{{tag>collection_mcmaster vendor_sprague type_logic type_logic/discrete type_logic/discrete/74xx year_unknown foundry_unknown tech_unknown}} ====== Package ====== {{:mcmaster:sprague:7442:package_top.jpg?300|}} {{:mcmaster:sprague:7442:package_bottom.jpg?300|}} Top: SPRAGUE 7448 US7442A Bottom (some chips, most were blank): 7442 ====== Die ====== Believe there were 2 large and 1 small. Also something funny happened where it appears they got stripped to active area during decapsulation. It may have been due to overheating a PTFE beaker as a result of the carrier island "burn". ===== Small ===== {{:mcmaster:sprague:7442:small:mit5x.jpg?300|}} ===== Big ===== {{:mcmaster:sprague:7442:big:mit5x.jpg?300|}}