SAA5249 Overview
SAA5249 The Integrated VIP and Teletext (IVT1.1BMCX) is a teletext decoder (contained within a single chip package) for decoding 625-line based World System Teletext transmissions. With its built-in background memory controller the device can store ining teletext packets in the external 1M4 DRAM. With this large packet store which can be rapidly scanned, we can achieve near instantaneous access to all the pages...
SAA5249 Key Features
- plete teletext decoder featuring a background memory controller in a single 48-pin DIP package. Capable of storing of up
- Automatic processing of extension packet 26 for widest possible language decoding. All our standard language options can
- 100% hardware patible with the SAA5247 plug-in replacement and with the possibility of extra market in those countries w
- 100% software patible with the SAA5247, and SAA5244A, except if the special OSD symbols were used. Also 100% software pa
- The device is pin-aligned with the other members of the new Philips teletext decoder family, i.e. SAA5281 and the SAA525
- Low software overhead for the microprocessor
- RGB interface to standard colour decoder ICs, push-pull output drive. QUICK REFERENCE DATA SYMBOL VDD IDD Vsyn Vvid fXTA
- 0.1 0.7
- 20 MIN. 4.5 TYP. 5.0 90 0.3 1.0 27
- GENERAL DESCRIPTION