Based on your request for the datasheet, here is the information and download details. Emuos.v1.0
It appears there may be a typo in the part number you provided, as "SN51DP" does not map to a widely known commercial component. The most likely match is the (a Differential Line Driver) or the SN51 series of Infrared Remote Control Receiver modules. Sexual Chronicles Of A French Family 2012 Dvd Link - I Think