PCA9554A Remote 8-Bit I2C and SMBus I/O Expander With Interrupt Output and Configuration Registers

1 Features • 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 Reg

PCA9554A Remote 8-Bit I2C and SMBus I/O Expander With Interrupt Output and Configuration Registers

1 Features • 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 Reg

PCA9554A Remote 8-Bit I2C and SMBus I/O Expander With Interrupt Output and Configuration Registers

1 Features • 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 Reg