SAA5284 is a multimedia video data acquisition circuit with a high-performance multi-standard data slicer. It is compatible with Intercast and Teletext functions.
The Philips SAA5284 is a multimedia video data acquisition circuit designed for Vertical Blanking Interval (VBI) and Full Field (FF) data acquisition. It is tailored for application on PC add-in cards, motherboards, and set-top boxes, serving as a replacement for the SAA5250. The device incorporates data slicing, parallel interface, data filtering, and control logic, supporting multi-standard formats including Teletext, WSS, VPS, and Closed Captioning.
| Supply Voltage | 4.5 V to 5.5 V |
|---|---|
| Supply Current | 72 mA (Typical) |
| Operating Temperature | -20°C to +70°C |
| Crystal Frequency | 12, 13.5, 15 or 16 MHz |
| Package Type | QFP44 |
| Data Cache | 2 kbytes |
It supports Teletext (WST, Chinese, US, NABTS, MOJI), Wide Screen Signalling (WSS), Video Programming Signal (VPS), and Closed Captioning.
The device supports selectable crystal frequencies of 12, 13.5, 15, or 16 MHz.