Mitsubishi Electric 
 
M50110CP 
 
CMOS
16 pin plastic DIL 
 
Function: PCM Transmitter 
 
A long time ago these were used by Plessey Australia for remote control purposes
Stored and supplied in ESD material
I should have a datasheet here somewhere if required (supplied by request)
            Tested as described in the description
This item is not returnable, UNLESS not as described