Philips Semiconductors - Discretes - Concise Catalog 2000



Discretes


Sales Offices & Distributors



Catalog tree

	Automotive
	Communications
	Consumer Multimedia
	Discrete semiconductors
	General-purpose / Linear
	Logic
	Microcontrollers
	Programmable logic


Cross reference


Models


Packages


Application notes


Selection guides


Other technical documentation


End of Life information

Information as of 2000-01-10
Latest information online

SAA5700; Chinese Character System Teletext (CCST) decoder

• Description
• Features
• Datasheet
• Blockdiagram
• Products, packages, availability and ordering
• Find similar products

To be kept informed on SAA5700,
subscribe to eNews.

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. There is a high level software interface with easy commands for the control of the decoder. Control is achieved via the I²C-bus.

The device is available in a QFP64 package.

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 x 4 bits, 1M x 4 bits, 4M x 4 bits and 2 x 1M x 4 bits with an additional decoder/demultiplexer IC

Acquires and stores in background up to (typically) 400 pages with 1M x 4 bits external DRAM

CCST Fastext, with capability of displaying Chinese characters on Fastext prompt row

Meshing for reduced contrast video background in subtitles and boxes

Full line and screen colour to all edges of screen

Supports 625-line 50/100 Hz display modes

Scan-locked and stand-alone sync modes; supports video-locked sync modes with external PLL

Easy control via high level I²C-bus SAFARI commands

Sync mode switching and picture centring via I²C-bus SAFARI commands

Supports external decryption unit for encrypted data.

Datasheet

Type nr.

Title

Publication release date

Datasheet status

Page count

File size (kB)

Datasheet

SAA5700 Chinese Character System Teletext (CCST) decoder 16-May-97 Preliminary Specification 24 139 Open

Blockdiagram

Blockdiagram of SAA5700GP

Products, packages, availability and ordering

Partnumber Order code (12nc) marking/packing package device status buy online

SAA5700GP/M4B 9352 316 90551 Standard marking * tray dry pack, bakeable, single SOT319 WIT -

9352 316 90557 Standard marking * tray dry pack, bakeable, multiple SOT319 WIT -

SAA5700GP/M4C 9352 406 00551 Standard marking * tray dry pack, bakeable, single SOT319 CQS -

9352 406 00557 Standard marking * tray dry pack, bakeable, multiple SOT319 CQS -

Please note, devices listed in the "Products, packages, availability and ordering" table marked with "WIT" are discontinued. Devices marked with "DOD" will be in the near future.
Contact your nearest sales or distributor office for the latest information on product status and availability.

Find similar products:

SAA5700 links to the similar products page containing an overview of products that are similar in function or related to the part number(s) as listed on this page. The similar products page includes products from the same catalog tree(s) , relevant selection guides and products from the same functional category.