The Cirrus Logic CS8130-CSZR is a multi-standard infrared transceiver IC. It supports data rates from 1200bps to 115kbps and operates from a 2.7V to 5.5V supply.
The NXP Semiconductors TJA1080ATS/2/T,118 is a FlexRay transceiver designed for automotive communication systems. It supports data transfer rates up to 10 Mbit/s.
The Texas Instruments PCA9518DBR is a five-channel bidirectional buffer designed for I2C and SMBus applications. It operates with a supply voltage range of 3V to 3.6V.