Doubt you can find a "data sheet" for the obsolete.
Add a "RH" in front &"GEZZ" suffix at the end of that number. Common format of Sharp part numbers for IC's.
RH-IX475GEZZ is an obscure 160 pin surface mount A/V decoder that was used on early generation DVD players. There is a manual for model DV550U at encompass which has some information about that decoder.( IC601 page 39) https://www.electro-tech-online.com/custompdfs/2012/08/DV550U.pdf