{{tag>collection_mcmaster vendor_nat_semi type_logic type_logic/discrete type_logic/discrete/74xx year_unknown foundry_unknown tech_unknown}}


====== Package ======

{{:mcmaster:nat_semi:dm7490n:package_top.jpg?300|}}
{{:mcmaster:nat_semi:dm7490n:package_bottom.jpg?300|}}


Top:
    NS 439
    DM7490ON

Bottom (some chips, most were blank):
  9C9
  C9C

====== Die ======

{{:mcmaster:nat_semi:dm7490n:mit5x.jpg?300|}}