SAA5250 Datasheet - NXP

SAA5250 Interface for data acquisition and control for multi-standard teletext systems

SAA5250 The SAA5250 is a CMOS Interface for Data Acquisition and Control (CIDAC) designed for use in conjunction with the Video Input Processor (SAA5230) in a multi-standard teletext decoder. The device retrieves data from a user selected channel (channel demultiplexer), as well as providing contr.

SAA5250 Features

* 7,5 MHz maximum conversion rate

* Three prefixes; DIDON, NABTS and U.K. teletext (CEEFAX)

* Mode without prefix

* Internal calculation of the validation (VAL) and colour burst blanking (CBB) signals, if programmed

* Programmable framing code and channel numb

SAA5250_PhilipsSemiconductors.pdf