The electronic part can be shipped overseas conveniently because it is packaged in 16-SOIC (0.295, 7.50mm Width). This high-reliability packaging method uses advanced packaging methods Tape & Reel (TR). Mounted in Surface Mount is this multiplexer. 4:1 is the ratio between multiplexers and demultiplexers. Operating temperature around -40°C~85°C TA extended. SP4T switching circuits are used in these analog switch ics. There are 2 circuits in this switch device. Try searching with 74VHC4052 if you're looking for variants. It is offered by suppliers in package 16-SOIC.
74VHC4052WMX Features
Switch Circuit: SP4T
74VHC4052WMX Applications
There are a lot of ON Semiconductor 74VHC4052WMX Analog Switches & Multiplexers ICs applications.