STMicroelectronics SAA5231
The SAA5231 is a monolithic integrated circuit in 28 Pin DIP package designed to separate Teletext signals from TV signal.DESCRIPTION
DIP28 (Plastic Package) ORDER CODE : SAA5231 PIN CONNECTIONS Sync. Output Video Input Level Select HF Filter Store HF Store Amplitude Store Zero Level External Data Input Data Timing Store Phase VCR Xtal Clock Filter Ground Clock Output (TTC) 1