PCA9554   Datasheet

NXP Semiconductors.

8-bit I2C-bus and SMBus I/O port with interrupt

ON Semiconductor

8-bit I2C and SMBus I/O Port with Interrupt

Philips Electronics

8-bit I²C and SMBus I/O port with interrupt

NXP Semiconductors.

8-bit I2C-bus and SMBus I/O port with interrupt

Philips Electronics

8-bit I²C and SMBus I/O port with interrupt

NXP Semiconductors.

Low-voltage 8-bit I2C-bus and SMBus low power I/O port with interrupt, weak pull-up

NXP Semiconductors.

8-bit I²C-bus and SMBus I/O port with interrupt

NXP Semiconductors.

8-bit I2C-bus and SMBus I/O port with interrupt

Philips Electronics

8-bit I²C and SMBus I/O port with interrupt