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SAA5231 Datasheet

Part Number SAA5231
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description DATA SLICER FOR TELETEXT PROCESSOR
Datasheet SAA5231 DatasheetSAA5231 Datasheet (PDF)

SAA5231 DATA SLICER FOR TELETEXT PROCESSOR s SEPARATION OF TELETEXT DATA FROM THE COMPOSITE VIDEO SIGNAL s SEPARATION OF HORIZONTAL AND VERTICAL SYNCHRONIZATION SIGNALS FROM THE COMPOSITE 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 COMPOSITE VIDEO SIGNAL (1V OR 2.5V) s PROCESSING OF EXTERNA.

  SAA5231   SAA5231






Part Number SAA5231
Manufacturers Philips
Logo Philips
Description Teletext video processor
Datasheet SAA5231 DatasheetSAA5231 Datasheet (PDF)

INTEGRATED CIRCUITS DATA SHEET SAA5231 Teletext video processor Product specification File under Integrated Circuits, IC02 November 1986 Philips Semiconductors Teletext video processor Product specification SAA5231 GENERAL DESCRIPTION The SAA5231 is a bipolar integrated circuit intended as a successor to the SAA5030. It extracts Teletext Data from the video signal, regenerates Teletext Clock and synchronizes the text display to the television syncs. The integrated circuit is intended to work .

  SAA5231   SAA5231







DATA SLICER FOR TELETEXT PROCESSOR

SAA5231 DATA SLICER FOR TELETEXT PROCESSOR s SEPARATION OF TELETEXT DATA FROM THE COMPOSITE VIDEO SIGNAL s SEPARATION OF HORIZONTAL AND VERTICAL SYNCHRONIZATION SIGNALS FROM THE COMPOSITE 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 COMPOSITE 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 designed to separate Teletext signals from TV signal. 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 .


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