PCA9554A Datasheet | Texas Instruments

Product Folder Sample & Buy Technical Documents Tools & Software Support & munity SCPS127E - SEPTEMBER 2006 - REVISED JUNE 2014 PCA9554A 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...