SAA5700 - Chinese Character System Teletext CCST decoder

NXP

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Datasheet Details

Part number	SAA5700
Manufacturer	NXP
File Size	139.43 KB
Description	Chinese Character System Teletext CCST decoder
Datasheet	SAA5700_PhilipsSemiconductors.pdf

SAA5700 Product details

Description

plastic quad ﬂat package; 64 leads (lead length 1.95 mm); body 14 × 20 × 2.8 mm SAA5700 GENERAL DESCRIPTION The SAA5700 is a Chinese teletext decoder suitable for TV and multimedia applications.It incorporates all the data slicing, acquisition and display circuitry on-chip, as well as the logic for memory management.An external DRAM is used to store the currently displayed page and also the precaptured teletext pages.An external ROM is used to store the ideographic Chinese character set.Th

Features

Acquisition and display of the 625-line PAL CCST Chinese standard for teletext, with Chinese and Latin character sets.
Supports multiple DRAM sizes: 256K × 4 bits, 1M × 4 bits, 4M × 4 bits and 2 × 1M × 4 bits with an additional decoder/demultiplexer IC.
Acquires and stores in background up to (typically) 400 pages with 1M × 4 bits external DRAM.
CCST Fastext, with capability of displaying Chinese characters on Fastext prompt row.
Meshing for reduced.

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Published: Apr 8, 2005 |