
STMicroelectronics
DESCRIPTION
The STV5348 decoder is a computer-controlled teletext device including an 8 page internal memory. Data slicing and capturing extracts the teletext information embedded in the composite video signal.
■ COMPLETE TELETEXT AND VPS DECODER
INCLUDING AN 8 PAGE MEMORY ON A SINGLE CHIP
■ UPWARD SOFTWARE COMPATIBLE WITH
PREVIOUS SGS-THOMSON’s MULTICHIP
SOLUTIONS (SAA5231, SDA5243, STV5345)
■ PERFORM PDC SYSTEM A (VPS) AND PDC
SYSTEM B (8/30/2) DATA STORAGE SEPARATLY
■ DEDICATED "ERROR FREE" OUTPUT FOR
VALID PDC DATA
■ INDICATION OF LINE 23 FOR EXTERNAL
USE
■ SINGLE +5V SUPPLY VOLTAGE
■ SINGLE 13.875MHz CRYSTAL
■ REDUCED SET OF EXTERNAL COMPONENTS, NO EXTERNAL ADJUSTMENT
■ OPTIMIZED NUMBER OF DIGITAL SIGNALS
REDUCING EMC RADIATION
■ HIGH DENSITY CMOS TECHNOLOGY
■ DIGITAL DATA SLICER AND DISPLAY
CLOCK PHASE LOCK LOOP
■ 28 PIN DIP & SO PACKAGE