The HMC745LC3 from Analog Devices Inc. is a configurable XOR/XNOR gate Integrated Circuit with 1 circuit and 4 inputs in a 16-CSMT (3x3) package, rated 13DBPS.
The HMC745LC3TR-R5 from Analog Devices Inc. is a configurable XOR/XNOR gate Integrated Circuit with 1 circuit and 4 inputs, rated 13DBPS, in a 16-CSMT (3x3) package.