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SAA4995WP

Part Number	SAA4995WP
Manufacturer	Philips
Description	PANorama-IC PAN-IC
Published	May 18, 2005
Detailed Description	INTEGRATED CIRCUITS DATA SHEET SAA5246A Integrated VIP and Teletext (IVT1.0) Product speciﬁcation Supersedes data of A...
Datasheet	SAA4995WP PDF File

Overview

INTEGRATED CIRCUITS DATA SHEET SAA5246A Integrated VIP and Teletext (IVT1.
0) Product speciﬁcation Supersedes data of August 1992 File under Integrated Circuits, IC02 January 1993 Philips Semiconductors Product speciﬁcation Integrated VIP and Teletext (IVT1.
0) FEATURES • Complete Teletext decoder in a 48-pin DIL or 64-pin QFP, integrated circuit • Single +5 V power supply • Both video and scan related synchronization modes are supported • RGB interface to standard colour decoder ICs, push-pull output drive • Digital data slicer and display clock phase-locked loop reduce peripheral components to a minimum • Data capture performance similar to SAA5231 (VIP2) • Option for up to seven national languages • Optional storage of packet 24 in the display memory • Separate text and video signal quality detectors, 625/525 video status and language version all readable via I2C-bus • Automatic ODD/EVEN output control with override • Control of display PLL free-run and rolling header via I2C-bus • VCS to SCS mode for stable 525 line status display.
QUICK REFERENCE DATA SYMBOL VDD IDD Vsyn Vvid fXTAL Tamb supply current sync amplitude video amplitude crystal frequency operating ambient temperature PARAMETER positive supply voltage − 0.
1 0.
7 − −20 MIN.
4.
5 64 0.
3 1.
0 27 − TYP.
5.
0 DESCRIPTION SAA5246A The SAA5246A is a single-chip teletext decoder IC for decoding 625 line base World System Teletext transmissions.
The teletext decoder hardware is based on the Enhanced Computer Controlled ECCT device (SAA5243) with some additional features.
The Video Input Processor section of the device uses mixed analog and digital designs in the data slicer and clock phase-locked-loop functions.
As a result the number of external components are greatly reduced and no critical or adjustable components are required.
MAX.
5.
5 128 0.
6 1.
4 − +70 V UNIT mA V V MHz °C ORDERING INFORMATION EXTENDED TYPE NUMBER SAA5246AP SAA5246AGP Notes 1.
SOT240-1; 1996 November 22.
2.
SOT319-3; 1996 November 22...

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SAA4995WP PANorama-IC PAN-IC - Philips

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