What is I2C communication, I2C bus switches, Inter-Integrated Circuit

 PCA9555 Series 5.5V 160 mA 400 kHz SMT 16-bit I2C-bus and SMBus I/O Port-SSOP-24

https://www.futureelectronics.com/p/semiconductors--comm-products--i2c/pca9555db-118-nxp-2621977