Single chip Chinese teletext decoder

A single chip teletext decoder (Chinatext) for Chinese language is introduced. It is designed using advanced CMOS 4 Megabit DRAM technology. With 4.2 million transistor-count integrated into a single chip, it combines all analog and digital functions required for high quality teletext processing. An on-chip 3.1 Megabit custom designed ROM contains compressed information of more than 7000 GB5007 character fonts including 6763 Chinese ideographic characters. Chinatext supports CCST standard with customized internal firmware.