As an Amazon Associate, we earn from qualifying purchases. DM74LS503N Integrated Circuit - CASE: DIP16 MAKE: NSC NSC . DM74LS503N Attributes Brand name, Manufacturer name, ManufacturerNSC Attribute00DIP16 Attribute01Integrated Circuit Attribute02National Semiconductor - NSC Attribute03414038 AttributeKey00Case AttributeKey01Type AttributeKey02Manufacturer AttributeKey03SKU keywordsBuy DM74LS503N, DM74LS503N, DM74LS503N Integrated Circuit moq, multiple1 MPN, SKUDM74LS503N originalCurrency{'currency': 'GBP'} qtyInStock0 snippetDM74LS503N Integrated Circuit - CASE: DIP16 MAKE: NSC Distributor offers SellerSKUMOQIn stockMultiplePrices Little DiodeDM74LS503N11