They made their name with USB converter chips, namely USB to serial chips that are still ... reproduce results of a Chinese-made ‘FTDI’ USB to RS232 cable that behaved strangely.

[Johan von Konow] found that he was using an FTDI USB-to-Serial chip in a lot of his projects and wanted to have an easy prototyping component on hand to facilitate this. What he came up with is ...

Add or Remove Programs entry for FTDI USB Serial Converter Drivers. This is a driver pack that allows USB ports to be used to connect to Serial bus devices with a USB - Serial adapter cable.