
5 V • 5-V Tolerant I/Os • 400-kHz Fast I2C Bus • Three Hardware Address Pins Allow up to Eight Devices on the I2C/SMBus • Input/Output Configuration Register • Polarity Inversion Register • Internal Power-On Reset • Power-Up With All Channels Configured as Inputs • No Glitch On Power Up • Latched Outputs With High-Current ...

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