SAA5231 Datasheet | STMicroelectronics

DATA SLICER FOR TELETEXT PROCESSOR s SEPARATION OF TELETEXT DATA FROM THE POSITE VIDEO SIGNAL s SEPARATION OF HORIZONTAL AND VERTICAL SYNCHRONIZATION SIGNALS FROM THE POSITE VIDEO SIGNAL s EXTERNAL OSCILLATOR GENERATING 6MHz SIGNAL SYNCHRONIZED TO A MULTIPLE OF THE LINE FREQUENCY BY PLL s A 6.9375MHz CLOCK GENERATED FROM AN EXTERNAL QUARTZ CRYSTAL s ”AFTER-HOURS” SYNCHRONIZATION OPTION s PROGRAMMABLE LEVELS FOR THE INPUT POSITE VIDEO SIGNAL (1V OR 2.5V) s PROCESSING OF EXTERNAL TELETEXT DATA s OUTPUT OF POSITIVE OR NEGATIVE SYNCHRONIZING SIGNALS s 28 PIN DIP PACKAGE s HDS2P2 TECHNOLOGY DESCRIPTION The SAA5231 is a monolithic integrated circuit in 28 Pin DIP package...