[sdiy] 4 bit binary to 7 segment hex decoder?

[Synthusiast]

jbv wrote:
> 
> > Harry/Terry,
> >
> > > I remember seeing them ages ago.
> >
> > I do too, though I can remember part number..
> >
> 
> In the TTL family :    9368
> 
> JB
> 

Another TTL entry: 7447

Martijn