SAA5252

INTEGRATED CIRCUITS DATA SHEET SAA5252 Line twenty-one acquisition and display (LITOD) Product specification Supersedes data of March 1995 File under Integrated Circuits, IC02 1996 Jul 18 Philips Semiconductors Product specification Line twenty-one acquisition and display (LITOD) FEATURES Complete ‘stand-alone’ Line 21 decoder in one package On-chip display RAM allowing full page Text mode Enhanced character display modes Full colour captions RGB interface for standard colour decoder ICs Automatic handling of Field 2 data Automatic selection of (1H, 1V), (2H, 1V) or (2H, 2V) scan modes Onboard OSD facility using Character generator RGB inputs to support existing OSD ICs I2C-bus or ‘stand-alone’ pin control Automatic data-ready signal generation on data acquisition Can decode signals recorded on standard VHS and S-VHS tape. QUICK REFERENCE DATA SYMBOL VDD IDD Vsyn Vvid Tamb Tstg supply voltage supply current CVBS sync amplitude CVBS video amplitude operating ambient temperature storage temperature PARAMETER − 0.1 0.7 −20 −55 MIN. 4.5 30 0.3 1.0 − − TYP. 5.0 − 0.6 1.4 +70 +125 GENERAL DESCRIPTION SAA5252 The SAA5252 (LITOD) is a single-chip CMOS device, which will acquire, decode and display Line 21 Closed Captioning data from a 525-line composite video signal. Operation as an On-Screen Display (OSD) device is also possible. Normal and line progressive scan modes are supported. MAX. 5.5 V UNIT mA V V °C °C ORDERING INFORMATION TYPE NUMBER SAA5252...