Brooktree was effectively spun off as Conexant, who made direct successors to many of those ASICs for quite a while including updated single-chip USB and PCIe v

Brooktree was effectively spun off as Conexant, who made direct successors to many of those ASICs for quite a while including updated single-chip USB and PCIe versions. I don't think they're still around now that analog broadcast is dead though.