Hi Javier, After a little searching, this is what I came up with... LA7555 is an IF Signal Processor, I'll be sending you a personal email with=20 the datasheet attached. As for the HA11466S, it appears to be made by Hitachi; I couldn't find any=20 datasheets on it.=20 One of the resident geniuses will have to answer your 90C51 question. Regards, Tim Hamel In a message dated 8/25/00 11:22:26 PM Pacific Daylight Time,=20 grijalba@CVTCI.COM.AR writes: > Hi > I just opened my TV tuner and found this two IC=B4s > - LA7555 8N9 > - 8B4 Y HA11466S > Does anybody know them and send me some info ? Where could I download the > datasheets ? I can=B4t make a search cause I don=B4t have Internet > Thanks a lot > Javier > PD is the GMS 90C51 a 8051 clone ? > =20 -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics