The TMC2202, TMC2208 and TMC2224 are ultra-silent motor driver ICs for two-phase stepper motors. Their pinning is compatible to a number of legacy drivers.
Datasheets by Manufacturer
TMC22051A — Fairchild Semiconductor — Multistandard Digital Video Decoder
TMC22053A — Fairchild Semiconductor — Multistandard Digital Video Decoder
TMC22071A — Fairchild Semiconductor — Genlocking Video Digitizer