This document is the data sheet of SAA5281 produced by Philips. SAA5281 is an integrated video input processor and teletext decoder with complete teletext and VPS decoding functions. It has a built-in 8K×8 memory for storing up to 8 pages.
The SAA5281 is an integrated circuit designed for decoding 625-line based World System Teletext transmissions and acquiring VPS data. It features a built-in 8K x 8 memory for storing up to 8 pages, allowing for enhanced made capabilities such as storing 7 Fastext pages and 8 TOP pages. The device is intended for use in video recorders to implement VPT (VCR programming via Teletext) facilities.
| Supply Voltage | 4.5 to 5.5 V |
|---|---|
| Supply Current | 75 to 150 mA |
| Operating Temperature | -20 to +70 °C |
| Memory Size | 8K x 8 |
| Clock Output | 13.5 MHz |
It is a single-chip Teletext decoder IC for decoding 625-line based World System Teletext transmissions.
No, an 8K x 8 DRAM is included on-chip for up to 8 page storage.
It is an output for indication of Line 23 for use with external circuitry.