As an Amazon Associate, we earn from qualifying purchases. NSC DM74S00N NSC (National Semiconductor) . 644 / B4 / K150 Gallery Attributes Brand name, Manufacturer name, ManufacturerNSC (National Semiconductor) ConditionNEW Extra Product Name, manPlusMpnNSC DM74S00N lineItemMin25.00 moq7 MPN, SKU644 / B4 / K150 multiple, tierMinQty11 qtyInStock1991 tierPrice14.00 Distributor offers SellerSKUMOQIn stockMultiplePrices wellgainelectronics.com644 / B4 / K1507199111 @ $4.00