As an Amazon Associate, we earn from qualifying purchases. DS78LS120J - National Semiconductor National Semiconductor . DS78LS120J Gallery Attributes Brand name, Manufacturer name, ManufacturerNational Semiconductor Extra Product NameDS78LS120J - National Semiconductor moq, multiple1 MPN, SKUDS78LS120J qtyInStock0 snippetDS78LS120J In-Stock. Request a quote for the part number# DS78LS120J. Call 877-240-8595 to order. Same day shipping on in-stock parts. Distributor offers SellerSKUMOQIn stockMultiplePrices 4 Star ElectronicsDS78LS120J11 1SourceDS78LS120J11