TMC2221 Datasheet
CMOS Programmable Digital Output Correlators
Manufacturer: Fairchild (now onsemi)
Download the TMC2221 datasheet PDF.
This datasheet also includes the TMC2220 variant, as both parts are published together in a single manufacturer document.
Note: The manufacturer provides a single datasheet file (TMC2220-FairchildSemiconductor.pdf) that lists specifications for multiple related part numbers.