On Tue, Apr 6, 2010 at 2:41 PM, dwight elvey <dkelvey at hotmail.com> wrote:
  Hi Joe
 ?The 74LS38 may not have the current out needed. It may have
 needed a 7438. As I recall, these have a stronger drive ( I could
 be wrong here but that is what I remember ). 
The 7438 does have a stronger current drive than a 74LS38, but I do
not recall if the A1010 needs that or not.
-ethan