This part is a kind of semiconductor called TDA9580H.
Function of this product has TV Signal Processor.
Manufacturers : Philips
Image and pinout :
Some of the text within the PDF file :
INTEGRATED CIRCUITS DDEAVITCAE SSPEHCIEFIECATTION TDA955X/6X/8X H/N1 series TV signal processor-Teletext decoder with embedded µ-Controller Tentative Device Speciﬁcation 2000 Jun 22 FVielersuionnd:e1r.I6ntegrated Circuits, Previous version: 2000 Apr 06 Philips Semiconductors TV signal processor-Teletext decoder with embedded µ-Controller Tentative Device Speciﬁcation TDA955X/6X/8X H/N1 series GENERAL DESCRIPTION The various versions of the TDA955X/6X/8X H/N1 series combine the functions of a video processor together with a µ-Controller and US Closed Caption decoder. Most versions have a Teletext decoder on board. The Teletext decoder has an internal RAM memory for 1or 10 page text. The ICs are intended to be used in economy television www.DataSh [ ... ]