@tubetime not a datasheet, but there’s a description of it on page 84 of the Feb 1982 issue of Radio Electronics magazine: https://www.worldradiohistory.com/Archive-Radio-Electronics/80s/1982/Radio-Electronics-1982-02.pdf

@tubetime It is a monolithic SCR array. The datasheet is in the 1982 Sprague databook here ... https://www.rsp-italy.it/Electronics/Databooks/Sprague/_contents/Sprague%20IND502%20Integrated%20Circuits%201982.pdf

@tubetime Page 84 of this PDF is not already found :

https://www.worldradiohistory.com/Archive-Radio-Electronics/80s/1982/Radio-Electronics-1982-02.pdf